508 Search 4203 Found
| Totem | First Name | Last Name | Gender | Home Town | State | Country | Nationality | Event | Age | Division | Status | Time | Note | Number of 508 Finishes | HOF |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Robert | Beeson | M | Indianapolis | Indiana | USA | USA | 1983 John Marino Open | 28 | Solo | FIN | 57:14:00 | 1 | |||
| William | Debreau | M | Garden Grove | California | USA | USA | 1983 John Marino Open | 46 | Solo | FIN | 59:14:00 | Oldest Finisher | 1 | ||
| Gary | Delnero | M | Kansas City | Missouri | USA | USA | 1983 John Marino Open | 26 | Solo | FIN | 67:53:00 | 1 | |||
| Gary | Felkner | M | Kansas City | Missouri | USA | USA | 1983 John Marino Open | 21 | Solo | FIN | 77:26:00 | Youngest Finisher | 2 | ||
| Kitty | Goursolle | F | Sacramento | California | USA | USA | 1983 John Marino Open | 27 | Solo | FIN | 63:59:00 | 2 | |||
| Bernie | Hansen | M | Merritt Island | Florida | USA | USA | 1983 John Marino Open | 25 | Solo | FIN | 60:22:00 | 1 | |||
| Ron | Heyer | M | Huntington Beach | California | USA | USA | 1983 John Marino Open | 25 | Solo | FIN | 59:15:00 | 1 | |||
| Steve | Krueger | M | Kansas City | Missouri | USA | USA | 1983 John Marino Open | 33 | Solo | FIN | 79:30:00 | 2 | |||
| Merlyn | Midstokke | M | Los Angeles | California | USA | USA | 1983 John Marino Open | 52 | Solo | FIN | 74:22:00 | 1 | |||
| Amy | Pauly | F | Mountain View | California | USA | USA | 1983 John Marino Open | 26 | Solo Tandem | FIN | 79:53:00 | 1 | |||
| Bruce | Pauly | M | Mountain View | California | USA | USA | 1983 John Marino Open | 25 | Solo Tandem | FIN | 79:53:00 | 1 | |||
| Pete | Penseyres | M | Fallbrook | California | USA | USA | 1983 John Marino Open | 40 | Solo | FIN | 55:55:00 | 3 | |||
| Fitzhugh | Rollins, Jr. | M | Santa Ana | California | USA | USA | 1983 John Marino Open | 47 | Solo | FIN | 78:11:00 | 1 | |||
| Hal | Schatz | M | Lakewood | Colorado | USA | USA | 1983 John Marino Open | 37 | Solo | FIN | 66:58:00 | 1 | |||
| John | Silker | M | Woodstock | Illinois | USA | USA | 1983 John Marino Open | 31 | Solo | FIN | 69:08:00 | 1 | |||
| Chuck | Spencer | M | Bishop | California | USA | USA | 1983 John Marino Open | 55 | Solo | FIN | 80:24:00 | 1 | |||
| Mark | Bergstrom | M | Minneapolis | Minnesota | USA | USA | 1984 John Marino Open | 20 | Solo | FIN | 62:51:00 | 1 | |||
| Mike | Blue | M | Mercer Island | Washington | USA | USA | 1984 John Marino Open | 23 | Solo | FIN | 75:48:00 | 1 | |||
| Dennis | Bock | M | Orange | California | USA | USA | 1984 John Marino Open | 36 | Solo | FIN | 59:53:00 | 1 | |||
| Rick | Bozeat | M | San Jose | California | USA | USA | 1984 John Marino Open | 31 | Solo | FIN | 54:09:00 | 1 | |||
| Jim | DeGraffenreid | M | Downey | California | USA | USA | 1984 John Marino Open | 22 | Solo | FIN | 78:06:00 | 2 | |||
| Jim | Elliott | M | Phoenix | Arizona | USA | USA | 1984 John Marino Open | 28 | Solo | FIN | 57:43:00 | 1 | |||
| Gary | Felkner | M | Kansas City | Missouri | USA | USA | 1984 John Marino Open | 22 | Solo | FIN | 73:25:35 | 2 | |||
| Scott | Fortner | M | El Monte | California | USA | USA | 1984 John Marino Open | 17 | Solo | FIN | 56:27:00 | Youngest Finisher | 2 | ||
| Robert | Grossman | M | New York City | New York | USA | USA | 1984 John Marino Open | 29 | Solo | FIN | 68:16:00 | 1 | |||
| Booth | Hartley | M | Glendale | California | USA | USA | 1984 John Marino Open | 42 | Solo | FIN | 77:34:00 | Oldest Finisher | 1 | ||
| Shelby | Hayden-Clifton | F | Greensboro | North Carolina | USA | USA | 1984 John Marino Open | 24 | Solo | FIN | 73:29:00 | 2 | |||
| Pat | Hines | F | Santa Monica | California | USA | USA | 1984 John Marino Open | 27 | Solo | FIN | 76:58:00 | 1 | |||
| Steve | Khachadoorian | M | Huntington Beach | California | USA | USA | 1984 John Marino Open | 25 | Solo | FIN | 63:05:00 | 2 | |||
| Tom | Knoerzer | M | Rochelle | Illinois | USA | USA | 1984 John Marino Open | 20 | Solo | FIN | 62:25:00 | 1 | |||
| Steve | Krueger | M | Kansas City | Missouri | USA | USA | 1984 John Marino Open | 35 | Solo | FIN | 65:01:00 | 2 | |||
| Brian | Lambert | M | NA | New Zealand | New Zealand | 1984 John Marino Open | 32 | Solo | FIN | 54:38:00 | 1 | ||||
| Elaine | Mariolle | F | Berkeley | California | USA | USA | 1984 John Marino Open | 26 | Solo | FIN | 73:30:00 | 2 | |||
| Art | Patten | M | Lundington | Michigan | USA | USA | 1984 John Marino Open | 31 | Solo | FIN | 72:00:00 | 1 | |||
| Wayne | Phillips | M | Vanouver | British Columbia | Canada | Canada | 1984 John Marino Open | 34 | Solo | FIN | 59:05:00 | 1 | |||
| Steve | Rivitt | M | NA | Oregon | USA | USA | 1984 John Marino Open | 25 | Solo | FIN | 73:25:36 | 1 | |||
| Will | Rogers | M | Boulder | Colorado | USA | USA | 1984 John Marino Open | 30 | Solo | FIN | 75:05:00 | 1 | |||
| Jon | Royer | M | Elgin | Illinois | USA | USA | 1984 John Marino Open | 23 | Solo | FIN | 63:05:00 | 1 | |||
| Mark | Straley | M | Garden Grove | California | USA | USA | 1984 John Marino Open | 26 | Solo | FIN | 62:14:00 | 3 | |||
| Rob | Templin | M | San Diego | California | USA | USA | 1984 John Marino Open | 28 | Solo | FIN | 60:34:00 | 2 | |||
| Gary | Verrill | M | Kent | Washington | USA | USA | 1984 John Marino Open | 27 | Solo | FIN | 78:10:00 | 2 | |||
| Wyatt | Wood | M | Kensington | California | USA | USA | 1984 John Marino Open | 28 | Solo | FIN | 76:44:00 | 2 | |||
| Matt | Beerer | M | Huntington Beach | California | USA | USA | May 1985 John Marino Open West | 22 | Solo | FIN | 54:32:00 | 2 | |||
| Tally | Chapman | M | Rapid City | South Dakota | USA | USA | May 1985 John Marino Open West | 37 | Solo | FIN | 55:18:00 | 1 | |||
| Marvin | Christy | M | Tucson | Arizona | USA | USA | May 1985 John Marino Open West | 26 | Solo | FIN | 55:02:00 | 1 | |||
| Russell | De Fields | M | Yakima | Washington | USA | USA | May 1985 John Marino Open West | N/A | Solo | FIN | 67:42:00 | 1 | |||
| Jim | DeGraffenreid | M | Long Beach | California | USA | USA | May 1985 John Marino Open West | 23 | Solo | FIN | 56:44:00 | 2 | |||
| Curt | Eury | M | Huntington Beach | California | USA | USA | May 1985 John Marino Open West | 36 | Solo | FIN | 55:40:00 | 3 | |||
| Shelby | Hayden-Clifton | F | Greensboro | North Carolina | USA | USA | May 1985 John Marino Open West | 25 | Solo | FIN | 55:45:00 | 2 | |||
| David | Hunter-Inman | M | Blythe | California | USA | USA | May 1985 John Marino Open West | N/A | Solo | FIN | 69:21:00 | 1 | |||
| Steve | Khachadoorian | M | Huntington Beach | California | USA | USA | May 1985 John Marino Open West | 25 | Solo | FIN | 44:46:00 | 2 | |||
| David | Kiefer | M | Sterling | Ohio | USA | USA | May 1985 John Marino Open West | N/A | Solo | FIN | 73:10:00 | Full-Leg Amputee | 1 | ||
| Rob | Kish | M | Daytona Beach | Florida | USA | USA | May 1985 John Marino Open West | 30 | Solo | FIN | 51:05:00 | 1 | |||
| Jack | Lundquist | M | Huntington Beach | California | USA | USA | May 1985 John Marino Open West | N/A | Solo | FIN | 61:42:00 | 1 | |||
| Jim | Meskimen | M | Truckee | California | USA | USA | May 1985 John Marino Open West | 41 | Solo | FIN | 55:43:00 | 1 | |||
| Pete | Penseyres | M | San Juan Capistrano | California | USA | USA | May 1985 John Marino Open West | 37 | Solo | FIN | 50:56:00 | Below-Knee Amputee | 3 | ||
| Danny | Quick | M | Leamington | Ontario | Canada | Canada | May 1985 John Marino Open West | N/A | Solo | FIN | 65:17:00 | 1 | |||
| Mark | Straley | M | Garden Grove | California | USA | USA | May 1985 John Marino Open West | 27 | Solo | FIN | 63:59:00 | 3 | |||
| Rob | Templin | M | San Diego | California | USA | USA | May 1985 John Marino Open West | 29 | Solo | FIN | 44:25:00 | 2 | |||
| Mike | Trail | M | Colville | Washington | USA | USA | May 1985 John Marino Open West | 41 | Solo | FIN | 54:01:00 | 1 | |||
| Danny | Wesolowski | M | Isla Vista | California | USA | USA | May 1985 John Marino Open West | N/A | Solo | FIN | 68:08:00 | 3 | |||
| Bill | Weston | M | Fullerton | California | USA | USA | May 1985 John Marino Open West | N/A | Solo | FIN | 64:45:00 | 1 | |||
| Wyatt | Wood | M | Kensington | California | USA | USA | May 1985 John Marino Open West | 29 | Solo | FIN | 49:05:00 | 2 | |||
| Matt | Beerer | M | Garden Grove | California | USA | USA | September 1985 John Marino Open West | 23 | Solo | FIN | 47:52:00 | 2 | |||
| Ralph | Boehm | M | Kansas City | Kansas | USA | USA | September 1985 John Marino Open West | N/A | Solo | FIN | 61:15:00 | 1 | |||
| David | Bogdan | M | Pyallup | Washington | USA | USA | September 1985 John Marino Open West | 24 | Solo | FIN | 63:55:00 | 2 | |||
| Theresa | Collins | F | Davis | California | USA | USA | September 1985 John Marino Open West | 22 | Solo Tandem | FIN | 55:28:00 | 1 | |||
| Frank | Conner | M | Newport Beach | California | USA | USA | September 1985 John Marino Open West | 33 | Solo | FIN | 57:54:00 | 1 | |||
| Gene | East | M | White City | Oregon | USA | USA | September 1985 John Marino Open West | 38 | Solo | FIN | 63:06:00 | 1 | |||
| David | Elliot | M | Hampton | New Hampshire | USA | USA | September 1985 John Marino Open West | 27 | Solo | FIN | 61:25:00 | 1 | |||
| Curt | Eury | M | Huntington Beach | California | USA | USA | September 1985 John Marino Open West | 36 | Solo | FIN | 56:38:00 | 3 | |||
| Scott | Fortner | M | Whittier | California | USA | USA | September 1985 John Marino Open West | 19 | Solo | FIN | 46:30:00 | 2 | |||
| Deb | Haas | F | Columbus | Ohio | USA | USA | September 1985 John Marino Open West | 22 | Solo | FIN | 71:20:00 | 1 | |||
| Matt | Kindred | M | St. George | Utah | USA | USA | September 1985 John Marino Open West | 44 | Solo | FIN | 47:25:00 | 1 | |||
| Gary | Meyer | M | Fullerton | California | USA | USA | September 1985 John Marino Open West | 24 | Solo | FIN | 69:02:00 | 2 | |||
| Bruce | Rabbe | M | Davis | California | USA | USA | September 1985 John Marino Open West | 22 | Solo Tandem | FIN | 55:28:00 | 1 | |||
| Jorge | Saavedra | M | Huntington Beach | California | USA | USA | September 1985 John Marino Open West | 41 | Solo | FIN | 67:46:00 | 1 | |||
| Mark | Straley | M | Garden Grove | California | USA | USA | September 1985 John Marino Open West | 25 | Solo | FIN | 62:25:00 | 3 | |||
| Richard | Treese | M | Santa Barbara | California | USA | USA | September 1985 John Marino Open West | 31 | Solo | FIN | 65:09:00 | 3 | |||
| Gary | Verrill | M | Kent | Washington | USA | USA | September 1985 John Marino Open West | 29 | Solo | FIN | 52:05:00 | 2 | |||
| John | Watt | M | Anaheim | California | USA | USA | September 1985 John Marino Open West | 39 | Solo | FIN | 62:48:00 | 2 | |||
| Danny | Wesolowski | M | Isla Vista | California | USA | USA | September 1985 John Marino Open West | 32 | Solo | FIN | 62:34:00 | 3 | |||
| Robert | Benorden | M | Seabrook | Texas | USA | USA | April 1986 John Marino Open West | 23 | Solo | FIN | 34:54:00 | 1 | |||
| Jim | Cerrato | M | Garden Grove | California | USA | USA | April 1986 John Marino Open West | 46 | Solo | FIN | 42:01:00 | 1 | |||
| Eric | Clifton | M | Greensboro | North Carolina | USA | USA | April 1986 John Marino Open West | 27 | Solo | FIN | 34:12:00 | 1 | |||
| Curt | Eury | M | Huntington Beach | California | USA | USA | April 1986 John Marino Open West | 37 | Solo | FIN | 37:57:00 | 3 | |||
| Gregory | Ewing | M | Corona Del Mar | California | USA | USA | April 1986 John Marino Open West | 30 | Solo | FIN | 48:16:00 | 2 | |||
| Jeffrey | Flocker | M | Ft. Lauderdale | Florida | USA | USA | April 1986 John Marino Open West | 30 | Solo | FIN | 35:19:00 | 1 | |||
| Robert | Fourney | M | Evergreen | Colorado | USA | USA | April 1986 John Marino Open West | 28 | Solo | FIN | 33:38:00 | 3 | |||
| Georges | Helaouet | M | St. Eust | PQ | Canada | Canada | April 1986 John Marino Open West | 58 | Solo | FIN | 32:50:00 | Oldest Finisher | 1 | ||
| Kevin | Hugins | M | Durango | Colorado | USA | USA | April 1986 John Marino Open West | 16 | Solo | FIN | 36:04:00 | Youngest Finisher | 1 | ||
| Gary | McIlrath | M | Hayward | California | USA | USA | April 1986 John Marino Open West | 32 | Solo | FIN | 49:35:00 | 2 | |||
| David | Moore | M | Orange | California | USA | USA | April 1986 John Marino Open West | 29 | Solo | FIN | 41:05:00 | 3 | |||
| Joe | Moore | M | La Mesa | California | USA | USA | April 1986 John Marino Open West | 40 | Solo | FIN | 49:46:00 | 1 | |||
| Casey | Patterson | F | Topanga | California | USA | USA | April 1986 John Marino Open West | 42 | Solo | FIN | 43:31:00 | 1 | |||
| Mark | Streley | M | Garden Grove | California | USA | USA | April 1986 John Marino Open West | 27 | Solo | FIN | 40:59:00 | 1 | |||
| Danny | Wesolowski | M | Isla Vista | California | USA | USA | April 1986 John Marino Open West | 32 | Solo | FIN | 36:59:00 | 3 | |||
| Joe | Whitmore | M | Niwot | Colorado | USA | USA | April 1986 John Marino Open West | 25 | Solo | FIN | 47:16:00 | 1 | |||
| Alex | Bekkerman | M | Brooklyn | New York | USA | USA | September 1986 John Marino Open West | 32 | Solo | FIN | 38:39:00 | 1 | |||
| John | Cadigan | M | Sedona | Arizona | USA | USA | September 1986 John Marino Open West | 27 | Solo | FIN | 34:08:00 | 1 | |||
| Cheryl | Campbell-Richardson | F | Whittier | California | USA | USA | September 1986 John Marino Open West | N/A | Solo | FIN | 46:05:00 | 1 | |||
| John | Cavanaugh | M | Escondido | California | USA | USA | September 1986 John Marino Open West | 39 | Solo | FIN | 30:23:00 | 2 | |||
| Les | Drake | M | Carpinteria | California | USA | USA | September 1986 John Marino Open West | 30 | Solo | FIN | 33:06:00 | 3 | |||
| Robert | Fourney | M | Evergreen | Colorado | USA | USA | September 1986 John Marino Open West | 29 | Solo | FIN | 30:05:00 | 3 | |||
| Johnny | G | M | Beverly Hills | California | USA | USA | September 1986 John Marino Open West | 30 | Solo | FIN | 31:27:00 | 2 | |||
| Albert | Hasson | M | Santa Maria | California | USA | USA | September 1986 John Marino Open West | 32 | Solo | FIN | 48:28:00 | 2 | |||
| Harry | Houpis | M | Palmdale | California | USA | USA | September 1986 John Marino Open West | 32 | Solo | FIN | 42:40:00 | 1 | |||
| Ron | Lajoie | M | Oceanside | California | USA | USA | September 1986 John Marino Open West | 28 | Solo | FIN | 37:17:00 | 1 | |||
| Lance | Machovsky | M | La Habra | California | USA | USA | September 1986 John Marino Open West | 26 | Solo | FIN | 41:37:00 | 1 | |||
| Gary | McIlrath | M | Hayward | California | USA | USA | September 1986 John Marino Open West | 32 | Solo | FIN | 49:54:00 | 2 | |||
| Gary | Meyer | M | Fullerton | California | USA | USA | September 1986 John Marino Open West | 25 | Solo | FIN | 38:29:00 | 2 | |||
| Cherie | Moore | F | Palm Springs | California | USA | USA | September 1986 John Marino Open West | 23 | Solo | FIN | 45:42:00 | 1 | |||
| Gale | Schaub | M | Pasadena | California | USA | USA | September 1986 John Marino Open West | 37 | Solo | FIN | 38:08:00 | 1 | |||
| Scott | Terryberry | M | Berkeley | California | USA | USA | September 1986 John Marino Open West | 32 | Solo | FIN | 34:00:00 | 1 | |||
| Richard | Treese | M | Santa Barbara | California | USA | USA | September 1986 John Marino Open West | 32 | Solo | FIN | 36:24:00 | 3 | |||
| David | Walls | M | New York | New York | USA | USA | September 1986 John Marino Open West | 42 | Solo | FIN | 34:46:00 | Oldest Finisher | 1 | ||
| John | Watt | M | Anaheim | California | USA | USA | September 1986 John Marino Open West | 41 | Solo | FIN | 39:19:00 | 2 | |||
| David | Bogdan | M | Tacoma | Washington | USA | USA | April 1987 RAAM Open West | 25 | Solo | FIN | 34:46:00 | 2 | |||
| Patti | Brehler | F | Clawson | Michigan | USA | USA | April 1987 RAAM Open West | 31 | Solo | FIN | 52:11:00 | 1 | |||
| Tom | Cooper | M | Raleigh | North Carolina | USA | USA | April 1987 RAAM Open West | N/A | Solo | FIN | 42:15:00 | 1 | |||
| Gregory | Ewing | M | Anaheim | California | USA | USA | April 1987 RAAM Open West | 31 | Solo | FIN | 46:45:00 | 2 | |||
| Steve | Hatfield | M | Boulder | Colorado | USA | USA | April 1987 RAAM Open West | 34 | Solo | FIN | 49:02:00 | 1 | |||
| Bob | Reynolds | M | Arcadia | California | USA | USA | April 1987 RAAM Open West | 26 | Solo | FIN | 40:15:00 | Rode a mountain bike | 1 | ||
| Bob | Smith | M | Grand Junction | Colorado | USA | USA | April 1987 RAAM Open West | 34 | Solo | FIN | 34:32:00 | Not the latter 508 Bob Smith | 1 | ||
| Paul | Solon | M | Sausalito | California | USA | USA | April 1987 RAAM Open West | 33 | Solo | FIN | 33:01:00 | 1 | |||
| Bill | Woodruff | M | San Diego | California | USA | USA | April 1987 RAAM Open West | 37 | Solo | FIN | 37:30:00 | 1 | |||
| Mark | Aimerito | M | Lakewood | California | USA | USA | October 1987 RAAM Open West | 35 | Solo | FIN | 37:32:00 | 1 | |||
| Karen | Anderson | F | Fullerton | California | USA | USA | October 1987 RAAM Open West | 24 | Solo | FIN | 41:03:00 | 1 | |||
| John | Burge | M | Sacramento | California | USA | USA | October 1987 RAAM Open West | 32 | Solo | FIN | 37:30:00 | 1 | |||
| Tom | Evans | M | Walnut Creek | California | USA | USA | October 1987 RAAM Open West | 20 | Solo | FIN | 41:00:00 | Youngest Finisher | 1 | ||
| Kirk | Freeman | M | Newhall | California | USA | USA | October 1987 RAAM Open West | 34 | Solo | FIN | 34:17:00 | 1 | |||
| Ed | Hensley | M | Sacramento | California | USA | USA | October 1987 RAAM Open West | 43 | Solo | FIN | 48:00:00 | Oldest Finisher | 1 | ||
| Tony | Johndrow | M | South Gate | California | USA | USA | October 1987 RAAM Open West | 30 | Solo | FIN | 36:30:00 | 1 | |||
| Blair | Narog | M | Palo Alto | California | USA | USA | October 1987 RAAM Open West | 28 | Solo | FIN | 46:29:00 | 1 | |||
| Gary | Selner | M | Otis Orchards | Washington | USA | USA | October 1987 RAAM Open West | 35 | Solo | FIN | 50:47:00 | 1 | |||
| Tim | Barnes | M | San Diego | California | USA | USA | April 1988 RAAM Open West | 29 | Solo | FIN | 47:24:00 | 2 | |||
| Dwight | Callaway | M | Denver | North Carolina | USA | USA | April 1988 RAAM Open West | 41 | Solo | FIN | 30:51:00 | 1 | |||
| Tom | Fanning | M | Jacksonville | Florida | USA | USA | April 1988 RAAM Open West | 27 | Solo | FIN | 30:07:00 | 1 | |||
| Robert | Fourney | M | Evergreen | Colorado | USA | USA | April 1988 RAAM Open West | 30 | Solo | FIN | 28:26:00 | 3 | |||
| Gary | Glasband | M | Long Beach | California | USA | USA | April 1988 RAAM Open West | 29 | Solo | FIN | 34:54:00 | 2 | |||
| Ed | Levinson | M | Oakland | California | USA | USA | April 1988 RAAM Open West | 31 | Solo | FIN | 31:18:00 | 2 | |||
| John | Seivert | M | Sacramento | California | USA | USA | April 1988 RAAM Open West | 27 | Solo | FIN | 40:24:00 | 1 | |||
| Frank | Smith | M | Brandon | Mississippi | USA | USA | April 1988 RAAM Open West | 43 | Solo | FIN | 37:38:00 | 2 | |||
| Steve | Sussman | M | Pearland | Texas | USA | USA | April 1988 RAAM Open West | 36 | Solo | FIN | 36:43:00 | 1 | |||
| David | Tyson | M | Ludlow | Vermont | USA | USA | April 1988 RAAM Open West | 31 | Solo | FIN | 35:07:00 | 1 | |||
| Pat | Ward | M | San Jose | California | USA | USA | April 1988 RAAM Open West | 29 | Solo | FIN | 32:42:00 | 1 | |||
| Alice | Watt | F | Anaheim | California | USA | USA | April 1988 RAAM Open West | 40 | Solo | FIN | 34:44:00 | 1 | |||
| Charlie | Wilson | M | San Diego | California | USA | USA | April 1988 RAAM Open West | 28 | Solo | FIN | 37:36:00 | 2 | |||
| Terry | Wilson | M | Pittsburgh | Pennsylvania | USA | USA | April 1988 RAAM Open West | 39 | Solo | FIN | 37:23:00 | 2 | |||
| Warren | Woodward | M | Chadron | Nebraska | USA | USA | April 1988 RAAM Open West | 15 | Solo | FIN | 34:21:00 | Youngest Finisher | 1 | ||
| Kevin | Zelenka | M | Brookfield | Illinois | USA | USA | April 1988 RAAM Open West | 31 | Solo | FIN | 28:42:00 | 1 | |||
| Tim | Barnes | M | La Jolla | California | USA | USA | October 1988 RAAM Open West | 29 | Solo | FIN | 38:01:00 | 2 | |||
| Johnny | G | M | Beverly Hills | California | USA | USA | October 1988 RAAM Open West | 32 | Solo | FIN | 29:46:00 | 2 | |||
| Gary | Glasband | M | Long Beach | California | USA | USA | October 1988 RAAM Open West | 29 | Solo | FIN | 33:58:00 | 2 | |||
| Albert | Hasson | M | Santa Maria | California | USA | USA | October 1988 RAAM Open West | 34 | Solo | FIN | 36:53:00 | 2 | |||
| Russ | Lawrence | M | Spokane | Washington | USA | USA | October 1988 RAAM Open West | 29 | Solo | FIN | 43:24:00 | 1 | |||
| Alan | MacDonald | M | Westminster | California | USA | USA | October 1988 RAAM Open West | N/A | Solo | FIN | 51:45:00 | 1 | |||
| Tim | McMurray | M | St. Catharines | Ontario | Canada | Canada | October 1988 RAAM Open West | 22 | Solo | FIN | 35:03:00 | 1 | |||
| Brian | Rapp | M | Costa Mesa | California | USA | USA | October 1988 RAAM Open West | 32 | Solo | FIN | 38:22:00 | 1 | |||
| Dwight | Sebald | M | Lafayette | Colorado | USA | USA | October 1988 RAAM Open West | 28 | Solo | FIN | 36:19:00 | 2 | |||
| N/A | Aikman | M | USA | USA | 1989 April RAAM Open West | N/A | Solo | DNF | |||||||
| Dwight | Callaway | M | USA | USA | 1989 April RAAM Open West | N/A | Solo | DNF | 1 | ||||||
| John | Cavanaugh | M | Escondido | California | USA | USA | 1989 April RAAM Open West | 42 | Solo | FIN | 33:36:00 | 2 | |||
| JT | Harden | M | USA | USA | 1989 April RAAM Open West | N/A | Solo | DNF | |||||||
| N/A | Kofler | M | USA | USA | 1989 April RAAM Open West | N/A | Solo | DNF | |||||||
| Ed | Kross | M | USA | USA | 1989 April RAAM Open West | N/A | Solo | DNF | 1 | ||||||
| F. Stephen | Lynch | M | USA | USA | 1989 April RAAM Open West | N/A | Solo | DNF | |||||||
| Alan | MacDonald | M | California | USA | USA | 1989 April RAAM Open West | N/A | Solo | DNF | 1 | |||||
| Brock | Nyquist | M | USA | USA | 1989 April RAAM Open West | N/A | Solo | DNF | |||||||
| Dan | Scrivner | M | Menlo Park | California | USA | USA | 1989 April RAAM Open West | 31 | Solo | FIN | 32:40:00 | 1 | |||
| Dwight | Sebald | M | USA | USA | 1989 April RAAM Open West | 36 | Solo | DNF | 2 | ||||||
| Jonathan | Seutter | M | Topanga | California | USA | USA | 1989 April RAAM Open West | 31 | Solo | FIN | 41:31:00 | 1 | |||
| Rick | Stark | M | California | USA | USA | 1989 April RAAM Open West | 31 | Solo | DNF | 2 | |||||
| Walter | Swiacki | M | USA | USA | 1989 April RAAM Open West | N/A | Solo | DNF | |||||||
| Glen | Tebo | M | California | USA | USA | 1989 April RAAM Open West | 35 | Solo | DNF | 1 | |||||
| N/A | Tomage | M | USA | USA | 1989 April RAAM Open West | N/A | Solo | DNF | |||||||
| James | Trowbridge | M | El Segundo | California | USA | USA | 1989 April RAAM Open West | 41 | Solo | FIN | 41:31:00 | 1 | |||
| Terry | Wilson | M | Indianapolis | Indiana | USA | USA | 1989 April RAAM Open West | 40 | Solo | FIN | 45:59:00 | 2 | |||
| Marion | Fryar | M | USA | USA | 1989 June RAAM Open West | N/A | Solo | DNF | |||||||
| N/A | Mastoras | M | USA | USA | 1989 June RAAM Open West | N/A | Solo | DNF | |||||||
| Patricia | Raychevich | F | Gardena | California | USA | USA | 1989 June RAAM Open West | 25 | Solo | FIN | 49:14:00 | Time Limit was 51 hrs | 1 | ||
| Tom | Seabourne | M | Houston | Texas | USA | USA | 1989 June RAAM Open West | 33 | Solo | FIN | 37:07:00 | 1 | |||
| James | Barhitte | M | Vancouver | Washington | USA | USA | 1989 October RAAM Open West | 41 | Solo | FIN | 50:56:00 | Time Limit was 51 hrs | 1 | ||
| Felix | Battig | M | Switzerland | Switzerland | 1989 October RAAM Open West | 39 | Solo | FIN | 32:41:00 | 1 | |||||
| Leslie | Campbell | M | California | USA | USA | 1989 October RAAM Open West | 44 | Solo | DNF | 2 | |||||
| Gordon | Chase | M | USA | USA | 1989 October RAAM Open West | N/A | Solo | DNF | |||||||
| Bill | Donner | M | USA | USA | 1989 October RAAM Open West | N/A | Solo | DNF | |||||||
| Kathy | Dragani | F | USA | USA | 1989 October RAAM Open West | N/A | Solo | DNF | |||||||
| Susan | France | F | USA | USA | 1989 October RAAM Open West | 33 | Solo | DNF | |||||||
| Marion | Fryar | M | USA | USA | 1989 October RAAM Open West | N/A | Solo | DNF | |||||||
| Terri | Garrison | F | USA | USA | 1989 October RAAM Open West | N/A | Solo | DNF | |||||||
| JT | Harden | M | USA | USA | 1989 October RAAM Open West | N/A | Solo | DNF | |||||||
| Craig | Holmes | M | USA | USA | 1989 October RAAM Open West | N/A | Solo | DNF | |||||||
| D | Holmes | M | USA | USA | 1989 October RAAM Open West | N/A | Solo | DNF | |||||||
| Ed | Levinson | M | Oakland | California | USA | USA | 1989 October RAAM Open West | 32 | Solo | FIN | 34:00:00 | 2 | |||
| Roger | Nelson | M | Dansville | Michigan | USA | USA | 1989 October RAAM Open West | 41 | Solo | FIN | 46:29:00 | 1 | |||
| Dwight | Sebald | M | Lafayette | Colorado | USA | USA | 1989 October RAAM Open West | 36 | Solo | FIN | 37:09:00 | 2nd solo finish | 2 | ||
| Rick | Stark | M | Lawndale | California | USA | USA | 1989 October RAAM Open West | 31 | Solo | FIN | 36:24:00 | 2 | |||
| Laura | Stern | F | Menlo | California | USA | USA | 1989 October RAAM Open West | 28 | Solo | FIN | 32:48:00 | 1 | |||
| Glen | Tebo | M | California | USA | USA | 1989 October RAAM Open West | 35 | Solo | DNF | 1 | |||||
| Richard | Treese | M | Santa Barbara | California | USA | USA | 1989 October RAAM Open West | 35 | Solo | FIN | 34:20:00 | 3 | |||
| John | Turner | M | Norwalk | California | USA | USA | 1989 October RAAM Open West | 36 | Solo | FIN | 30:59:00 | 1 | |||
| Ted | Zimbleman | M | USA | USA | 1989 October RAAM Open West | N/A | Solo | DNF | |||||||
| Chuck | Eidenschink | M | USA | USA | 1990 April RAAM Open West | 37 | Solo | DNF | 1 | ||||||
| Craig | Holmes | M | USA | USA | 1990 April RAAM Open West | N/A | Solo | DNF | |||||||
| Alan | MacDonald | M | California | USA | USA | 1990 April RAAM Open West | N/A | Solo | DQ | Disqualified between TS#2 and TS#3 | 1 | ||||
| Larry | Sherlock | M | USA | USA | 1990 April RAAM Open West | N/A | Solo | DNF | |||||||
| Rick | Stark | M | Lawndale | California | USA | USA | 1990 April RAAM Open West | 32 | Solo | FIN | 40:30:00 | 2nd solo finish | 2 | ||
| John | Stoneman | M | Bozeman | Montana | USA | USA | 1990 April RAAM Open West | 27 | Solo | FIN | 36:31:00 | 1 | |||
| Walter | Swiacki | M | USA | USA | 1990 April RAAM Open West | N/A | Solo | DNF | |||||||
| Glen | Tebo | M | Montclair | California | USA | USA | 1990 April RAAM Open West | 36 | Solo | FIN | 47:47:00 | 1 | |||
| Phillippe | Vetterli | M | Birmendorf | Switzerland | Switzerland | 1990 April RAAM Open West | 37 | Solo | FIN | 33:40:00 | 1 | ||||
| Beat | Wyrsch | M | Embrach | Switzerland | Switzerland | 1990 April RAAM Open West | 28 | Solo | FIN | 32:33:00 | 1 | ||||
| James | Barhitte | M | USA | USA | 1990 October RAAM Open West | 42 | Solo | DNF | 1 | ||||||
| Ken | Bell | M | Roseville | California | USA | USA | 1990 October RAAM Open West | 42 | Solo | FIN | 41:45:00 | 3 | |||
| Mary | Burns | F | Deland | FL | USA | USA | 1990 October RAAM Open West | 28 | Solo | FIN | 47:44:00 | 1 | |||
| Mark | Dawson | M | USA | USA | 1990 October RAAM Open West | N/A | Solo | DNF | |||||||
| Ted | Epstein | M | Denver | Colorado | USA | USA | 1990 October RAAM Open West | 55 | Solo | FIN | 44:29:00 | 1 | |||
| Marion | Fryar | M | USA | USA | 1990 October RAAM Open West | N/A | Solo | DNF | |||||||
| Andrew | Herrick | M | USA | USA | 1990 October RAAM Open West | N/A | Solo | DNF | |||||||
| Stephen | Larrance | M | USA | USA | 1990 October RAAM Open West | N/A | Solo | DNF | |||||||
| Louie | Lazarakis | M | USA | USA | 1990 October RAAM Open West | 32 | Solo | DNF | 1 | ||||||
| Alan | MacDonald | M | California | USA | USA | 1990 October RAAM Open West | N/A | Solo | DQ | 1 | |||||
| Robert | Rye | M | Laguna Beach | California | USA | USA | 1990 October RAAM Open West | 31 | Solo | FIN | 34:29:00 | 1 | |||
| Tom | Sellick | M | USA | USA | 1990 October RAAM Open West | N/A | Solo | DNF | |||||||
| John | Stamstad | M | Madison | Wisconsin | USA | USA | 1990 October RAAM Open West | 25 | Solo | FIN | 30:33:00 | 1 | |||
| Rick | Stark | M | California | USA | USA | 1990 October RAAM Open West | 31 | Solo | DNF | 2 | |||||
| Gerry | Tatrai | M | Australia | Australia | 1990 October RAAM Open West | 26 | Solo | FIN | 33:25:00 | 1 | |||||
| Vance | Vaughan | M | Berkeley | California | USA | USA | 1990 October RAAM Open West | 50 | Solo | FIN | 36:19:00 | 1 | |||
| David | Weinberg | M | USA | USA | 1990 October RAAM Open West | 37 | Solo | DNF | 1 | ||||||
| Ken | Bell | M | Roseville | California | USA | USA | 1991 April RAAM Open West | 42 | Solo | FIN | 34:20:45 | 2nd solo finish | 3 | ||
| Jim | Courtney | M | Chandler | Arizona | USA | USA | 1991 April RAAM Open West | 31 | Solo | FIN | 38:00:25 | 1 | |||
| Tom | Davies | M | NA | 346 | USA | USA | 1991 April RAAM Open West | N/A | Solo | DNF | 2 | ||||
| Loren | Godshall | M | Los Altos | California | USA | USA | 1991 April RAAM Open West | 32 | Solo | FIN | 29:59:45 | 1 | |||
| Henry | Kingman | M | NA | 346 | USA | USA | 1991 April RAAM Open West | N/A | Solo | DNF | |||||
| Eric | LeMoine | M | Gresham | Oregon | USA | USA | 1991 April RAAM Open West | 31 | Solo | FIN | 43:25:25 | 1 | |||
| Tom | Sellick | M | NA | 346 | USA | USA | 1991 April RAAM Open West | N/A | Solo | DNF | |||||
| Frank | Smith | M | Jackson | Mississippi | USA | USA | 1991 April RAAM Open West | 46 | Solo | FIN | 44:08:20 | 2 | |||
| Jack | Brisley | M | USA | USA | 1991 October Furnace Creek 508 | N/A | Solo | DNF | |||||||
| Dennis | Brown | M | USA | USA | 1991 October Furnace Creek 508 | 45 | Solo | DNF | |||||||
| Christi | Butler | F | USA | USA | 1991 October Furnace Creek 508 | N/A | Tandem Mixed | DNF | |||||||
| Chuck | Eidenschink | M | USA | USA | 1991 October Furnace Creek 508 | 38 | Solo | FIN | 38:32:21 | 1 | |||||
| Don | Gray | M | California | USA | USA | 1991 October Furnace Creek 508 | 51 | Solo Recumbent | FIN | 47:10:20 | Course Record; one arm | 2 | |||
| Harry | Kearney | M | USA | USA | 1991 October Furnace Creek 508 | N/A | Solo | DNF | |||||||
| Louie | Lazarakis | M | USA | USA | 1991 October Furnace Creek 508 | 33 | Solo | FIN | 45:52:45 | 1 | |||||
| Blythe-Anne | Leidig | F | USA | USA | 1991 October Furnace Creek 508 | N/A | Solo | DNF | |||||||
| Mike | Meng | M | USA | USA | 1991 October Furnace Creek 508 | N/A | Tandem Mixed | DNF | |||||||
| Yoni | Nazarathy | M | Palo Alto | California | USA | Israel | 1991 October Furnace Creek 508 | 17 | Solo | FIN | 38:17:28 | Youngest Finisher: 1989 thru 2002 | 1 | ||
| Jim | Pyatt | M | USA | USA | 1991 October Furnace Creek 508 | 34 | Solo | FIN | 40:06:04 | 5 | HOF | ||||
| Laura | Stern | F | Menlo Park | California | USA | USA | 1991 October Furnace Creek 508 | 30 | Solo | DNF | 1 | ||||
| Paul | Tamm | M | USA | USA | 1991 October Furnace Creek 508 | 47 | Solo | FIN | 35:02:52 | 1 | |||||
| Kevin | Unck | M | USA | USA | 1991 October Furnace Creek 508 | N/A | Solo | DNF | |||||||
| Jack | Van Wye | M | USA | USA | 1991 October Furnace Creek 508 | 41 | Solo | FIN | 35:51:56 | 1 | |||||
| David | Weinberg | M | USA | USA | 1991 October Furnace Creek 508 | 38 | Solo | FIN | 44:13:45 | 1 | |||||
| Tom | Winstrom | M | Foster City | California | USA | USA | 1991 October Furnace Creek 508 | 53 | Solo | FIN | 31:07:22 | Course Record: 50+ | 1 | ||
| James | Barhitte | M | USA | USA | 1992 Furnace Creek 508 | 44 | Solo | DNF | 1 | ||||||
| Jack | Brisley | M | USA | USA | 1992 Furnace Creek 508 | N/A | Solo | DNF | |||||||
| James | Byrnes | M | Laramie | Wyoming | USA | USA | 1992 Furnace Creek 508 | 24 | Solo | FIN | 41:25:53 | 1 | |||
| Tim | Clark | M | USA | USA | 1992 Furnace Creek 508 | N/A | Solo | DNF | |||||||
| Tom | Davies | M | California | USA | USA | 1992 Furnace Creek 508 | 48 | Tandem Men | DNF | 2 | |||||
| Tom | Davies, Jr. | M | California | USA | USA | 1992 Furnace Creek 508 | N/A | Tandem Men | DNF | ||||||
| Chuck | Eidenschink | M | USA | USA | 1992 Furnace Creek 508 | 39 | Solo | DNF | 1 | ||||||
| Les | Glennie | M | Canada | Canada | 1992 Furnace Creek 508 | N/A | Solo | DNF | 1 | ||||||
| Don | Gray | M | California | USA | USA | 1992 Furnace Creek 508 | 52 | Solo Recumbent | DNF | 2 | |||||
| Blythe-Anne | Leidig | F | USA | USA | 1992 Furnace Creek 508 | N/A | Solo | DNF | |||||||
| Kevin | Mickey | M | USA | USA | 1992 Furnace Creek 508 | N/A | Solo | DNF | |||||||
| Jim | Pyatt | M | USA | USA | 1992 Furnace Creek 508 | 35 | Solo | DNF | 5 | HOF | |||||
| Muffy | Ritz | F | Ketchum | Idaho | USA | USA | 1992 Furnace Creek 508 | 35 | Solo | FIN | 30:54:36 | 3 | |||
| Ian | Sandor | M | USA | USA | 1992 Furnace Creek 508 | N/A | Solo | DNF | |||||||
| Gerald | Tessmer | M | Bramsche | Germany | Germany | 1992 Furnace Creek 508 | 26 | Solo | FIN | 34:55:55 | 1 | ||||
| Dennis | Workman | M | USA | USA | 1992 Furnace Creek 508 | N/A | Solo | DNF | |||||||
| 3 Toed Sloth | Mike | Monroe | M | New York | New York | USA | USA | 2008 Furnace Creek 508 | 43 | Solo | FIN | 41:05:38 | 1 | ||
| Aardvark | Matt | Adams | M | USA | USA | 1998 Furnace Creek 508 | 31 | Solo | FIN | 41:13:20 | 1 | ||||
| Abalone | Jonathan | Arnow | M | USA | USA | 1998 Furnace Creek 508 | 42 | Solo | FIN | 37:30:00 | 2 | ||||
| Abalone | Jonathan | Arnow | M | Reno | Nevada | USA | USA | 1999 Furnace Creek 508 | 43 | Solo | FIN | 35:20:33 | Tie; RQ | 2 | |
| Abruzzo Chamois | Anthony | Gebbia | M | Henderson | Nevada | USA | USA | 2012 Furnace Creek 508 | 46 | Solo | DNF | ||||
| Addax | Steven | Babayan | M | Los Angeles | California | USA | USA | 2005 Furnace Creek 508 | 31 | Two Man | FIN | 34:32:40 | 4 | ||
| Addax | Michael | Beauregard | M | Los Angeles | California | USA | USA | 2005 Furnace Creek 508 | 30 | Two Man | FIN | 34:32:40 | 4 | ||
| Addax | Steven | Babayan | M | Los Angeles | California | USA | USA | 2006 Furnace Creek 508 | 32 | Two Man | FIN | 35:05:06 | 4 | ||
| Addax | Michael | Beauregard | M | Los Angeles | California | USA | USA | 2006 Furnace Creek 508 | 31 | Two Man | FIN | 35:05:06 | 4 | ||
| Addax | Steven | Babayan | M | Mountain View | California | USA | USA | 2008 Furnace Creek 508 | 34 | Two Man | FIN | 34:18:12 | 4 | ||
| Addax | Michael | Beauregard | M | Los Angeles | California | USA | USA | 2008 Furnace Creek 508 | 34 | Two Man | FIN | 34:18:12 | 4 | ||
| Addax | Steven | Babayan | M | Mountain View | California | USA | USA | 2009 Furnace Creek 508 | 35 | Four Man | FIN | 39:23:18 | 4 | ||
| Addax | Michael | Beauregard | M | Los Angeles | California | USA | USA | 2009 Furnace Creek 508 | 35 | Four Man | FIN | 39:23:18 | 4 | ||
| Addax | Lee | Heavner | M | El Segundo | California | USA | USA | 2009 Furnace Creek 508 | 41 | Four Man | FIN | 39:23:18 | 1 | ||
| Addax | Geralyn | Villaflor | F | Los Angeles | California | USA | USA | 2009 Furnace Creek 508 | 30 | Four Man | FIN | 39:23:18 | 1 | ||
| Adder | Debbie | Albers | F | Healdsburg | California | USA | USA | 2008 Furnace Creek 508 | 45 | Solo | DNF | 3 | |||
| Adder | Debbie | Albers | F | Healdsburg | California | USA | USA | 2011 Furnace Creek 508 | 48 | Solo | DNF | 3 | |||
| Adder | Bill | Albers | M | Healdsburg | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 46 | Two Mixed | FIN | 25:36:00 | 6 | HOF | |
| Adder | Debbie | Albers | F | Healdsburg | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 50 | Two Mixed | FIN | 25:36:00 | 3 | ||
| adobo CHICKS | Rosalie | Kneebone | F | Moorpark | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 44 | Two Woman | FIN | 26:38:00 | 1 | ||
| adobo CHICKS | Heidi | Vu | F | Woodland Hills | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 41 | Two Woman | FIN | 26:38:00 | 1 | ||
| Adobo Dic | Michael | Vincent Paysan | M | Orange | California | USA | USA | 2018 Silver State 508 | 51 | Solo | FIN | 47:38:28 | 2 | ||
| Adobo Sloth | Dindo | Flauta | M | Sacramento | California | USA | USA | 2023 Silver State 508 | N/A | Solo Randonneur | DNF | ||||
| African Swamp Rat | Mark | Barnett | M | Temecula | California | USA | USA | 2006 Furnace Creek 508 | 47 | Two Man | FIN | 32:23:24 | 2 | ||
| African Swamp Rat | Kip | Grossman | M | Laguna Beach | California | USA | USA | 2006 Furnace Creek 508 | 46 | Two Man | FIN | 32:23:24 | 2 | ||
| African Swamp Rat | Mark | Barnett | M | Cardiff | California | USA | USA | 2007 Furnace Creek 508 | 48 | Two Man | FIN | 28:55:10 | 2 | ||
| African Swamp Rat | Kip | Grossman | M | Laguna Beach | California | USA | USA | 2007 Furnace Creek 508 | 47 | Two Man | FIN | 28:55:10 | 2 | ||
| Agile Vagabond Turtles | Terry | Garrity | M | Freemont | California | USA | USA | 2023 Silver State 508 | N/A | Four Mixed | FIN | 35:41:15 | 1 | ||
| Agile Vagabond Turtles | Alex | Pham | M | Freemont | California | USA | USA | 2023 Silver State 508 | N/A | Four Mixed | FIN | 35:41:15 | 1 | ||
| Agile Vagabond Turtles | Tai | Tran | M | San Jose | California | USA | USA | 2023 Silver State 508 | N/A | Four Mixed | FIN | 35:41:15 | 1 | ||
| Agile Vagabond Turtles | Van | Trieu | M | Milpitas | California | USA | USA | 2023 Silver State 508 | N/A | Four Mixed | FIN | 35:41:15 | 1 | ||
| Agouti | Thomas Andrew | Cutler | M | Palo Alto | California | USA | USA | 2004 Furnace Creek 508 | 36 | Four Man | FIN | 36:01:52 | 1 | ||
| Agouti | Bobby Dale | Gifford | M | Hayward | California | USA | USA | 2004 Furnace Creek 508 | 46 | Four Man | FIN | 36:01:52 | 1 | ||
| Agouti | Michael | Gifford | M | San Leandro | California | USA | USA | 2004 Furnace Creek 508 | 46 | Four Man | FIN | 36:01:52 | 1 | ||
| Agouti | Martin | Wensley | M | San Francisco | California | USA | USA | 2004 Furnace Creek 508 | 47 | Four Man | FIN | 36:01:52 | 1 | ||
| Agouti | Greg | Blandino | M | Pleasanton | California | USA | USA | 2008 Furnace Creek 508 | 48 | Four Man | FIN | 28:39:19 | 1 | ||
| Agouti | Michael | Gifford | M | San Leandro | California | USA | USA | 2008 Furnace Creek 508 | 50 | Four Man | 28:39:19 | 1 | |||
| Agouti | Sascha | Messner | M | Fremont | California | USA | USA | 2008 Furnace Creek 508 | 37 | Four Man | 28:39:19 | ||||
| Agouti | Christopher | States | M | Brentwood | California | USA | USA | 2008 Furnace Creek 508 | 47 | Four Man | 28:39:19 | ||||
| Air Wolf | Darren | Hirst | M | Calgary | Alberta | Canada | Canada | 2013 Furnace Creek 508, AKA Trona 353 | 33 | Four Man | FIN | 24:17:00 | 1 | ||
| Air Wolf | Rob | Hirst | M | Penticton | British Columbia | Canada | Canada | 2013 Furnace Creek 508, AKA Trona 353 | 41 | Four Man | FIN | 24:17:00 | 1 | ||
| Air Wolf | Kim | Jones | M | Calgary | Alberta | Canada | Canada | 2013 Furnace Creek 508, AKA Trona 353 | 47 | Four Man | FIN | 24:17:00 | 1 | ||
| Air Wolf | Mike | Kulawik | M | Calgary | Alberta | Canada | Canada | 2013 Furnace Creek 508, AKA Trona 353 | 42 | Four Man | FIN | 24:17:00 | 1 | ||
| Akita | Rick | Ashabranner | M | Livermore | California | USA | USA | 2001 Furnace Creek 508 | 32 | Solo | FIN | 34:26:00 | RQ | 5 | HOF |
| Akita | Rick | Ashabranner | M | Livermore | California | USA | USA | 2003 Furnace Creek 508 | 34 | Solo | DNF | 5 | HOF | ||
| Akita | Rick | Ashabranner | M | Mountain House | California | USA | USA | 2005 Furnace Creek 508 | 36 | Solo | FIN | 28:30:04 | 5 | HOF | |
| Akita | Rick | Ashabranner | M | Mountain House | California | USA | USA | 2010 Furnace Creek 508 | 40 | Solo Recumbent | FIN | 36:04:46 | 5 | HOF | |
| Albatross | Sheherezade | Adams | F | USA | USA | 1995 Furnace Creek 508 | 22 | Solo | DNF | 1 | |||||
| Albatross | Sheherezade | Adams | F | USA | USA | 1996 Furnace Creek 508 | 23 | Solo | DNF | 1 | |||||
| Albatross | Sheherezade | Adams | F | USA | USA | 1997 Furnace Creek 508 | 24 | Solo | DNF | 1 | |||||
| Albatross | Sheherezade | Adams | F | Healdsburg | California | USA | USA | 2014 Silver State 508 | 41 | Solo Classic | FIN | 41:48:00 | 1 | ||
| Alberta Bison | Dallas | Morris | M | Calgary | Alberta | Canada | Canada | 2010 Furnace Creek 508 | 35 | Solo | FIN | 30:49:36 | 1 | ||
| Algae | Mike | Aberg | M | USA | USA | 1998 Furnace Creek 508 | 33 | Solo | FIN | 45:27:28 | 1 | ||||
| Alligator | Michael | Basgall | M | Torrance | California | USA | USA | 2005 Furnace Creek 508 | 32 | Four Man | FIN | 29:02:00 | 2 | ||
| Alligator | Kevin | Hemstreet | M | Laguna Niguel | California | USA | USA | 2005 Furnace Creek 508 | 45 | Four Man | FIN | 29:02:00 | 2 | ||
| Alligator | Joseph | Stein | M | Laguna Niguel | California | USA | USA | 2005 Furnace Creek 508 | 45 | Four Man | FIN | 29:02:00 | 2 | ||
| Alligator | Graham | Traylor | M | Los Alamitos | California | USA | USA | 2005 Furnace Creek 508 | 42 | Four Man | FIN | 29:02:00 | 2 | ||
| Alligator | Michael | Basgall | M | Torrance | California | USA | USA | 2006 Furnace Creek 508 | 33 | Four Man | FIN | 30:18:33 | 2 | ||
| Alligator | Kevin | Hemstreet | M | Laguna Niguel | California | USA | USA | 2006 Furnace Creek 508 | 46 | Four Man | FIN | 30:18:33 | 2 | ||
| Alligator | Joseph | Stein | M | Laguna Niguel | California | USA | USA | 2006 Furnace Creek 508 | 46 | Four Man | FIN | 30:18:33 | 2 | ||
| Alligator | Graham | Traylor | M | Roosmoor | California | USA | USA | 2006 Furnace Creek 508 | 43 | Four Man | FIN | 30:18:33 | 2 | ||
| Alpaca | Kristina | Reid | F | San Francisco | California | USA | USA | 2008 Furnace Creek 508 | 27 | Two Mixed | FIN | 32:26:12 | 2 | ||
| Alpaca | M. Kelly | Rogers | M | Emerald Hills | California | USA | USA | 2008 Furnace Creek 508 | 52 | Two Mixed | FIN | 32:26:12 | 1 | ||
| Alpine Ibex | Michael | Emde | M | Spokane | Washington | USA | Austria | 2005 Furnace Creek 508 | 35 | Solo | FIN | 27:49:07 | 5 | HOF | |
| Alpine Ibex | Michael | Emde | M | Spokane | Washington | USA | Austria | 2006 Furnace Creek 508 | 36 | Solo | FIN | 28:23:21 | 5 | HOF | |
| Alpine Ibex | Michael | Emde | M | Spokane | Washington | USA | Austria | 2007 Furnace Creek 508 | 37 | Solo | FIN | 27:32:30 | 5 | HOF | |
| Alpine Ibex | Michael | Emde | M | Spokane | Washington | USA | Austria | 2008 Furnace Creek 508 | 38 | Solo | FIN | 27:28:01 | Set a new personal record | 5 | HOF |
| Alpine Ibex | Michael | Emde | M | Spokane | Washington | USA | Austria | 2009 Furnace Creek 508 | 39 | Solo | FIN | 29:47:34 | 5 | HOF | |
| Alpine Squirrel | Mirko | Montanari | M | San Francisco | California | USA | Italy | 2021 Silver State 508 | 41 | Solo Randonneur | DNF | ||||
| Alpine Squirrel | Mirko | Montanari | M | San Francisco | California | USA | USA | 2022 Silver State 508 | 42 | Solo Randonneur | DNF | ||||
| Altitude Inclined Tortoise | David | Engelbrecht | M | Los Gatos | California | USA | USA | 2016 Silver State 508 | 46 | Two Man | FIN | 32:35:00 | 1 | ||
| Altitude Inclined Tortoise | Matt | Taylor | M | Canal Winchester | Ohio | USA | USA | 2016 Silver State 508 | 50 | Two Man | FIN | 32:35:00 | 1 | ||
| American Avocet | Judy | Brusslan | F | Long Beach | California | USA | USA | 2016 Silver State 508 | 56 | Solo | FIN | 44:15:00 | 1 | ||
| American Eagle | Paul | Bonds | M | Camarillo | California | USA | USA | 2000 Furnace Creek 508 | 51 | Solo | FIN | 38:49:02 | 1 | ||
| American Eagle | Paul | Bonds | M | Camarillo | California | USA | USA | 2001 Furnace Creek 508 | 52 | Solo | DNF | mechanical | 1 | ||
| American Eagle | Paul | Bonds | M | Camarillo | California | USA | USA | 2002 Furnace Creek 508 | 53 | Solo | DNF | 1 | |||
| American Greyhound | John | Foote | M | Troy | Ohio | USA | USA | 2007 Furnace Creek 508 | 50 | Solo Recumbent | DNF | ||||
| American Kestrel | Brian | Ecker | M | Bellingham | Washington | USA | USA | 2009 Furnace Creek 508 | 37 | Solo | FIN | 33:14:06 | 2 | ||
| American Kestrel | Brian | Ecker | M | Bellingham | Washington | USA | USA | 2011 Furnace Creek 508 | 39 | Solo | FIN | 31:19:36 | 2 | ||
| Amoeba | Richard | Anderson | M | USA | USA | 1995 Furnace Creek 508 | 42 | Solo | DNF | 2 | |||||
| Amoeba | Richard | Anderson | M | USA | USA | 1996 Furnace Creek 508 | 43 | Solo | FIN | 33:42:37 | 2: one solo, one team | 2 | |||
| Amoeba | Richard | Anderson | M | USA | USA | 1997 Furnace Creek 508 | 44 | Solo | DNF | 2 | |||||
| Amoeba / Abalone | Richard | Anderson | M | Woodside | California | USA | USA | 2003 Furnace Creek 508 | 50 | Two Man | DNF | Standard bike, use of both legs. Recumbent Trike, use of one leg | 2 | ||
| Amoeba / Abalone | Jonathan | Arnow | M | Reno | Nevada | USA | USA | 2003 Furnace Creek 508 | 47 | Two Man | DNF | Standard bike, use of both legs. Recumbent Trike, use of one leg | 2 | ||
| Andean Condor | Juan | Craveri | M | Buenos Aires | CABA | Argentina | Argentina | 2010 Furnace Creek 508 | 42 | Solo | DNF | ||||
| Angelfish | Michael | Angelos | M | Marina Del Ray | California | USA | USA | 2000 Furnace Creek 508 | 39 | Solo | HON | ||||
| Angler Fish | Steve | LaChaine | M | Atascadero | California | USA | USA | 2012 Furnace Creek 508 | 45 | Solo | FIN | 42:51:13 | 3 | ||
| Animal | Robert | Baldino | M | Jackson | California | USA | USA | 2017 Silver State 508 | 72 | Two Man | FIN | 41:30:00 | 8 | HOF | |
| Animal | Brian | Martin | M | Kelowna | British Columbia | Canada | Canada | 2017 Silver State 508 | 56 | Two Man | FIN | 41:30:00 | 1 | ||
| Anteater | Rick | Adolf | M | Sunnyvale | California | USA | USA | 1992 Furnace Creek 508 | 33 | Solo | FIN | 35:23:33 | 3 | ||
| Anteater | Rick | Adolf | M | USA | USA | 1993 Furnace Creek 508 | 34 | Solo | DNF | 3 | |||||
| Anteater | Rick | Adolf | M | USA | USA | 1994 Furnace Creek 508 | 35 | Solo | FIN | 38:12:03 | 2nd solo finish | 3 | |||
| Anteater | Rick | Adolf | M | USA | USA | 1995 Furnace Creek 508 | 36 | Solo | FIN | 34:01:35 | 3rd Solo finish | 3 | |||
| Antelope | Bill | Albers | M | Flagstaff | Arizona | USA | USA | October 1987 RAAM Open West | 20 | Solo | FIN | 49:25:00 | 6 | HOF | |
| Antelope | Bill | Albers | M | Flagstaff | Arizona | USA | USA | 1989 October RAAM Open West | 22 | Solo | FIN | 37:00:00 | 6 | HOF | |
| Antelope | Bill | Albers | M | USA | USA | 1993 Furnace Creek 508 | 26 | Solo | DNF | 6 | HOF | ||||
| Antelope | Bill | Albers | M | USA | USA | 1994 Furnace Creek 508 | 27 | Solo | DNF | 6 | HOF | ||||
| Antelope | Bill | Albers | M | USA | USA | 1995 Furnace Creek 508 | 28 | Solo | FIN | 35:15:11 | 2nd solo finish | 6 | HOF | ||
| Apopyllus now | Peter | Dowhan | M | Acton | California | USA | USA | 2004 Furnace Creek 508 | 52 | Two Man | DNF | 2 | |||
| Apopyllus now | Chris | Haddakin | M | Hemet | California | USA | USA | 2004 Furnace Creek 508 | 38 | Two Man | DNF | ||||
| Arab Horse | David | Harper | M | Clermont | Florida | USA | USA | 2006 Furnace Creek 508 | 43 | Solo | DNF | ||||
| Arab Horse | David | Harper | M | Clermont | Florida | USA | USA | 2007 Furnace Creek 508 | 44 | Solo | DNF | ||||
| Archaeopteryx | Emily | O'Brien | F | Somermille | Massachusetts | USA | USA | 2005 Furnace Creek 508 | 23 | Solo Fixed Gear | FIN | 44:24:27 | 1 | ||
| Archaeopteryx | Emily | O'Brien | F | Medford | Massachusetts | USA | USA | 2006 Furnace Creek 508 | 24 | Solo Fixed Gear | 47:23:23 | RAAM Qualified | 1 | ||
| Arctic Wolf | Evgeny | Pochaev | M | Moscow | Moscow | Russia | Russia | 2012 Furnace Creek 508 | 30 | Solo | FIN | 37:15:53 | 1 | ||
| Aries | Raphael | Gernez | M | Los Altos | California | USA | France | 2011 Furnace Creek 508 | 48 | Solo | DNF | ||||
| Aries | Raphael | Gernez | M | Los Altos | California | USA | France | 2020 Silver State 508 | 57 | Solo Randonneur | DNS | ||||
| Aries | Raphael | Gernez | M | Los Altos | California | USA | France | 2021 Silver State 508 | 58 | Solo Randonneur | DNF | ||||
| Armadillo | Steve | Horne | M | San Antonio | Texas | USA | USA | 1993 Furnace Creek 508 | 41 | Four Man | FIN | 25:28:55 | 3 | ||
| Armadillo | Will | Klein | M | San Antonio | Texas | USA | USA | 1993 Furnace Creek 508 | 31 | Four Man | FIN | 25:28:55 | 4 | ||
| Armadillo | Ric | Ramos | M | San Antonio | Texas | USA | USA | 1993 Furnace Creek 508 | 28 | Four Man | FIN | 25:28:55 | 2 | ||
| Armadillo | George | Thomas | M | Texas | USA | USA | 1993 Furnace Creek 508 | 30 | Four Man | FIN | 25:28:55 | 3 | |||
| Armadillo | Steve | Horne | M | San Antonio | Texas | USA | USA | 1994 Furnace Creek 508 | 42 | Four Man | FIN | 24:43:00 | 2nd team finish | 3 | |
| Armadillo | Will | Klein | M | San Antonio | Texas | USA | USA | 1994 Furnace Creek 508 | 32 | Four Man | FIN | 24:43:00 | 2nd team finish | 4 | |
| Armadillo | Michael | Olstad | M | San Marcos | Texas | USA | USA | 1994 Furnace Creek 508 | 46 | Four Man | FIN | 24:43:00 | 2nd team finish | 4 | |
| Armadillo | Ric | Ramos | M | San Antonio | Texas | USA | USA | 1994 Furnace Creek 508 | 29 | Four Man | FIN | 24:43:00 | 2nd team finish | 2 | |
| Armadillo | Stuart | Green | M | Austin | Texas | USA | USA | 1995 Furnace Creek 508 | 32 | Four Man | FIN | 22:32:05 | 3rd Team Finish | 2 | |
| Armadillo | Steve | Horne | M | San Antonio | Texas | USA | USA | 1995 Furnace Creek 508 | 43 | Four Man | FIN | 22:32:05 | 3rd Team Finish | 3 | |
| Armadillo | Will | Klein | M | San Antonio | Texas | USA | USA | 1995 Furnace Creek 508 | 33 | Four Man | FIN | 22:32:05 | 3rd Team Finish | 4 | |
| Armadillo | Michael | Olstad | M | San Marcos | Texas | USA | USA | 1995 Furnace Creek 508 | 47 | Four Man | FIN | 22:32:05 | 3rd Team Finish | 4 | |
| Armadillo | Bret | Crosby | M | Dallas | Texas | USA | USA | 2000 Furnace Creek 508 | 28 | Four Man | FIN | 23:39:40 | 1 | ||
| Armadillo | Stuart | Green | M | Austin | Texas | USA | USA | 2000 Furnace Creek 508 | 37 | Four Man | FIN | 23:39:40 | 2 | ||
| Armadillo | Will | Klein | M | San Antonio | Texas | USA | USA | 2000 Furnace Creek 508 | N/A | Four Man | FIN | 23:39:40 | 4 | ||
| Armadillo | Michael | Olstad | M | San Marcos | Texas | USA | USA | 2000 Furnace Creek 508 | 52 | Four Man | FIN | 23:39:40 | 4 | ||
| Armadillo | Tom | Bain | M | San Antonio | Texas | USA | USA | 2001 Furnace Creek 508 | 49 | Four Man | FIN | 23:09:00 | 1 | ||
| Armadillo | Michael | Olstad | M | San Marcos | Texas | USA | USA | 2001 Furnace Creek 508 | 53 | Four Man | FIN | 23:09:00 | 4 | ||
| Armadillo | Phil | Sladek | M | San Marcos | Texas | USA | USA | 2001 Furnace Creek 508 | 49 | Four Man | FIN | 23:09:00 | 1 | ||
| Armadillo | Dave | Thorton | M | Arlington | Texas | USA | USA | 2001 Furnace Creek 508 | 54 | Four Man | FIN | 23:09:00 | 1 | ||
| Arroyo Southwestern Toad | K. Eric | Adair | M | Newhall | California | USA | USA | 2004 Furnace Creek 508 | 42 | Solo | DNF | 1 | |||
| Asiatic Wildcat | Felix | Wong | M | Fort Collins | Colorado | USA | USA | 2011 Furnace Creek 508 | 36 | Solo Classic | FIN | 39:14:59 | 1 | ||
| Asp | Rick | Ashabranner | M | Mountain House | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 44 | Two Man | FIN | 24:33:00 | 5 | HOF | |
| Asp | Thaddeus | Orzechowski | M | Alamo | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 64 | Two Man | FIN | 24:33:00 | 1 | ||
| Asses | Antoinette | Addison | F | California | USA | USA | 1991 October Furnace Creek 508 | 35 | Tandem Mixed | DNF | 1 | ||||
| Asses | Sean | Addison | M | California | USA | USA | 1991 October Furnace Creek 508 | 29 | Tandem Mixed | DNF | 1 | ||||
| Asses | Antoinette | Addison | F | California | USA | USA | 1998 Furnace Creek 508 | 42 | Tandem Mixed | FIN | 38:44:47 | 1 | |||
| Asses | Sean | Addison | M | California | USA | USA | 1998 Furnace Creek 508 | 36 | Tandem Mixed | FIN | 38:44:47 | 1 | |||
| Athenian Rottweiler | Robyn | Benincasa | F | Cardiff | California | USA | USA | 2008 Furnace Creek 508 | 40 | Solo | FIN | 33:25:06 | 1 | ||
| Auk | Brad | Raddcliffe | M | Tigard | Oregon | USA | USA | 2003 Furnace Creek 508 | 18 | Two Man | FIN | 29:17:13 | Father - Son team | 1 | |
| Auk | Randy M | Raddcliffe | M | Tigard | Oregon | USA | USA | 2003 Furnace Creek 508 | 45 | Two Man | FIN | 29:17:13 | Father - Son team | 1 | |
| Avocet | Donald | Kellum | M | Phoeniz | Arizona | USA | USA | 2002 Furnace Creek 508 | 33 | Two Man | FIN | 34:53:52 | 1 | ||
| Avocet | Don | Waagen | M | Tucson | Arizona | USA | USA | 2002 Furnace Creek 508 | 42 | Two Man | FIN | 34:53:52 | 2 | ||
| Aye-Aye | Deanna | Adams | F | Prescott | Arizona | USA | USA | 2007 Furnace Creek 508 | 19 | Solo | DNF | 1 | |||
| Aye-Aye | Deanna | Adams | F | Prescott | Arizona | USA | USA | 2008 Furnace Creek 508 | 20 | Solo | FIN | 43:17:07 | 1 | ||
| Aye-Aye | Deanna | Adams | F | Prescott | Arizona | USA | USA | 2009 Furnace Creek 508 | 21 | Solo Fixed Gear | DNF | 1 | |||
| Aye-Aye | Deanna | Adams | F | Prescott | Arizona | USA | USA | 2020 Silver State 508 | 32 | Solo Randonneur Fixed Gear | DNF | 1 | |||
| Aye-Aye | Deanna | Adams | F | Prescott | Arizona | USA | USA | 2021 Silver State 508 | 33 | Solo Randonneur Fixed Gear | DNF | 1 | |||
| Aye-Aye | Deanna | Adams | F | Prescott | Arizona | USA | USA | 2022 Silver State 508 | 34 | Solo Randonneur Fixed Gear | DNF | 1 | |||
| Babbler Bird | Dennis | Brown | M | Lake Forest | California | USA | USA | 2006 Furnace Creek 508 | 60 | Solo | DNF | ||||
| Baboons | K. Eric | Adair | M | Newhall | California | USA | USA | 2005 Furnace Creek 508 | 43 | Four Man | FIN | 34:27:54 | 1 | ||
| Baboons | Thomas | McHenry | M | Pasadena | California | USA | USA | 2005 Furnace Creek 508 | 50 | Four Man | FIN | 34:27:54 | 1 | ||
| Baboons | Joseph | Padula | M | S. Pasadena | California | USA | USA | 2005 Furnace Creek 508 | 36 | Four Man | FIN | 34:27:54 | 1 | ||
| Baboons | William | Pinney | M | La Canada | California | USA | United Kingdom | 2005 Furnace Creek 508 | 53 | Four Man | FIN | 34:27:54 | 1 | ||
| Baboons | Bill | Banks | M | So Pasadena | California | USA | USA | 2006 Furnace Creek 508 | 48 | Four Man | DNF | ||||
| Baboons | Thomas | McHenry | M | Pasadena | California | USA | USA | 2006 Furnace Creek 508 | 52 | Four Man | DNF | 1 | |||
| Baboons | Joseph | Padula | M | So Pasadena | California | USA | USA | 2006 Furnace Creek 508 | 37 | Four Man | DNF | 1 | |||
| Baboons | William | Pinney | M | La Canada | California | USA | United Kingdom | 2006 Furnace Creek 508 | 54 | Four Man | DNF | 1 | |||
| Baby Moose | Hunter | Petersen | M | Clio | California | USA | USA | 2023 Silver State 508 | N/A | Solo Randonneur | DNF | ||||
| Bad Dogg | Mark | Flores | M | San Dimas | California | USA | USA | 2005 Furnace Creek 508 | 37 | Solo | FIN | 30:20:35 | 1 | ||
| Badger | Stephanie | Barry | F | USA | USA | 1994 Furnace Creek 508 | 28 | Solo | FIN | 45:32:18 | 1 | ||||
| Bahati Badger | Alex | Isaly | M | Laguna Niguel | California | USA | USA | 2023 Silver State 508 | N/A | Solo | FIN | 43:27:55 | 1 | ||
| Baku | Justin | Arbuckle | M | Castle Rock | Colorado | USA | USA | 2021 Silver State 508 | 45 | Four Mixed Open | FIN | 31:10:00 | 2 | ||
| Baku | Erick | Fry | M | Moncks Corner | South Carolina | USA | USA | 2021 Silver State 508 | 47 | Four Man Open | FIN | 31:10:00 | 1 | ||
| Baku | Benjamin | Smith | M | Highlands Ranch | Colorado | USA | USA | 2021 Silver State 508 | 45 | Four Mixed Open | FIN | 31:10:00 | 2 | ||
| Baku | James | Whitmire | M | Denver | Colorado | USA | USA | 2021 Silver State 508 | 49 | Four Mixed Open | FIN | 31:10:00 | 2 | ||
| Baku | Justin | Arbuckle | M | Castle Rock | Colorado | USA | USA | 2022 Silver State 508 | 46 | Four Man | FIN | 25:36:00 | 2 | ||
| Baku | Jeff | Meyer | M | Denver | Colorado | USA | USA | 2022 Silver State 508 | N/A | Four Man | FIN | 25:36:00 | 1 | ||
| Baku | Benjamin | Smith | M | Highlands Ranch | Colorado | USA | USA | 2022 Silver State 508 | 46 | Four Man | FIN | 25:36:00 | 2 | ||
| Baku | James | Whitmire | M | Denver | Colorado | USA | USA | 2022 Silver State 508 | 50 | Four Man | FIN | 25:36:00 | 2 | ||
| Bald Eagle | Bill | Ellis | M | Rio Nido | California | USA | USA | 2002 Furnace Creek 508 | 44 | Solo | FIN | 35:59:03 | New Qual. | 2 | |
| Bald Eagle | Bill | Ellis | M | Novato | California | USA | USA | 2008 Furnace Creek 508 | 50 | Solo | FIN | 35:20:03 | 2 | ||
| Bald Faced Hornet | Michael | McKay | M | Omaha | Nebraska | USA | USA | 2020 Silver State 508 | 35 | Solo Randonneur | FIN | 42:27:10 | 2 | ||
| Bald Faced Hornet | Michael | McKay | M | Bennington | Nebraska | USA | USA | 2022 Silver State 508 | 37 | Solo Randonneur | FIN | 41:03:00 | 2 | ||
| Banana Slug | Ron | Bobb | M | Watsonville | California | USA | USA | 2000 Furnace Creek 508 | 55 | Solo Recumbent | FIN | 1 | |||
| Bandicoot | Jeanie | Barnett | F | Martinez | California | USA | USA | 1999 Furnace Creek 508 | 42 | Solo | DNF | TS3 - "low altitude sickness" | 1 | ||
| Bandicoot | Jeanie | Barnett | F | Martinez | California | USA | USA | 2000 Furnace Creek 508 | 43 | Solo | FIN | 39:08:50 | 1 | ||
| Barking Spiders | Terri | Costello | F | Danville | California | USA | USA | 2011 Furnace Creek 508 | 53 | Four Tandem Mixed | FIN | 35:31:42 | 1 | ||
| Barking Spiders | Stephanie | DiPalma | F | Martinez | California | USA | USA | 2011 Furnace Creek 508 | 55 | Four Tandem Mixed | FIN | 35:31:42 | 1 | ||
| Barking Spiders | Tom | DiPalma | M | Martinez | California | USA | USA | 2011 Furnace Creek 508 | 51 | Four Tandem Mixed | FIN | 35:31:42 | 1 | ||
| Barking Spiders | Eva | Fallis | F | San Leandro | California | USA | USA | 2011 Furnace Creek 508 | 52 | Four Tandem Mixed | FIN | 35:31:42 | 1 | ||
| Barking Spiders | Eldred | Fountain | M | Tracy | California | USA | USA | 2011 Furnace Creek 508 | 55 | Four Tandem Mixed | FIN | 35:31:42 | 1 | ||
| Barking Spiders | Janet | Fountain | F | Tracy | California | USA | USA | 2011 Furnace Creek 508 | 54 | Four Tandem Mixed | FIN | 35:31:42 | 1 | ||
| Barking Spiders | Michael | Hill | M | San Leandro | California | USA | USA | 2011 Furnace Creek 508 | 48 | Four Tandem Mixed | FIN | 35:31:42 | 1 | ||
| Barking Spiders | Gil | Hopkins | M | Castro Valley | California | USA | USA | 2011 Furnace Creek 508 | 55 | Four Tandem Mixed | FIN | 35:31:42 | 8 | HOF | |
| Barn Owl | Marcus | Edvalson | M | North Hills | California | USA | USA | 2010 Furnace Creek 508 | 28 | Solo | HON | 1 | |||
| Barnacle | Darrell | Bowles | M | Phonenix | Arizona | USA | USA | October 1988 RAAM Open West | 29 | Solo | FIN | 45:13:00 | 3 | ||
| Barnacle | Darrell | Bowles | M | Phoenix | California | USA | USA | 1989 April RAAM Open West | 29 | Solo | FIN | 33:51:00 | 3 | ||
| Barnacle | Darrell | Bowles | M | Mesa | Arizona | USA | USA | 1999 Furnace Creek 508 | 40 | Solo | FIN | 34:57:29 | 3 | ||
| Barracuda | Jim | Blauer | M | USA | USA | 1996 Furnace Creek 508 | N/A | Four Man | FIN | 28:25:38 | 3 | ||||
| Barracuda | Jeffrey | Davis | M | USA | USA | 1996 Furnace Creek 508 | N/A | Four Man | FIN | 28:25:38 | 4 | ||||
| Barracuda | Doug | Kipperman | M | California | USA | USA | 1996 Furnace Creek 508 | N/A | Four Man | FIN | 28:25:38 | 3 | |||
| Barracuda | Wayne | Westling | M | USA | USA | 1996 Furnace Creek 508 | N/A | Four Man | FIN | 28:25:38 | 1 | ||||
| Barracuda | Jim | Blauer | M | USA | USA | 1997 Furnace Creek 508 | N/A | Four Man | FIN | 26:36:42 | 2nd team finish | 3 | |||
| Barracuda | Jeffrey | Davis | M | USA | USA | 1997 Furnace Creek 508 | N/A | Four Man | FIN | 26:36:42 | 2nd team finish | 4 | |||
| Barracuda | Doug | Kipperman | M | California | USA | USA | 1997 Furnace Creek 508 | N/A | Four Man | FIN | 26:36:42 | 2nd team finish | 3 | ||
| Barracuda | Mick | McLeod | M | USA | USA | 1997 Furnace Creek 508 | N/A | Four Man | FIN | 26:36:42 | 2nd team finish | 1 | |||
| Barracuda | Jim | Blauer | M | USA | USA | 1998 Furnace Creek 508 | N/A | Four Man | FIN | 26:34:00 | 3rd Team Finish | 3 | |||
| Barracuda | Jeffrey | Davis | M | USA | USA | 1998 Furnace Creek 508 | N/A | Four Man | FIN | 26:34:00 | 3rd Team Finish | 4 | |||
| Barracuda | Doug | Kipperman | M | California | USA | USA | 1998 Furnace Creek 508 | N/A | Four Man | FIN | 26:34:00 | 3rd Team Finish | 3 | ||
| Barracuda | Uwe | Koll | M | Germany | Germany | 1998 Furnace Creek 508 | N/A | Four Man | FIN | 26:34:00 | 3rd Team Finish | 1 | |||
| Basenji | Bernie | Barge | M | Paso Robles | California | USA | USA | 2000 Furnace Creek 508 | 39 | Four Man | FIN | 27:51:38 | 8 | HOF | |
| Basenji | John | Barlow | M | Templeton | California | USA | USA | 2000 Furnace Creek 508 | 46 | Four Man | FIN | 27:51:38 | 1 | ||
| Basenji | David | Nakai | M | Fallbrook | California | USA | USA | 2000 Furnace Creek 508 | 44 | Four Man | FIN | 27:51:38 | 5 | HOF | |
| Basenji | Shawn | Varner | M | Paso Robles | California | USA | USA | 2000 Furnace Creek 508 | 31 | Four Man | FIN | 27:51:38 | 1 | ||
| Basenji | Bernie | Barge | M | San Miguel | California | USA | USA | 2003 Furnace Creek 508 | 42 | Solo | DNF | 8 | HOF | ||
| Basenji | Bernie | Barge | M | San Miguel | California | USA | USA | 2004 Furnace Creek 508 | 43 | Two Man | FIN | 34:37:00 | COURSE RECORD | 8 | HOF |
| Basenji | David | Nakai | M | Fallbrook | California | USA | USA | 2004 Furnace Creek 508 | 48 | Two Man | FIN | 34:37:00 | COURSE RECORD | 5 | HOF |
| Basenji | Bernie | Barge | M | San Miguel | California | USA | USA | 2005 Furnace Creek 508 | 44 | Solo | DNF | 8 | HOF | ||
| Basenji | Lisa | Antonino | F | Belmont | California | USA | USA | 2007 Furnace Creek 508 | 47 | Two Tandem | FIN | 35:11:36 | 2 | ||
| Basenji | Bernie | Barge | M | San Miguel | California | USA | USA | 2007 Furnace Creek 508 | 47 | Two Tandem | FIN | 35:11:36 | 8 | HOF | |
| Basenji | Brenda | Barnell | F | Dallas | Texas | USA | USA | 2007 Furnace Creek 508 | 42 | Two Tandem | FIN | 35:11:36 | 5 | HOF | |
| Basenji | Tim | Skipper | M | Castaic | California | USA | USA | 2007 Furnace Creek 508 | 50 | Two Tandem | FIN | 35:11:36 | 8 | HOF | |
| Basilisk | Brent | Blough | M | Lakewood | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 42 | Two Man | FIN | 30:00:00 | 1 | ||
| Basilisk | Kevin | Shea | M | Buena Park | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 53 | Two Man | FIN | 30:00:00 | 1 | ||
| Bat | Beverly | Anderson-Abbs | F | USA | USA | 1995 Furnace Creek 508 | 30 | Four Woman | FIN | 27:31:10 | Course Record: Open Format | 1 | |||
| Bat | Lynnette | Ross | F | USA | USA | 1995 Furnace Creek 508 | N/A | Four Woman | FIN | 27:31:10 | Course Record: Open Format | 1 | |||
| Bat | Marlee | Sondgeroth | F | Arizona | USA | USA | 1995 Furnace Creek 508 | 33 | Four Woman | FIN | 27:31:10 | Course Record: Open Format | 2 | ||
| Bat | Theresa | Whalen | F | Carlsbad | California | USA | USA | 1995 Furnace Creek 508 | 24 | Four Woman | FIN | 27:31:10 | Course Record: Open Format | 1 | |
| Bat Falcon | Ricardo | Ornelas | M | San Dimas | California | USA | USA | 2017 Silver State 508 | 44 | Solo | DNF | ||||
| Batula | Sean | Cuddihy | M | Long Beach | California | USA | USA | 2005 Furnace Creek 508 | 36 | Two Man | FIN | 35:01:20 | 6 | HOF | |
| Batula | Barnes | Steven | M | Rimforest | California | USA | USA | 2005 Furnace Creek 508 | 48 | Two Man | FIN | 35:01:20 | 1 | ||
| Bear | Gary | Baierl | M | Los Angles | California | USA | USA | 2000 Furnace Creek 508 | 33 | Solo | FIN | 41:44:44 | 12 | HOF | |
| Bear | Gary | Baierl | M | Poway | California | USA | USA | 2006 Furnace Creek 508 | 39 | Solo | FIN | 37:05:56 | 12 | HOF | |
| Bear | Gary | Baierl | M | Lake Forest | California | USA | USA | 2007 Furnace Creek 508 | 40 | Solo | FIN | 35:18:05 | 12 | HOF | |
| Bear | Gary | Baierl | M | Lake Forest | California | USA | USA | 2009 Furnace Creek 508 | 42 | Solo | FIN | 40:24:12 | 12 | HOF | |
| Bear | Gary | Baierl | M | Lake Forest | California | USA | USA | 2010 Furnace Creek 508 | 43 | Solo | FIN | 39:35:23 | 12 | HOF | |
| Bear | Gary | Baierl | M | Lake Forest | California | USA | USA | 2012 Furnace Creek 508 | 45 | Solo Recumbent | FIN | 41:25:56 | 12 | HOF | |
| Bear | Gary | Baierl | M | Lake Forest | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 46 | Solo Recumbent | FIN | 28:58:00 | 12 | HOF | |
| Bear Dog | David | Goldberg | M | Fort Collins | Colorado | USA | USA | 2011 Furnace Creek 508 | 51 | Solo | FIN | 42:52:41 | 1 | ||
| Bearded Walrus | Greg | Shotts | M | The Woodlands | Texas | USA | USA | 2024 Silver State 508 | N/A | Solo Randonneur | DNF | ||||
| Beast | Scot | Harvey | M | Glendora | California | USA | USA | 2011 Furnace Creek 508 | 42 | Two Mixed | FIN | 33:07:59 | 2 | ||
| Beast | Stephanie | Harvey | F | Glendora | California | USA | USA | 2011 Furnace Creek 508 | 40 | Two Mixed | FIN | 33:07:59 | 1 | ||
| Beast Boy | Mark | Zacarias | M | San Gabriel | California | USA | USA | 2016 Silver State 508 | 43 | Solo | FIN | 45:00:00 | 2 | ||
| Beaver | Steve | Born | M | Thousand Oaks | California | USA | USA | October 1987 RAAM Open West | 28 | Solo | FIN | 35:31:00 | 4 | ||
| Beaver | Steve | Born | M | USA | USA | 1994 Furnace Creek 508 | 35 | Solo | FIN | 31:09:22 | 4 | ||||
| Beaver | Steve | Born | M | Ketchum | Idaho | USA | USA | 1999 Furnace Creek 508 | 40 | Solo | FIN | 30:57:41 | 4 | ||
| Beaver | Steve | Born | M | Whitefish | Montana | USA | USA | 2002 Furnace Creek 508 | 43 | Solo | FIN | 40:16:34 | Double 508=82:16:34 | 4 | |
| Beefmaster | Chris | Davies | M | Campbell | California | USA | USA | 2016 Silver State 508 | 48 | Solo Randonneur | FIN | 46:20:00 | 1 | ||
| Beerded Dragon | Deirdre | Mann | F | Whittier | California | USA | USA | 2019 Silver State 508 | 44 | Four Mixed Open | FIN | 28:45:22 | 2 | ||
| Beerded Dragon | Robert | Mann | M | Whittier | California | USA | USA | 2019 Silver State 508 | 42 | Four Mixed Open | FIN | 28:45:22 | 2 | ||
| Beerded Dragon | Colin | Stokes | M | Irvine | California | USA | USA | 2019 Silver State 508 | 53 | Four Mixed Open | FIN | 28:45:22 | 4 | ||
| Beerded Dragon | Julie | Stokes | F | Irvine | California | USA | USA | 2019 Silver State 508 | 50 | Four Mixed Open | FIN | 28:45:22 | 1 | ||
| Bees | Leslie | Campbell | M | California | USA | USA | 1993 Furnace Creek 508 | 48 | Four Man | FIN | 30:15:14 | 2 | |||
| Bees | Herb | Fitzpatrick | M | California | USA | USA | 1993 Furnace Creek 508 | 37 | Four Man | FIN | 30:15:14 | 1 | |||
| Bees | Randal | Mayer | M | California | USA | USA | 1993 Furnace Creek 508 | 33 | Four Man | FIN | 30:15:14 | 1 | |||
| Bees | Chris | Simmons | M | California | USA | USA | 1993 Furnace Creek 508 | 23 | Four Man | FIN | 30:15:14 | 1 | |||
| Bees | Leslie | Campbell | M | Nuevo | California | USA | USA | 2011 Furnace Creek 508 | 66 | Four Man | FIN | 41:55:32 | 2 | ||
| Bees | John | Johnston | M | Culver City | California | USA | USA | 2011 Furnace Creek 508 | 61 | Four Man | FIN | 41:55:32 | 2 | ||
| Bees | Robert | Martzolff | M | Temecula | California | USA | USA | 2011 Furnace Creek 508 | 61 | Four Man | FIN | 41:55:32 | 2 | ||
| Bees | Mike | Sinnott | M | Menifee | California | USA | USA | 2011 Furnace Creek 508 | 63 | Four Man | FIN | 41:55:32 | 1 | ||
| Beetle | Barclay | Brown | M | Alpharetta | Georgia | USA | USA | 1999 Furnace Creek 508 | 41 | Solo Recumbent | DNF | TS5 - overheated | 2 | ||
| Beetle | Barclay | Brown | M | Martinez | California | USA | USA | 2000 Furnace Creek 508 | 43 | Solo Recumbent | FIN | 40:49:31 | Established a new course record | 2 | |
| Beetle | Barclay | Brown | M | Carlsbad | California | USA | USA | 2002 Furnace Creek 508 | 44 | Solo | FIN | 45:54:25 | 2 | ||
| Belgian Draft Horse | James Jason | Ingels | M | Orlando | Florida | USA | USA | 2015 Silver State 508 | 41 | Solo | FIN | 46:40:37 | 1 | ||
| Beluga | Sam | Baugh | M | Clinton | Missouri | USA | USA | 2002 Furnace Creek 508 | 44 | Solo | FIN | 36:06:55 | New Qual. | 2 | |
| Beluga | Sam | Baugh | M | Clinton | Missouri | USA | USA | 2003 Furnace Creek 508 | 45 | Solo | FIN | 31:53:22 | 2 | ||
| Bengal Tiger | Reinier | Geyser | M | Las Vegas | Nevada | USA | South Africa | 2011 Furnace Creek 508 | 35 | Solo | FIN | 43:58:43 | 1 | ||
| Betta Fish | Mary | Betts | F | Surrey | British Columbia | Canada | Canada | 2009 Furnace Creek 508 | 51 | Solo | DNF | ||||
| Betta Fish | Mary | Betts | F | Surrey | British Columbia | Canada | Canada | 2011 Furnace Creek 508 | 53 | Solo | DNF | ||||
| Big Mouth Frog | Jeffrey | Montgomery | M | Fallon | Nevada | USA | USA | 2012 Furnace Creek 508 | 40 | Solo | FIN | 43:23:20 | 1 | ||
| Big Red Dog | Ken | Stamm | M | Lake Havasu City | Arizona | USA | USA | 2012 Furnace Creek 508 | 66 | Solo | FIN | 41:46:26 | 1 | ||
| Bighorn | Ken | Bell | M | Roseville | California | USA | USA | 1993 Furnace Creek 508 | 45 | Tandem Mixed | FIN | 37:34:05 | 3rd Solo Finish | 3 | |
| Bighorn | Sue | Doss | F | Foresthill | California | USA | USA | 1993 Furnace Creek 508 | 32 | Tandem Mixed | FIN | 37:34:05 | 3rd Solo Finish | 1 | |
| Bikezilla | Noel | Nabor | M | Los Angeles | California | USA | Philippines | 2017 Silver State 508 | 55 | Solo | FIN | 45:18:00 | 1 | ||
| Bikezilla | Noel | Nabor | M | Los Angeles | California | USA | Philippines | 2018 Silver State 508 | 56 | Solo | DNF | 1 | |||
| Bikezilla | Noel | Nabor | M | Los Angeles | California | USA | USA | 2019 Silver State 508 | 57 | Solo | DNF | 1 | |||
| Bilby | Bob | Beede | M | Arcata | California | USA | USA | 2004 Furnace Creek 508 | 51 | Solo | FIN | 41:59:07 | 1 | ||
| Billy Goat | Billy | Edwards | M | Boulder | Colorado | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 36 | Solo | FIN | 18:21:00 | 1 | ||
| Bird Dog | John | Culligan | M | Salinas | California | USA | USA | 2017 Silver State 508 | 54 | Four Man | FIN | 31:22:00 | 6 | HOF | |
| Bird Dog | Jeff | Lindenthal | M | Salinas | California | USA | USA | 2017 Silver State 508 | 58 | Four Man | FIN | 31:22:00 | 7 | HOF | |
| Bird Dog | Dennis | Spencer | M | Salinas | California | USA | USA | 2017 Silver State 508 | 57 | Four Man | FIN | 31:22:00 | 7 | HOF | |
| Bird Dog | Bill | Zimmerman | M | Carmel Valley | California | USA | USA | 2017 Silver State 508 | 66 | Four Man | FIN | 31:22:00 | 18 | HOF | |
| Bird Dog | John | Culligan | M | Salinas | California | USA | USA | 2018 Silver State 508 | 55 | Four Man | FIN | 32:45:30 | 6 | HOF | |
| Bird Dog | Jeff | Lindenthal | M | Salinas | California | USA | USA | 2018 Silver State 508 | 59 | Four Man | FIN | 32:45:30 | 7 | HOF | |
| Bird Dog | Dennis | Spencer | M | Salinas | California | USA | USA | 2018 Silver State 508 | 58 | Four Man | FIN | 32:45:30 | 7 | HOF | |
| Bird Dog | Bill | Zimmerman | M | Carmel Valley | California | USA | USA | 2018 Silver State 508 | 67 | Four Man | FIN | 32:45:30 | 18 | HOF | |
| Bird Dog | John | Culligan | M | Salinas | California | USA | USA | 2019 Silver State 508 | 56 | Four Man | FIN | 34:28:24 | 6 | HOF | |
| Bird Dog | Tom | Johnson | M | Pelham | Alabama | USA | USA | 2019 Silver State 508 | 63 | Four Man | FIN | 34:28:24 | 2 | ||
| Bird Dog | Dennis | Spencer | M | Salinas | California | USA | USA | 2019 Silver State 508 | 59 | Four Man | FIN | 34:28:24 | 7 | HOF | |
| Bird Dog | Bill | Zimmerman | M | Carmel Valley | California | USA | USA | 2019 Silver State 508 | 68 | Four Man | FIN | 34:28:24 | 18 | HOF | |
| Bird Dog | Craig | Hahn | M | Park City | Utah | USA | USA | 2024 Silver State 508 | N/A | Four Man Open | FIN | 35:46:10 | 7 | HOF | |
| Bird Dog | Tom | Johnson | M | Pelham | Alabama | USA | USA | 2024 Silver State 508 | N/A | Four Man Open | FIN | 35:46:10 | 2 | ||
| Bird Dog | Andy | Lee | M | Salt Lake City | Utah | USA | USA | 2024 Silver State 508 | N/A | Four Man Open | FIN | 35:46:10 | 5 | HOF | |
| Bird Dog | Bill | Zimmerman | M | Carmel Valley | California | USA | USA | 2024 Silver State 508 | N/A | Four Man Open | FIN | 35:46:10 | 18 | HOF | |
| Bison | Gregory W. | Giltner | M | USA | USA | 1997 Furnace Creek 508 | 26 | Four Man | DNF | 1 | |||||
| Bison | Mike | Marotta | M | Bakersfield | California | USA | USA | 1997 Furnace Creek 508 | N/A | Four Man | DNF | 1 | |||
| Bison | Kerry | Ryan | M | Bakersfield | California | USA | USA | 1997 Furnace Creek 508 | 38 | Four Man | DNF | 5 | HOF | ||
| Bison | Mike | Wracher | M | Bakersfield | California | USA | USA | 1997 Furnace Creek 508 | 35 | Four Man | DNF | 2 | |||
| Bison | Gregory W. | Giltner | M | Bakersfield | California | USA | USA | 1998 Furnace Creek 508 | 27 | Four Man | FIN | 24:17:40 | 2nd team finish | 1 | |
| Bison | Mike | Marotta | M | Bakersfield | California | USA | USA | 1998 Furnace Creek 508 | N/A | Four Man | FIN | 24:17:40 | 2nd team finish | 1 | |
| Bison | Kerry | Ryan | M | Bakersfield | California | USA | USA | 1998 Furnace Creek 508 | 39 | Four Man | FIN | 24:17:40 | 2nd team finish | 5 | HOF |
| Bison | Pat | Tafoya | M | Bakersfield | California | USA | USA | 1998 Furnace Creek 508 | 39 | Four Man | FIN | 24:17:40 | 2nd team finish | 3 | |
| Bison | Norm | Hoffman | M | Bakersfield | California | USA | USA | 1999 Furnace Creek 508 | 58 | Four Man | FIN | 23:26:30 | 2 | ||
| Bison | Ron | Jones | M | Bakersfield | California | USA | USA | 1999 Furnace Creek 508 | 39 | Four Man | FIN | 23:26:30 | 6 | HOF | |
| Bison | Kerry | Ryan | M | Bakersfield | California | USA | USA | 1999 Furnace Creek 508 | 40 | Four Man | FIN | 23:26:30 | 5 | HOF | |
| Bison | Mike | Wracher | M | Santa Barbara | California | USA | USA | 1999 Furnace Creek 508 | 37 | Four Man | FIN | 23:26:30 | 2 | ||
| Bison | Chris | Hahn | M | Santa Barbara | California | USA | USA | 2003 Furnace Creek 508 | 40 | Four Man | FIN | 23:46:40 | 1 | ||
| Bison | Kerry | Ryan | M | Bakersfield | California | USA | USA | 2003 Furnace Creek 508 | 44 | Four Man | FIN | 23:46:40 | 5 | HOF | |
| Bison | Pat | Tafoya | M | Redwood City | California | USA | USA | 2003 Furnace Creek 508 | 44 | Four Man | FIN | 23:46:40 | 3 | ||
| Bison | Mike | Wracher | M | Santa Barbara | California | USA | USA | 2003 Furnace Creek 508 | 41 | Four Man | FIN | 23:46:40 | 2 | ||
| Black Angus Cow | Scott | Kollins | M | Durham | North Carolina | USA | USA | 2008 Furnace Creek 508 | 39 | Two Man | FIN | 30:22:36 | 5 | HOF | |
| Black Angus Cow | Keith | Weitz | M | Durham | North Carolina | USA | USA | 2008 Furnace Creek 508 | 40 | Two Man | FIN | 30:22:36 | 5 | HOF | |
| Black Angus Cow | Scott | Kollins | M | Durham | North Carolina | USA | USA | 2009 Furnace Creek 508 | 40 | Two Man | DNF | 5 | HOF | ||
| Black Angus Cow | Keith | Weitz | M | Durham | North Carolina | USA | USA | 2009 Furnace Creek 508 | 40 | Two Man | DNF | 5 | HOF | ||
| Black Angus Cow | Scott | Kollins | M | Durham | North Carolina | USA | USA | 2011 Furnace Creek 508 | 42 | Two Man | FIN | 32:33:56 | 5 | HOF | |
| Black Angus Cow | Keith | Weitz | M | Durham | North Carolina | USA | USA | 2011 Furnace Creek 508 | 43 | Two Man | FIN | 32:33:56 | 5 | HOF | |
| Black Angus Cow | Bob | Hartman | M | San Diego | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 65 | Four Man | FIN | 23:17:00 | 1 | ||
| Black Angus Cow | Scott | Kollins | M | Durham | North Carolina | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 44 | Four Man | FIN | 23:17:00 | 5 | HOF | |
| Black Angus Cow | Tim | Layland | M | Denver | Colorado | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 36 | Four Man | FIN | 23:17:00 | 1 | ||
| Black Angus Cow | Keith | Weitz | M | Durham | North Carolina | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 45 | Four Man | FIN | 23:17:00 | 5 | HOF | |
| Black Angus Cow | Scott | Kollins | M | Durham | North Carolina | USA | USA | 2014 Silver State 508 | 45 | Two Man | FIN | 33:33:00 | 5 | HOF | |
| Black Angus Cow | Keith | Weitz | M | Durham | North Carolina | USA | USA | 2014 Silver State 508 | 46 | Two Man | FIN | 33:33:00 | 5 | HOF | |
| Black Angus Cow | Scott | Kollins | M | Durham | North Carolina | USA | USA | 2016 Silver State 508 | 46 | Two Man | FIN | 33:25:00 | 5 | HOF | |
| Black Angus Cow | Keith | Weitz | M | Durham | North Carolina | USA | USA | 2016 Silver State 508 | 49 | Two Man | FIN | 33:25:00 | 5 | HOF | |
| Black Bear | Ed | Kross | M | Veteran | Massachusetts | USA | USA | 2003 Furnace Creek 508 | 44 | Solo | FIN | 35:32:17 | 1 | ||
| Black Cat | Arden | Olson | M | Cumming | Georgia | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 52 | Solo | FIN | 26:01:00 | 1 | ||
| Black Foot Ferret | Alex | McManigill | M | Palo Alto | California | USA | USA | 2006 Furnace Creek 508 | 37 | Solo | DNF | ||||
| Black Mamba | Stanford | Smith | M | wellesley | Maine | USA | USA | 2012 Furnace Creek 508 | 55 | Solo | FIN | 44:17:38 | 1 | ||
| Black Monkey | Fabio Cavalheiro | Silvestri | M | Uberlandia | Minas Gerais | Brazil | Brazil | 2016 Silver State 508 | 38 | Solo | DNF | 2 | |||
| Black Panther | Donna | Nice | F | San Jose | California | USA | USA | 2007 Furnace Creek 508 | 38 | Two Mixed | FIN | 32:58:57 | 2 | ||
| Black Panther | Michael | Pyle | M | San Jose | California | USA | USA | 2007 Furnace Creek 508 | 40 | Two Mixed | FIN | 32:58:57 | 1 | ||
| Black Panther | Donna | Nice | F | San Jose | California | USA | USA | 2009 Furnace Creek 508 | 41 | Solo | DNF | 2 | |||
| Black Puma | Emilio | Bantigue | M | La Palma | California | USA | Philippines | 2017 Silver State 508 | 52 | Solo | FIN | 43:26:00 | 1 | ||
| Black Rhino | Chris | Calimano | M | Staten Island | New York | USA | USA | 2019 Silver State 508 | 38 | Solo | FIN | 41:20:51 | 1 | ||
| Black Scorpion | Jeff | Henley | M | Glendora | California | USA | USA | 2011 Furnace Creek 508 | 41 | Four Man | FIN | 31:58:59 | 6 | HOF | |
| Black Scorpion | John | Hewitt | M | Alto Loma | California | USA | USA | 2011 Furnace Creek 508 | 49 | Four Man | FIN | 31:58:59 | 6 | HOF | |
| Black Scorpion | Rick | Reddell | M | Rancho Cucamonga | California | USA | USA | 2011 Furnace Creek 508 | 44 | Four Man | FIN | 31:58:59 | 6 | HOF | |
| Black Scorpion | Mike | Wepplo | M | Alta Loma | California | USA | USA | 2011 Furnace Creek 508 | 47 | Four Man | FIN | 31:58:59 | 1 | ||
| Black Sheep | Daniel | Jensen | M | Sioux Falls | South Dakota | USA | USA | 2010 Furnace Creek 508 | 61 | Solo | DNF | ||||
| Black Sheep | Daniel | Jensen | M | Sioux Falls | South Dakota | USA | USA | 2011 Furnace Creek 508 | 62 | Solo | DNF | ||||
| Black Viper | Jeff | Ambio | M | Irvine | California | USA | USA | 2017 Silver State 508 | 41 | Solo | FIN | 42:11:00 | 1 | ||
| Black Widows | Marvis | Friesen | F | Bakersfield | California | USA | USA | 2001 Furnace Creek 508 | 54 | Four Woman | FIN | 30:21:00 | course record | 3 | |
| Black Widows | Judy | Reed | F | Bakersfield | California | USA | USA | 2001 Furnace Creek 508 | 58 | Four Woman | FIN | 30:21:00 | course record | 1 | |
| Black Widows | Vickie | Rigby | F | Bakersfield | California | USA | USA | 2001 Furnace Creek 508 | 50 | Four Woman | FIN | 30:21:00 | course record | 4 | |
| Black Widows | Joanne | Rosenthal | F | Bakersfield | California | USA | USA | 2001 Furnace Creek 508 | 43 | Four Woman | FIN | 30:21:00 | course record | 1 | |
| Black-Backed Jackal | Benjamin | Fichialos | M | Pleasant Grove | Utah | USA | USA | 2020 Silver State 508 | 47 | Solo Randonneur | DNS | ||||
| Black-Capped Chickadee | Todd | Baum | M | Fayetteville | New York | USA | USA | 2007 Furnace Creek 508 | 49 | Solo | DNF | ||||
| Black-Tailed Jackrabbit | Steven | Tiede | M | Bishop | California | USA | USA | 2011 Furnace Creek 508 | 56 | Solo | DNF | 1 | |||
| Blackbird | Jack | Bochsler | M | San Diego | California | USA | USA | 2003 Furnace Creek 508 | 43 | Solo | FIN | 38:53:52 | 1 | ||
| Blandy Dragons | Blake | Bader | M | Turlock | California | USA | USA | 2006 Furnace Creek 508 | 45 | Tandem Mixed | FIN | 47:22:02 | 1 | ||
| Blandy Dragons | Sandy | Mohr-Bader | F | Turlock | California | USA | USA | 2006 Furnace Creek 508 | 41 | Tandem Mixed | FIN | 47:22:02 | 1 | ||
| Blerch | Brass | Jason | M | Reno | Nevada | USA | USA | 2016 Silver State 508 | 41 | Two Man | FIN | 37:46:00 | 1 | ||
| Blerch | David | Machen | M | Reno | Nevada | USA | USA | 2016 Silver State 508 | 62 | Two Man | FIN | 37:46:00 | 4 | ||
| Blerch | Jason | Brass | M | Reno | Nevada | USA | USA | 2017 Silver State 508 | 42 | Four Man | FIN | 34:12:00 | 1 | ||
| Blerch | Paul | Gammel | M | Reno | Nevada | USA | USA | 2017 Silver State 508 | 49 | Four Man | FIN | 34:12:00 | 1 | ||
| Blerch | David | Machen | M | Reno | Nevada | USA | USA | 2017 Silver State 508 | 63 | Four Man | FIN | 34:12:00 | 4 | ||
| Blerch | Nicholas | Root | M | Reno | Nevada | USA | USA | 2017 Silver State 508 | 19 | Four Man | FIN | 34:12:00 | 1 | ||
| Blerch | Jesse | Adams | M | Reno | Nevada | USA | USA | 2018 Silver State 508 | 44 | Four Man | FIN | 33:26:29 | 1 | ||
| Blerch | Jeff | Foster | M | Reno | Nevada | USA | USA | 2018 Silver State 508 | 44 | Four Man | FIN | 33:26:29 | 1 | ||
| Blerch | David | Machen | M | Reno | Nevada | USA | USA | 2018 Silver State 508 | N/A | Four Man | FIN | 33:26:29 | 4 | ||
| Blerch | John | VanGilst | M | Upland | California | USA | USA | 2018 Silver State 508 | 18 | Four Man | FIN | 33:26:29 | 2 | ||
| Blerch | Bernardo | Bur | M | Houston | Texas | USA | USA | 2022 Silver State 508 | N/A | Four Man | FIN | 34:31:00 | 1 | ||
| Blerch | David | Machen | M | Reno | Nevada | USA | USA | 2022 Silver State 508 | 68 | Four Man | FIN | 34:31:00 | 4 | ||
| Blerch | Ric | Schrank | M | Virginia City | Nevada | USA | USA | 2022 Silver State 508 | 56 | Four Man | FIN | 34:31:00 | 2 | ||
| Blerch | Quentin | Thompson | M | Spring | Texas | USA | USA | 2022 Silver State 508 | N/A | Four Man | FIN | 34:31:00 | 1 | ||
| Bloodhound | Paul | Harris | M | Westlake Village | California | USA | USA | 2009 Furnace Creek 508 | 42 | Four Man | FIN | 28:59:29 | 5 | HOF | |
| Bloodhound | Marcus | McKinnen | M | Thousand Oaks | California | USA | USA | 2009 Furnace Creek 508 | 23 | Four Man | FIN | 28:59:29 | 2 | ||
| Bloodhound | Kurt | Pickle | M | Santa Rosa | California | USA | USA | 2009 Furnace Creek 508 | 39 | Four Man | FIN | 28:59:29 | 7 | HOF | |
| Bloodhound | Chad | Smith | M | Alamo | California | USA | USA | 2009 Furnace Creek 508 | 39 | Four Man | FIN | 28:59:29 | 6 | HOF | |
| Bloodhound | Paul | Harris | M | Westlake Village | California | USA | USA | 2010 Furnace Creek 508 | 43 | Four Man | FIN | 28:39:44 | 5 | HOF | |
| Bloodhound | Marcus | McKinnen | M | Thousand Oaks | California | USA | USA | 2010 Furnace Creek 508 | 24 | Four Man | FIN | 28:39:44 | 2 | ||
| Bloodhound | Kurt | Pickle | M | Santa Rosa | California | USA | USA | 2010 Furnace Creek 508 | 40 | Four Man | FIN | 28:39:44 | 7 | HOF | |
| Bloodhound | Chad | Smith | M | Alamo | California | USA | USA | 2010 Furnace Creek 508 | 40 | Four Man | FIN | 28:39:44 | 6 | HOF | |
| Bloodhound | Paul | Harris | M | Thousand Oaks | California | USA | USA | 2011 Furnace Creek 508 | 44 | Four Man | FIN | 27:08:33 | 5 | HOF | |
| Bloodhound | Soren | Krebs | M | Santa Monica | California | USA | Denmark | 2011 Furnace Creek 508 | 47 | Four Man | FIN | 27:08:33 | 1 | ||
| Bloodhound | Kurt | Pickle | M | Santa Rosa | California | USA | USA | 2011 Furnace Creek 508 | 41 | Four Man | FIN | 27:08:33 | 7 | HOF | |
| Bloodhound | Chad | Smith | M | Danville | California | USA | USA | 2011 Furnace Creek 508 | 41 | Four Man | FIN | 27:08:33 | 6 | HOF | |
| Bloodhound | Chad | Smith | M | Danville | California | USA | USA | 2012 Furnace Creek 508 | 42 | Two Man | DNF | 6 | HOF | ||
| Bloodhound | David | Weise | M | Thousand Oaks | California | USA | USA | 2012 Furnace Creek 508 | 45 | Two Man | DNF | 2 | |||
| Bloodhound | Cameron | Birky | M | Pleasant Hill | California | USA | USA | 2014 Silver State 508 | 44 | Four Man | FIN | 27:55:00 | 1 | ||
| Bloodhound | Paul | Harris | M | Westlake Village | California | USA | USA | 2014 Silver State 508 | 47 | Four Man | FIN | 27:55:00 | 5 | HOF | |
| Bloodhound | Kurt | Pickle | M | Santa Rosa | California | USA | USA | 2014 Silver State 508 | 44 | Four Man | FIN | 27:55:00 | 7 | HOF | |
| Bloodhound | Chad | Smith | M | Danville | California | USA | USA | 2014 Silver State 508 | 44 | Four Man | FIN | 27:55:00 | 6 | HOF | |
| Blowfish | Andrew | Bohannon | M | USA | USA | 1995 Furnace Creek 508 | 33 | Solo | FIN | 31:50:30 | 5 | HOF | |||
| Blowfish | Andrew | Bohannon | M | California | USA | USA | 1997 Furnace Creek 508 | 35 | Solo | FIN | 32:40:30 | 2nd solo finish | 5 | HOF | |
| Blowfish | Andrew | Bohannon | M | Suunyvale | California | USA | USA | 2000 Furnace Creek 508 | 38 | Solo | FIN | 31:17:57 | 5 | HOF | |
| Blowfish | Andrew | Bohannon | M | Sunnyvale | California | USA | USA | 2003 Furnace Creek 508 | 41 | Solo | FIN | 29:19:18 | 5 | HOF | |
| Blowfish | Andrew | Bohannon | M | Sunnyvale | California | USA | USA | 2005 Furnace Creek 508 | 44 | Solo | FIN | 28:05:03 | 5 | HOF | |
| Blue Cookie Monster | Bruce D. | Adams, Jr. | M | French Camp | California | USA | USA | 2007 Furnace Creek 508 | 60 | Solo | DNF | ||||
| Blue Dasher | Lisa | Johnson | F | Citrus Heights | California | USA | USA | 2014 Silver State 508 | 50 | Solo | FIN | 43:48:00 | 3 | ||
| Blue Dog | John | Jurczynski | M | Holderness | New Hampshire | USA | USA | 2003 Furnace Creek 508 | 46 | Solo | FIN | 44:59:55 | 2 | ||
| Blue Dog | John | Jurczynski | M | Holderness | New Hampshire | USA | USA | 2006 Furnace Creek 508 | 49 | Solo | FIN | 35:11:24 | 2 | ||
| Blue Footed Booby | Megan | Dean | F | Los Angeles | California | USA | USA | 2008 Furnace Creek 508 | 24 | Four Woman Fixed Gear | FIN | 32:28:05 | 5 | HOF | |
| Blue Footed Booby | Jennifer | Greenberg | F | Los Angeles | California | USA | USA | 2008 Furnace Creek 508 | 23 | Four Woman Fixed Gear | FIN | 32:28:05 | 1 | ||
| Blue Footed Booby | Jay | Nadeau | F | Los Angeles | California | USA | Canada | 2008 Furnace Creek 508 | 37 | Four Woman Fixed Gear | FIN | 32:28:05 | 3 | ||
| Blue Footed Booby | Beatriz | Rodriguez | F | Los Angeles | California | USA | USA | 2008 Furnace Creek 508 | 21 | Four Woman Fixed Gear | FIN | 32:28:05 | 1 | ||
| Blue Footed Booby | Megan | Dean | F | Los Angeles | California | USA | USA | 2012 Furnace Creek 508 | 28 | Two Woman Fixed Gear | FIN | 36:55:35 | 5 | HOF | |
| Blue Footed Booby | Jay | Nadeau | F | Altadena | California | USA | USA | 2012 Furnace Creek 508 | 41 | Two Woman Fixed Gear | FIN | 36:55:35 | 3 | ||
| Blue Fox | Andreas | Boesch | M | Bern | Switzerland | Switzerland | 2002 Furnace Creek 508 | 32 | Solo | FIN | 31:42:54 | Pre. Qual. | 1 | ||
| Blue Frog | Patrice | Pellerin | M | Lachine | Quebec | Canada | Canada | 2009 Furnace Creek 508 | 50 | Solo | FIN | 40:20:45 | 7 | HOF | |
| Blue Frog | Christian | Godin | M | Rosemere | Quebec | Canada | Canada | 2010 Furnace Creek 508 | 52 | Four Man | FIN | 34:24:07 | 2 | ||
| Blue Frog | Patrice | Pellerin | M | Lachine | Quebec | Canada | Canada | 2010 Furnace Creek 508 | 51 | Four Man | FIN | 34:24:07 | 7 | HOF | |
| Blue Frog | Jonathan | Suzuki | M | Vancouver | British Columbia | Canada | Canada | 2010 Furnace Creek 508 | 41 | Four Man | FIN | 34:24:07 | 1 | ||
| Blue Frog | Jean-Guy | Violette | M | Fredericton | New Brunswick | Canada | Canada | 2010 Furnace Creek 508 | 54 | Four Man | FIN | 34:24:07 | 2 | ||
| Blue Frog | Dany | Bonneville | M | St-Hilaire | Quebec | Canada | Canada | 2011 Furnace Creek 508 | 46 | Two Man | FIN | 33:44:22 | 4 | ||
| Blue Frog | Patrice | Pellerin | M | Lachine | Quebec | Canada | Canada | 2011 Furnace Creek 508 | 52 | Two Man | FIN | 33:44:22 | 7 | HOF | |
| Blue Frog | Patrice | Pellerin | M | Beaconsfield | Quebec | Canada | Canada | 2012 Furnace Creek 508 | 53 | Two Man | FIN | 32:09:48 | 7 | HOF | |
| Blue Frog | Charles | Rodrigue | M | St-Augustin | Quebec | Canada | Canada | 2012 Furnace Creek 508 | 50 | Two Man | FIN | 32:09:48 | 3 | ||
| Blue Frog | Patrice | Pellerin | M | Beaconsfield | Quebec | Canada | Canada | 2013 Furnace Creek 508, AKA Trona 353 | 54 | Two Man | FIN | 22:48:00 | 7 | HOF | |
| Blue Frog | Charles | Rodrigue | M | St-Augustin | Quebec | Canada | Canada | 2013 Furnace Creek 508, AKA Trona 353 | 51 | Two Man | FIN | 22:48:00 | 3 | ||
| Blue Frog | Patrice | Pellerin | M | Beaconsfield | Quebec | Canada | Canada | 2014 Silver State 508 | 55 | Two Man | FIN | 33:31:00 | 7 | HOF | |
| Blue Frog | Charles | Rodrigue | M | St-Augustin-de-Desmaures | Quebec | Canada | Canada | 2014 Silver State 508 | 52 | Two Man | FIN | 33:31:00 | 3 | ||
| Blue Frog | Pascal | Chevrier | M | St-Lazare | Quebec | Canada | Canada | 2015 Silver State 508 | 45 | Two Man | FIN | 30:09:34 | 1 | ||
| Blue Frog | Patrice | Pellerin | M | Lachine | Quebec | Canada | Canada | 2015 Silver State 508 | 56 | Two Man | FIN | 30:09:34 | 7 | HOF | |
| Blue Macaw | Daniela | Genovesi | F | Rio de Janeiro | Brazil | Brazil | 2016 Silver State 508 | 48 | Solo | DNF | |||||
| Blue Morpho Butterfly | Annie | Ellis | F | Mill Valley | California | USA | USA | 2002 Furnace Creek 508 | 24 | Solo | DNF | ||||
| Blue Racer | John | Schlitter | M | Saint Petersburg | Florida | USA | USA | 2011 Furnace Creek 508 | 55 | Solo Recumbent | FIN | 34:04:31 | 2 | ||
| Blue Whale | Raghu | Belur | M | Los Altos Hills | California | USA | USA | 2009 Furnace Creek 508 | 42 | Four Man | FIN | 39:55:16 | 4 | ||
| Blue Whale | Chris | Eisenbarth | M | El Granada | California | USA | Germany | 2009 Furnace Creek 508 | 53 | Four Man | FIN | 39:55:16 | 5 | HOF | |
| Blue Whale | Kevin | Fitzpatrick | M | Alameda | California | USA | USA | 2009 Furnace Creek 508 | 48 | Four Man | FIN | 39:55:16 | 3 | ||
| Blue Whale | Donald | Turner | M | Mill Valley | California | USA | USA | 2009 Furnace Creek 508 | 48 | Four Man | FIN | 39:55:16 | 5 | HOF | |
| Blue Whale | Chris | Eisenbarth | M | El Granada | California | USA | Germany | 2010 Furnace Creek 508 | 54 | Four Man | FIN | 36:25:35 | 5 | HOF | |
| Blue Whale | Kevin | Fitzpatrick | M | Alameda | California | USA | USA | 2010 Furnace Creek 508 | 49 | Four Man | FIN | 36:25:35 | 3 | ||
| Blue Whale | Alex | Plumb | M | Alameda | California | USA | USA | 2010 Furnace Creek 508 | 52 | Four Man | FIN | 36:25:35 | 1 | ||
| Blue Whale | Donald | Turner | M | Mill Valley | California | USA | USA | 2010 Furnace Creek 508 | 49 | Four Man | FIN | 36:25:35 | 5 | HOF | |
| Blue Whale | Raghu | Belur | M | Los Altos Hills | California | USA | USA | 2011 Furnace Creek 508 | 44 | Four Man | FIN | 33:33:30 | 4 | ||
| Blue Whale | Chris | Eisenbarth | M | Half Moon Bay | California | USA | USA | 2011 Furnace Creek 508 | 55 | Four Man | FIN | 33:33:30 | 5 | HOF | |
| Blue Whale | Eric | Scalera | M | San Francisco | California | USA | USA | 2011 Furnace Creek 508 | 51 | Four Man | FIN | 33:33:30 | 1 | ||
| Blue Whale | Donald | Turner | M | Mill Valley | California | USA | USA | 2011 Furnace Creek 508 | 50 | Four Man | FIN | 33:33:30 | 5 | HOF | |
| Blue Whale | Raghu | Belur | M | Los Altos Hills | California | USA | USA | 2012 Furnace Creek 508 | 45 | Four Man | FIN | 34:22:10 | 4 | ||
| Blue Whale | Chris | Eisenbarth | M | El Granada | California | USA | Germany | 2012 Furnace Creek 508 | 55 | Four Man | FIN | 34:22:10 | 5 | HOF | |
| Blue Whale | Greg | Steele | M | Santa Rosa | California | USA | USA | 2012 Furnace Creek 508 | 51 | Four Man | FIN | 34:22:10 | 1 | ||
| Blue Whale | Donald | Turner | M | APO | AP | South Korea | USA | 2012 Furnace Creek 508 | 51 | Four Man | FIN | 34:22:10 | 5 | HOF | |
| Blue Whale | Raghu | Belur | M | Los Altos Hills | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 46 | Four Man | FIN | 25:19:00 | 4 | ||
| Blue Whale | Chris | Eisenbarth | M | El Granada | California | USA | Germany | 2013 Furnace Creek 508, AKA Trona 353 | 57 | Four Man | FIN | 25:19:00 | 5 | HOF | |
| Blue Whale | Kevin | Fitzpatrick | M | Alameda | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 52 | Four Man | FIN | 25:19:00 | 3 | ||
| Blue Whale | Donald | Turner | M | APO | Armed Forces Pacific | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 52 | Four Man | FIN | 25:19:00 | 5 | HOF | |
| Bluebird | John T. | Clare | M | Long Beach | California | USA | USA | 2002 Furnace Creek 508 | 61 | Four Man | FIN | 29:35:41 | 5 | HOF | |
| Bluebird | Tim | Hegarty | M | Chandler | Arizona | USA | USA | 2002 Furnace Creek 508 | 47 | Four Man | FIN | 29:35:41 | 1 | ||
| Bluebird | Robert | Lewis | M | Phoenix | Arizona | USA | USA | 2002 Furnace Creek 508 | 57 | Four Man | FIN | 29:35:41 | 1 | ||
| Bluebird | Brad | Wingate | M | Tempe | Arizona | USA | USA | 2002 Furnace Creek 508 | 41 | Four Man | FIN | 29:35:41 | 1 | ||
| Bluejay | Jeff | Born | M | California | USA | USA | 1990 October RAAM Open West | 36 | Solo | DNF | 1 | ||||
| Bluejay | Jeff | Born | M | California | USA | USA | 1991 October Furnace Creek 508 | 37 | Solo | FIN | 33:49:55 | 1 | |||
| Bluejay | Jeff | Born | M | California | USA | USA | 1993 Furnace Creek 508 | 39 | Solo | DNF | 1 | ||||
| Bluejay | Jeff | Born | M | California | USA | USA | 1996 Furnace Creek 508 | 42 | Solo | DNF | 1 | ||||
| Bluejay | Jeff | Born | M | Kenwood | California | USA | USA | 2005 Furnace Creek 508 | 51 | Solo | DNF | 1 | |||
| Boar | Barley | Forsman | M | San Rafael | California | USA | USA | 2004 Furnace Creek 508 | 33 | Solo Fixed Gear | FIN | 38:24:00 | 1 | ||
| Bobcat | Robert | Babbitt | M | USA | USA | 1993 Furnace Creek 508 | N/A | Solo | DNF | ||||||
| Bobolink | Bobbi | Fisher | F | Burbank | California | USA | USA | 2008 Furnace Creek 508 | 60 | Solo | DNF | 3 | |||
| Bobolink | Bobbi | Fisher | F | Chengdu | CA | China | USA | 2009 Furnace Creek 508 | 61 | Solo | DNF | 3 | |||
| Bobolink | Bobbi | Fisher | F | Chengdu | CA | China | USA | 2010 Furnace Creek 508 | 62 | Solo | DNF | 3 | |||
| Boise Bear | Richard | Nicholson | M | Hutto | Texas | USA | USA | 2019 Silver State 508 | 60 | Solo | DNF | ||||
| BoneDog | David | Fischer | M | Santa Barbara | California | USA | USA | 2007 Furnace Creek 508 | 45 | Two Man | FIN | 28:25:27 | 1 | ||
| BoneDog | Steve | LaChaine | M | Atascadero | California | USA | USA | 2007 Furnace Creek 508 | 40 | Two Man | FIN | 28:25:27 | 3 | ||
| BoneDog | Steve | LaChaine | M | Atascadero | California | USA | USA | 2008 Furnace Creek 508 | 41 | Two Man | FIN | 28:22:02 | 3 | ||
| BoneDog | Mike | Lewis | M | Paso Robles | California | USA | USA | 2008 Furnace Creek 508 | 50 | Two Man | FIN | 28:22:02 | 3 | ||
| BoneDog | Steve | LaChaine | M | Atascadero | California | USA | USA | 2009 Furnace Creek 508 | 42 | Solo | DNF | 3 | |||
| Bonedog | Mike | Lewis | M | Paso Robles | California | USA | USA | 2012 Furnace Creek 508 | 54 | Solo | FIN | 29:52:19 | 3 | ||
| BoneDog 2 | Mike | Lewis | M | Paso Robles | California | USA | USA | 2010 Furnace Creek 508 | 52 | Solo | DNF | 3 | |||
| Bonedog 2 | Mike | Lewis | M | Paso Robles | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 55 | Solo | FIN | 21:58:00 | 3 | ||
| Bongo | Michael | Head | M | San Mateo | California | USA | USA | 2006 Furnace Creek 508 | 36 | Solo | FIN | 37:15:07 | 1 | ||
| Bonobo | Brian | Davidson | M | El Segundo | California | USA | USA | 2006 Furnace Creek 508 | 28 | Four Man Fixed Gear | FIN | 32:23:35 | 5 | HOF | |
| Bonobo | Megan | Dean | F | Los Angeles | California | USA | USA | 2006 Furnace Creek 508 | 22 | Four Man Fixed Gear | FIN | 32:23:35 | 5 | HOF | |
| Bonobo | Maxwell | Lucas | M | Manhattan Beach | California | USA | USA | 2006 Furnace Creek 508 | 22 | Four Man Fixed Gear | FIN | 32:23:35 | 2 | ||
| Bonobo | Matt | Ruscigno | M | Los Angeles | California | USA | USA | 2006 Furnace Creek 508 | 28 | Four Man Fixed Gear | FIN | 32:23:35 | 5 | HOF | |
| Bonobo | Brian | Davidson | M | Hawthorne | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 35 | Four Man Fixed Gear | FIN | 24:37:00 | 5 | HOF | |
| Bonobo | Megan | Dean | F | Las Vegas | Nevada | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 29 | Four Man Fixed Gear | FIN | 24:37:00 | 5 | HOF | |
| Bonobo | Maxwell | Lucas | M | Manhattan Beach | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 29 | Four Man Fixed Gear | FIN | 24:37:00 | 2 | ||
| Bonobo | Matt | Ruscigno | M | San Diego | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 35 | Four Man Fixed Gear | FIN | 24:37:00 | 5 | HOF | |
| Boondock Kid | Francis | Avecilla | M | Santa Monica | California | USA | USA | 2019 Silver State 508 | 58 | Solo | FIN | 44:51:00 | 4 | ||
| Boondock Kid | Francis | Avecilla | M | Santa Monica | California | USA | USA | 2022 Silver State 508 | 62 | Solo Randonneur | DNF | 4 | |||
| Border Collie | Chris | Hopkinson | M | Derbyshire | United Kingdom | United Kingdom | 2004 Furnace Creek 508 | 36 | Solo | FIN | 38:48:30 | 1 | |||
| Border-line Collie | Marshall | Nord | M | York | South Carolina | USA | USA | 2019 Silver State 508 | 53 | Solo Randonneur | FIN | 43:06:16 | 2 | ||
| Borderline Collie | Marshall | Nord | M | Rock Hill | South Carolina | USA | USA | 2022 Silver State 508 | 56 | Solo Randonneur | FIN | 40:13:00 | 2 | ||
| Boreal Owl | Peter | Oyler | M | Toronto | Ontario | Canada | Canada | 2010 Furnace Creek 508 | 40 | Solo | FIN | 31:59:29 | 2 | ||
| Borracho Burro | Ed | Hladek | M | Las Vegas | Nevada | USA | USA | 2010 Furnace Creek 508 | 45 | Solo | FIN | 43:46:50 | 11 | HOF | |
| Borracho Burro | Ed | Hladek | M | Las Vegas | Nevada | USA | USA | 2023 Silver State 508 | N/A | Solo | FIN | 40:47:43 | 11 | HOF | |
| Borracho Dipper | Ed | Hladek | M | Las Vegas | Nevada | USA | USA | 2019 Silver State 508 | 54 | Two Man | FIN | 34:14:14 | 11 | HOF | |
| Borracho Dipper | Todd | Nelson | M | Pleasanton | California | USA | USA | 2019 Silver State 508 | 56 | Two Man | FIN | 34:14:14 | 7 | HOF | |
| Borracho Sloth | Ed | Hladek | M | Las Vegas | Nevada | USA | USA | 2017 Silver State 508 | 52 | Two Man | FIN | 29:54:00 | 11 | HOF | |
| Borracho Sloth | Erik | Skramstad | M | Boulder City | Nevada | USA | USA | 2017 Silver State 508 | 39 | Two Man | FIN | 29:54:00 | 8 | HOF | |
| Borracho Unicorn | Tracy | Fisher | F | Henderson | Nevada | USA | USA | 2024 Silver State 508 | N/A | Two Mixed Open | FIN | 35:11:00 | 5 | HOF | |
| Borracho Unicorn | Todd | Nelson | M | Pleasanton | California | USA | USA | 2024 Silver State 508 | N/A | Two Mixed Open | FIN | 35:11:00 | 7 | HOF | |
| Borzoi | Mark | Dolginoff | M | Henderson | Nevada | USA | USA | 2010 Furnace Creek 508 | 60 | Solo | FIN | 46:40:28 | 1 | ||
| Boundless Beaver | Simon | Donato | M | Canmore | Alberta | Canada | Canada | 2013 Furnace Creek 508, AKA Trona 353 | 37 | Solo | FIN | 25:12:00 | TP | 1 | |
| Bradan | Bob | Redmond | M | Petaluma | California | USA | USA | 2006 Furnace Creek 508 | 47 | Solo | FIN | 36:45:45 | 1 | ||
| Brahma Bull-et | Peter | Bajema | M | USA | USA | 1998 Furnace Creek 508 | 35 | Solo | FIN | 40:29:46 | 1 | ||||
| Brindle Boxer | Tyson R. | Kinnick | M | Tucson | Arizona | USA | USA | 2004 Furnace Creek 508 | 29 | Solo | FIN | 43:33:57 | 1 | ||
| British Bee | Jonathan | Spencer-Jones | M | Marlow | United Kingdom | United Kingdom | 2015 Silver State 508 | 52 | Solo | FIN | 34:29:38 | 1 | |||
| British Bull Dogs | Peter | Dowhan | M | Acton | California | USA | USA | 2003 Furnace Creek 508 | 51 | Two Man | FIN | 34:56:44 | 2 | ||
| British Bull Dogs | Warren | James | M | El Cajon | California | USA | USA | 2003 Furnace Creek 508 | 53 | Two Man | FIN | 34:56:44 | 1 | ||
| British Red Squirrel | Oliver | Martin | M | Los Angeles | California | USA | USA | 2006 Furnace Creek 508 | 41 | Solo | DNF | ||||
| Brittle Star | Dana | Bradshaw | M | USA | USA | 1995 Furnace Creek 508 | 32 | Solo | FIN | 33:21:20 | 2 | ||||
| Brittle Star | Dana | Bradshaw | M | USA | USA | 1996 Furnace Creek 508 | 33 | Solo | FIN | 37:10:14 | 2nd solo finish | 2 | |||
| Brittle Star | Dana | Bradshaw | M | USA | USA | 1997 Furnace Creek 508 | 34 | Solo | DNF | 2 | |||||
| Brontosaurus | Bevan | Barton | M | Piedmont | California | USA | USA | 2003 Furnace Creek 508 | 16 | Solo | FIN | 42:37:38 | Youngest Ever Finisher! | 2 | |
| Brontosaurus | Bevan | Barton | M | Piedmont | California | USA | USA | 2008 Furnace Creek 508 | 21 | Two Man | FIN | 39:54:44 | 2 | ||
| Brontosaurus | Dennis | Barton | M | Piedmont | California | USA | USA | 2008 Furnace Creek 508 | 58 | Two Man | FIN | 39:54:44 | 1 | ||
| Brooklyn Beast | Charles | Olson | M | Brooklyn | New York | USA | USA | 2010 Furnace Creek 508 | 45 | Solo | FIN | 41:37:55 | 2 | ||
| Brooklyn Beast | Charles | Olson | M | Brooklyn | New York | USA | USA | 2011 Furnace Creek 508 | 46 | Solo | DNF | 2 | |||
| Brooklyn Beast | Charles | Olson | M | Brooklyn | New York | USA | USA | 2012 Furnace Creek 508 | 47 | Solo | FIN | 47:28:15 | 2 | ||
| Brooklyn Beast | Charles | Olson | M | Brooklyn | New York | USA | USA | 2024 Silver State 508 | N/A | Solo | DNF | 2 | |||
| Brown Bear | Jeff | Bell | M | San Francisco | California | USA | USA | 1993 Furnace Creek 508 | 34 | Solo | FIN | 40:39:02 | 1 | ||
| Brown Bear | Jeff | Bell | M | USA | USA | 1994 Furnace Creek 508 | 35 | Solo | DNF | 1 | |||||
| Brown Bear | Jeff | Bell | M | USA | USA | 1995 Furnace Creek 508 | 36 | Solo | DNF | 1 | |||||
| Brown Rhino | Philip | Auriemma | M | Fremont | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 46 | Two Mixed | FIN | 25:55:00 | 2 | ||
| Brown Rhino | Rita | Garcia | F | Miramar | Wellington | New Zealand | USA | 2013 Furnace Creek 508, AKA Trona 353 | 40 | Two Mixed | FIN | 25:55:00 | 1 | ||
| Brown Rhino | Philip | Auriemma | M | Fremont | California | USA | USA | 2014 Silver State 508 | 47 | Solo | FIN | 46:25:00 | 2 | ||
| Brown Rhino | Philip | Auriemma | M | Fremont | California | USA | USA | 2015 Silver State 508 | 48 | Solo | DNF | 2 | |||
| Brown Rhino | Philip | Auriemma | M | Fremont | California | USA | USA | 2016 Silver State 508 | 49 | Solo | DNF | 2 | |||
| Brown Rhino | Philip | Auriemma | M | Fremont | California | USA | USA | 2018 Silver State 508 | 51 | Solo Randonneur | DNF | 2 | |||
| Bubba Shrimp | Jeff | Stephens | M | Ohio | USA | USA | 1998 Furnace Creek 508 | 37 | Solo | FIN | 43:01:25 | 2 | |||
| Bubba Shrimp | Jeff | Stephens | M | Worthington | Ohio | USA | USA | 2002 Furnace Creek 508 | 41 | Solo | FIN | 39:40:58 | Pre. Qual. | 2 | |
| Bucefalos | Pedro | Morganti | M | Sao Paulo | São Paulo | Brazil | USA | 2025 The 508 | 62 | Solo | DNF | 1 | |||
| Bucephalus | Pedro | Morganti | M | Sao Paolo | Sao Paolo | Brazil | Brazil | 2019 Silver State 508 | 56 | Solo | FIN | 39:14:27 | 1 | ||
| Buffalo | Norm | Hoffman | M | Bakersfield | California | USA | USA | 1994 Furnace Creek 508 | 53 | Four Man | FIN | 23:51:30 | 2 | ||
| Buffalo | Tim | LaFromboise | M | Bakersfield | California | USA | USA | 1994 Furnace Creek 508 | N/A | Four Man | FIN | 23:51:30 | 2 | ||
| Buffalo | Kerry | Ryan | M | Bakersfield | California | USA | USA | 1994 Furnace Creek 508 | 35 | Four Man | FIN | 23:51:30 | 5 | HOF | |
| Buffalo | David | Wiggins | M | Bakersfield | California | USA | USA | 1994 Furnace Creek 508 | N/A | Four Man | FIN | 23:51:30 | 2 | ||
| Buffalo | Tim | LaFromboise | M | Bakersfield | California | USA | USA | 1995 Furnace Creek 508 | N/A | Four Man | FIN | 21:47:12 | Course Record: Open Format, 2nd team finish | 2 | |
| Buffalo | Kerry | Ryan | M | Bakersfield | California | USA | USA | 1995 Furnace Creek 508 | 36 | Four Man | FIN | 21:47:12 | Course Record: Open Format, 2nd team finish | 5 | HOF |
| Buffalo | Pat | Tafoya | M | Bakersfield | California | USA | USA | 1995 Furnace Creek 508 | 36 | Four Man | FIN | 21:47:12 | Course Record: Open Format, 2nd team finish | 3 | |
| Buffalo | David | Wiggins | M | Bakersfield | California | USA | USA | 1995 Furnace Creek 508 | N/A | Four Man | FIN | 21:47:12 | Course Record: Open Format, 2nd team finish | 2 | |
| Bugs Bunny | Paul | Carpenter | M | Batavia | Illinois | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 54 | Solo | FIN | 25:45:00 | 2 | ||
| Bulbul | Richard | Dones | M | Cerritos | California | USA | Philippines | 2021 Silver State 508 | 48 | Four Man Open | FIN | 44:00:00 | Originally Saturday 15:45:00 | 2 | |
| Bulbul | Lester | Hofilena | M | Mission Hills | California | USA | USA | 2021 Silver State 508 | 54 | Four Man Open | FIN | 44:00:00 | Originally Saturday 15:45:00 | 1 | |
| Bulbul | Francis-marlon | Ignacio | M | duarte | California | USA | USA | 2021 Silver State 508 | 54 | Four Man Open | FIN | 44:00:00 | Originally Saturday 15:45:00 | 6 | HOF |
| Bulbul | Joseph | Leon | M | Monterey Park | California | USA | USA | 2021 Silver State 508 | 60 | Four Man Open | FIN | 44:00:00 | Originally Saturday 15:45:00 | 1 | |
| Bulbul | Pete | Primavera | M | Duarte | California | USA | USA | 2021 Silver State 508 | 61 | Four Man Open | FIN | 44:00:00 | Originally Saturday 15:45:00 | 1 | |
| Bulbul | Dante | Recio | M | Rowland Heights | California | USA | Philippines | 2021 Silver State 508 | 55 | Four Man Open | FIN | 44:00:00 | Originally Saturday 15:45:00 | 2 | |
| Bulbul | Jesse | Santamaria | M | Norwalk | California | USA | USA | 2021 Silver State 508 | 61 | Four Man Open | FIN | 44:00:00 | Originally Saturday 15:45:00 | 2 | |
| Bulbul | Yann Ly | Vang | F | Glendora | California | USA | China | 2021 Silver State 508 | 49 | Four Man Open | FIN | 44:00:00 | Originally Saturday 15:45:00 | 1 | |
| Bull | William | Brown | M | USA | USA | 1995 Furnace Creek 508 | 36 | Solo | FIN | 43:25:15 | 2 | ||||
| Bull | William | Brown | M | USA | USA | 1996 Furnace Creek 508 | 37 | Solo | FIN | 32:35:59 | 2nd solo finish | 2 | |||
| Bull Shark | Scott | D'Angelo | M | delray beach | Florida | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 47 | Solo | FIN | 28:19:00 | 1 | ||
| Bulldog | Michael | Secrest | M | Scottsdale | Arizona | USA | USA | 1983 John Marino Open | 30 | Solo | FIN | 54:49:00 | 1 | ||
| Bulldog | Michael | Secrest | M | Scottsdale | Arizona | USA | USA | 2008 Furnace Creek 508 | 55 | Solo | DNF | 1 | |||
| Bumble Bee | Anna Catharina | Berge | F | Visalia | California | USA | USA | 2001 Furnace Creek 508 | 35 | Solo | FIN | 31:58:00 | 2nd solo overall; RQ | 6 | HOF |
| Bumble Bee | Anna Catharina | Berge | F | Pullman | Washington | USA | Sweden | 2008 Furnace Creek 508 | 42 | Solo | FIN | 29:43:01 | 6 | HOF | |
| Bumble Skipper | Anna Catharina | Berge | F | Visalia | California | USA | Sweden | 2006 Furnace Creek 508 | 40 | Two Mixed | FIN | 28:49:39 | 6 | HOF | |
| Bumble Skipper | Paul | McKenzie | M | Richmond | California | USA | USA | 2006 Furnace Creek 508 | 52 | Two Mixed | FIN | 28:49:39 | 5 | HOF | |
| Bunny | Fabio | Biasiolo | M | Venice | Italy | Italy | 2000 Furnace Creek 508 | 39 | Solo | DNF | |||||
| Bunny | Fabio | Biasiolo | M | Venice | Italy | Italy | 2001 Furnace Creek 508 | 40 | Solo | DNF | cramps | ||||
| Burrowing owl | Elizabeth | Sharpe | F | San Francisco | California | USA | USA | 2023 Silver State 508 | N/A | Solo Randonneur Recumbent | DNF | ||||
| Bush Baby | Robert | Brudvik | M | Edmonds | Washington | USA | USA | 2002 Furnace Creek 508 | 46 | Solo | FIN | 43:11:42 | 5 | HOF | |
| Bush Baby | Robert | Brudvik | M | Edmonds | Washington | USA | USA | 2011 Furnace Creek 508 | 55 | Solo | FIN | 38:54:10 | 5 | HOF | |
| Bush Baby | Robert | Brudvik | M | Edmonds | Washington | USA | USA | 2012 Furnace Creek 508 | 57 | Solo | FIN | 42:54:37 | 5 | HOF | |
| Bush Hound | Robert | Brudvik | M | Edmonds | Washington | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 58 | Two Man | FIN | 23:35:00 | 5 | HOF | |
| Bush Hound | James | McKee | M | Seattle | Washington | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 44 | Two Man | FIN | 23:35:00 | 2 | ||
| Bush Plankton | Robert | Brudvik | M | Edmonds | Washington | USA | USA | 2003 Furnace Creek 508 | 47 | Two Man | FIN | 31:11:05 | 5 | HOF | |
| Bush Plankton | John Shannon | Wagoner | M | Corte Madera | California | USA | USA | 2003 Furnace Creek 508 | 38 | Two Man | FIN | 31:11:05 | 3 | ||
| Bush Vipers | Trever | Bushnell | M | Phoenix | Arizona | USA | USA | 2005 Furnace Creek 508 | 39 | Four Man | FIN | 29:25:55 | 1 | ||
| Bush Vipers | Craig | Long | M | Mesa | Arizona | USA | USA | 2005 Furnace Creek 508 | 45 | Four Man | FIN | 29:25:55 | 1 | ||
| Bush Vipers | Art | Macfarland | M | Chandler | Arizona | USA | USA | 2005 Furnace Creek 508 | 43 | Four Man | FIN | 29:25:55 | 1 | ||
| Bush Vipers | Greg | Rozzell | M | Gilbert | Arizona | USA | USA | 2005 Furnace Creek 508 | 41 | Four Man | FIN | 29:25:55 | 1 | ||
| Bushbuck | Andries | Botha | M | Grimshaw | Alberta | Canada | Canada | 1998 Furnace Creek 508 | 46 | Solo | DNF | 2 | |||
| Bushbuck | Andries | Botha | M | Grimshaw | Alberta | Canada | Canada | 1999 Furnace Creek 508 | 47 | Solo | DNF | TS2 - ? | 2 | ||
| Bushbuck | Andries | Botha | M | Grimshaw | Alberta | Canada | Canada | 2000 Furnace Creek 508 | 48 | Solo | DNF | 2 | |||
| Bushbuck | Andries | Botha | M | Grimshaw | Canada | Canada | 2002 Furnace Creek 508 | 50 | Solo | DNF | 2 | ||||
| Bushbuck | Andries | Botha | M | Grimshaw | Alberta | Canada | Canada | 2008 Furnace Creek 508 | 56 | Solo | FIN | 46:34:09 | 2 | ||
| Bushbuck | Andries | Botha | M | Grimshaw | Alberta | Canada | Canada | 2009 Furnace Creek 508 | 57 | Solo | DNF | 2 | |||
| Bushbuck | Andries | Botha | M | Grimshaw | Alberta | Canada | Canada | 2010 Furnace Creek 508 | 58 | Solo | FIN | 45:53:50 | 2 | ||
| Bushmaster | David | Morken | M | Chapel Hill | North Carolina | USA | USA | 2012 Furnace Creek 508 | 43 | Two Man | FIN | 27:16:02 | 1 | ||
| Bushmaster | John | Murdock | M | Cary | North Carolina | USA | USA | 2012 Furnace Creek 508 | 47 | Two Man | FIN | 27:16:02 | 1 | ||
| Butterfly | Andi | Ramer | F | San Diego | California | USA | USA | 2009 Furnace Creek 508 | 36 | Solo | DNF | 3 | |||
| Butterfly | Andi | Ramer | F | San Diego | California | USA | USA | 2010 Furnace Creek 508 | 37 | Solo | FIN | 46:29:22 | 3 | ||
| Butterfly | Andi | Ramer | F | San Diego | California | USA | USA | 2011 Furnace Creek 508 | 38 | Solo | FIN | 40:41:39 | 3 | ||
| Buzzard | Luigi | Barisone | M | Montecastello | Italy | Italy | 2008 Furnace Creek 508 | 34 | Solo | FIN | 45:05:03 | 1 | |||
| Cactus Wren | Dennis | Culley | M | Chandler | Arizona | USA | USA | 2001 Furnace Creek 508 | 28 | Solo | FIN | 42:34:00 | 1 | ||
| Caiman | Marshall | Chesser | M | Amarillo | Texas | USA | USA | 2007 Furnace Creek 508 | 32 | Two Man | FIN | 38:48:31 | 1 | ||
| Caiman | William | Pratt-Steele | M | Canyon | Texas | USA | USA | 2007 Furnace Creek 508 | 53 | Two Man | FIN | 38:48:31 | 4 | ||
| California Condor | Merrick | Cohn | M | Camarillo | California | USA | USA | 2002 Furnace Creek 508 | 32 | Solo | FIN | 44:27:20 | 1 | ||
| California Kingsnake | Carlo | Facchino | M | Santa Clara | California | USA | USA | 2008 Furnace Creek 508 | 33 | Solo | FIN | 37:30:27 | 1 | ||
| California Regular Newt | Russ | McBride | M | Albany | California | USA | USA | 2005 Furnace Creek 508 | 37 | Solo | DNF | ||||
| Camel | Maureen | Bowman | F | USA | USA | 1997 Furnace Creek 508 | N/A | Four Mixed | FIN | 31:41:32 | 1 | ||||
| Camel | Terry | Hutt | M | California | USA | USA | 1997 Furnace Creek 508 | 40 | Four Mixed | FIN | 31:41:32 | 1 | |||
| Camel | Bob | Lugo | M | USA | USA | 1997 Furnace Creek 508 | 45 | Four Mixed | FIN | 31:41:32 | 1 | ||||
| Camel | Virginia | Lugo | F | USA | USA | 1997 Furnace Creek 508 | 38 | Four Mixed | FIN | 31:41:32 | 1 | ||||
| Canadian Geese | Scott | Boyle | M | Georgetown | Ontario | Canada | Canada | 1993 Furnace Creek 508 | N/A | Four Man | FIN | 25:13:08 | 1 | ||
| Canadian Geese | Richard | Browne | M | Toronto | Ontario | Canada | Canada | 1993 Furnace Creek 508 | N/A | Four Man | FIN | 25:13:08 | 1 | ||
| Canadian Geese | Les | Glennie | M | Ontario | Canada | Canada | 1993 Furnace Creek 508 | N/A | Four Man | FIN | 25:13:08 | 1 | |||
| Canadian Geese | Mike | Stirling | M | Elliot Lake | Ontario | Canada | Canada | 1993 Furnace Creek 508 | N/A | Four Man | FIN | 25:13:08 | 1 | ||
| Canadian Lynx | James | Weir | M | Toronto | Ontario | Canada | Canada | 2011 Furnace Creek 508 | 43 | Two Man | FIN | 31:29:31 | 2 | ||
| Canadian Lynx | Jim | Weir | M | Toronto | Ontario | Canada | Canada | 2011 Furnace Creek 508 | 48 | Two Man | FIN | 31:29:31 | 1 | ||
| Canadian Lynx | Robert | Tavener | M | Toronto | Ontario | Canada | Canada | 2013 Furnace Creek 508, AKA Trona 353 | 45 | Two Man | FIN | 21:51:00 | 1 | ||
| Canadian Lynx | James | Weir | M | Toronto | Ontario | Canada | Canada | 2013 Furnace Creek 508, AKA Trona 353 | 50 | Two Man | FIN | 21:51:00 | 2 | ||
| Canadian Turtle | Caroline | van den Bulk | F | Huntsville | Ontario | Canada | Canada | 2007 Furnace Creek 508 | 40 | Solo | FIN | 44:43:57 | 1 | ||
| Candiru | Ed | Kleban | M | Denver | Colorado | USA | USA | 2005 Furnace Creek 508 | 41 | Four Man | DNF | 1 | |||
| Candiru | Larry | Salaz | M | Valencia | California | USA | USA | 2005 Furnace Creek 508 | 48 | Four Man | DNF | ||||
| Candiru | Brennis | Wagoner | F | Woodland Hills | California | USA | USA | 2005 Furnace Creek 508 | 63 | Four Man | DNF | 2 | |||
| Candiru | James | Wagoner | M | Woodland Hills | California | USA | USA | 2005 Furnace Creek 508 | 65 | Four Man | DNF | 2 | |||
| Canis Latrans | Shane | Trotter | M | Carson City | Nevada | USA | USA | 2019 Silver State 508 | 36 | Solo | FIN | 28:18:04 | 5 | HOF | |
| Canus Latrans | Tyler | Hughes | M | Creston | Nebraska | USA | USA | 2023 Silver State 508 | N/A | Four Man | FIN | 21:51:00 | 1 | ||
| Canus Latrans | Mark | Kolding | M | Carson City | Nevada | USA | USA | 2023 Silver State 508 | N/A | Four Man | FIN | 21:51:00 | 2 | ||
| Canus Latrans | Joshua | Rushing | M | Reno | Nevada | USA | USA | 2023 Silver State 508 | N/A | Four Man | FIN | 21:51:00 | 1 | ||
| Canus Latrans | Shane | Trotter | M | Carson City | Nevada | USA | USA | 2023 Silver State 508 | N/A | Four Man | FIN | 21:51:00 | 5 | HOF | |
| Cao de Agua | Ken | Shoemaker | M | Los Altos Hills | California | USA | USA | 2012 Furnace Creek 508 | 54 | Two Man | FIN | 36:49:14 | 5 | HOF | |
| Cao de Agua | Paul | Vlasveld | M | San Jose | California | USA | USA | 2012 Furnace Creek 508 | 53 | Two Man | FIN | 36:49:14 | 13 | HOF | |
| Cao de Agua | David | Hartson | M | Sunland | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 58 | Two Man | FIN | 25:38:00 | 1 | ||
| Cao de Agua | Paul | Vlasveld | M | San Jose | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 54 | Two Man | FIN | 25:38:00 | 13 | HOF | |
| Cao de Agua | Ken | Shoemaker | M | Los Altos Hills | California | USA | USA | 2014 Silver State 508 | 56 | Two Man | FIN | 35:02:00 | 5 | HOF | |
| Cao de Agua | Paul | Vlasveld | M | San Jose | California | USA | USA | 2014 Silver State 508 | 55 | Two Man | FIN | 35:02:00 | 13 | HOF | |
| Cao De Agua | Ken | Shoemaker | M | Los Altos Hills | California | USA | USA | 2015 Silver State 508 | 57 | Two Man | FIN | 36:43:45 | 5 | HOF | |
| Cao de Agua | Paul | Vlasveld | M | San Jose | California | USA | USA | 2015 Silver State 508 | 56 | Two Man | FIN | 36:43:45 | 13 | HOF | |
| Cao de Agua | Ken | Shoemaker | M | Los Altos Hills | California | USA | USA | 2016 Silver State 508 | 58 | Two Man | FIN | 36:21:00 | 5 | HOF | |
| Cao de Agua | Paul | Vlasveld | M | San Jose | California | USA | USA | 2016 Silver State 508 | 57 | Two Man | FIN | 36:21:00 | 13 | HOF | |
| Cao de Agua | Ken | Shoemaker | M | Los Altos Hills | California | USA | USA | 2017 Silver State 508 | 59 | Two Man | FIN | 38:09:00 | 5 | HOF | |
| Cao De Agua | Paul | Vlasveld | M | San Jose | California | USA | USA | 2017 Silver State 508 | 58 | Two Man | FIN | 38:09:00 | 13 | HOF | |
| Cao de Agua | Sandra | Myers | F | Diablo | California | USA | USA | 2018 Silver State 508 | 60 | Four Mixed | DNF | 2 | |||
| Cao de Agua | Ken | Shoemaker | M | Los Altos Hills | California | USA | USA | 2018 Silver State 508 | 60 | Four Mixed | DNF | 5 | HOF | ||
| Cao de Agua | Dorina | Vaccaroni | F | Fairfax | California | USA | Italy | 2018 Silver State 508 | 54 | Four Mixed | DNF | ||||
| Cao de Agua | Paul | Vlasveld | M | San Jose | California | USA | USA | 2018 Silver State 508 | 59 | Four Mixed | DNF | 13 | HOF | ||
| Capybara | Tom | Culbertson | M | Palo Alto | California | USA | USA | 2007 Furnace Creek 508 | 37 | Four Man | FIN | 32:58:23 | 5 | HOF | |
| Capybara | Mindy | Eiermann | F | La Honda | California | USA | USA | 2007 Furnace Creek 508 | 27 | Four Man | FIN | 32:58:23 | 1 | ||
| Capybara | Patrick | Morriss | M | San Jose | California | USA | USA | 2007 Furnace Creek 508 | 48 | Four Man | FIN | 32:58:23 | 1 | ||
| Capybara | Chad | Thomas | M | San Mateo | California | USA | USA | 2007 Furnace Creek 508 | 36 | Four Man | FIN | 32:58:23 | 1 | ||
| Capybara | Thomas | Barry | M | Redwood City | California | USA | USA | 2008 Furnace Creek 508 | 42 | Two Man | FIN | 39:13:17 | 4 | ||
| Capybara | Tom | Culbertson | M | Palo Alto | California | USA | USA | 2008 Furnace Creek 508 | 38 | Two Man | FIN | 39:13:17 | 5 | HOF | |
| Capybara | Thomas | Barry | M | Redwood City | California | USA | USA | 2009 Furnace Creek 508 | 43 | Two Man | DNF | 4 | |||
| Capybara | Tom | Culbertson | M | Palo Alto | California | USA | USA | 2009 Furnace Creek 508 | 39 | Two Man | DNF | 5 | HOF | ||
| Capybara | Thomas | Barry | M | Redwood City | California | USA | USA | 2011 Furnace Creek 508 | 45 | Two Man | FIN | 35:42:10 | 4 | ||
| Capybara | Tom | Culbertson | M | Palo Alto | California | USA | USA | 2011 Furnace Creek 508 | 41 | Two Man | FIN | 35:42:10 | 5 | HOF | |
| Capybara | Thomas | Barry | M | Earlysville | Virginia | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 47 | Two Man | FIN | 26:46:00 | 4 | ||
| Capybara | Tom | Culbertson | M | Palo Alto | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 43 | Two Man | FIN | 26:46:00 | 5 | HOF | |
| Capybara | Thomas | Barry | M | Earlysville | Virginia | USA | USA | 2015 Silver State 508 | 49 | Two Man | FIN | 39:15:00 | 4 | ||
| Capybara | Tom | Culbertson | M | Earlysville | Virginia | USA | USA | 2015 Silver State 508 | 45 | Two Man | FIN | 39:15:00 | 5 | HOF | |
| Cardinal | Dario | Benavides | M | Palo Alto | California | USA | USA | 2008 Furnace Creek 508 | 40 | Two Mixed | FIN | 30:36:30 | 1 | ||
| Cardinal | Jessica | Ngo | F | Menlo Park | California | USA | USA | 2008 Furnace Creek 508 | 31 | Two Mixed | FIN | 30:36:30 | 1 | ||
| Caretta Caretta | Chris | Cook | M | Cooperstown | New York | USA | USA | 2007 Furnace Creek 508 | 34 | Solo | FIN | 37:30:38 | 2 | ||
| Caretta Caretta | Chris | Cook | M | Fly Creek | New York | USA | USA | 2010 Furnace Creek 508 | 37 | Solo Fixed Gear | FIN | 45:07:02 | 2 | ||
| Caribou | Mike | Moseley | M | Bakersfield | California | USA | USA | 1997 Furnace Creek 508 | 43 | Tandem Men | FIN | 36:45:25 | 2: one solo, one team | 6 | HOF |
| Caribou | Bob | Smith | M | Bakersfield | California | USA | USA | 1997 Furnace Creek 508 | 45 | Tandem Men | FIN | 36:45:25 | 2: one solo, one team | 5 | HOF |
| Carp | Todd | Carpenter | M | Waukesha | Wisconsin | USA | USA | 2010 Furnace Creek 508 | 39 | Solo | FIN | 31:36:32 | 2 | ||
| Carp | Todd | Carpenter | M | Waukesha | Wisconsin | USA | USA | 2012 Furnace Creek 508 | 41 | Solo | FIN | 35:28:15 | 2 | ||
| Cassowary | Nodair | Razi | M | Menlo Park | California | USA | USA | 2016 Silver State 508 | 31 | Two Man | FIN | 26:50:00 | 1 | ||
| Cassowary | Ben | Tomsky | M | San Mateo | California | USA | USA | 2016 Silver State 508 | 38 | Two Man | FIN | 26:50:00 | 1 | ||
| Cat | Angelika | Castaneda | F | San Diego | California | USA | USA | 1999 Furnace Creek 508 | 56 | Solo | FIN | 43:46:40 | RQ | 2 | |
| Caterpillar | Tina | Petersen | F | USA | USA | 1998 Furnace Creek 508 | 39 | Solo | DNF | 1 | |||||
| Cattle Dog | Eric | Meech | M | San Diego | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 44 | Solo | FIN | 26:45:00 | 1 | ||
| CCI Pup | Doug | Levy | M | Willow Grove | Pennsylvania | USA | USA | 2007 Furnace Creek 508 | 53 | Solo | FIN | 36:01:00 | 1 | ||
| Celtic Fox | Joe | Barr | M | Limavady | Londonderry | Ireland | Ireland | 2017 Silver State 508 | 58 | Solo | FIN | 32:50:00 | 1 | ||
| Centaur | Brandon | Bruce | M | Santa Barbara | California | USA | USA | 2003 Furnace Creek 508 | 24 | Solo | FIN | 35:07:03 | 1 | ||
| Centi-speed | John | Beam | M | La Puente | California | USA | USA | 2011 Furnace Creek 508 | 60 | Four Tandem Mixed | FIN | 33:55:54 | 1 | ||
| Centi-speed | Larry | Bott | M | Ventura | California | USA | 2011 Furnace Creek 508 | 61 | Four Tandem Mixed | FIN | 33:55:54 | 1 | |||
| Centi-speed | Linda | Bott | F | Ventura | California | USA | 2011 Furnace Creek 508 | 54 | Four Tandem Mixed | FIN | 33:55:54 | 5 | HOF | ||
| Centi-speed | Lynn | Katano | F | Monterey Park | California | USA | 2011 Furnace Creek 508 | 53 | Four Tandem Mixed | FIN | 33:55:54 | 1 | |||
| Centi-speed | Bruce | Mullins | M | Ventura | California | USA | 2011 Furnace Creek 508 | 55 | Four Tandem Mixed | FIN | 33:55:54 | 1 | |||
| Centi-speed | Anna | Stewart | F | Janesville | California | USA | 2011 Furnace Creek 508 | 50 | Four Tandem Mixed | FIN | 33:55:54 | 2 | |||
| Centi-speed | Rick | Stewart | M | Janesville | California | USA | 2011 Furnace Creek 508 | 53 | Four Tandem Mixed | FIN | 33:55:54 | 2 | |||
| Centi-speed | Justine | Watson | F | Ventura | California | USA | 2011 Furnace Creek 508 | 26 | Four Tandem Mixed | FIN | 33:55:54 | 2 | |||
| Centipede | Roehl | Caragao | M | Bakersfield | California | USA | USA | 1998 Furnace Creek 508 | 35 | Four Tandem Men | FIN | 23:20:00 | 18 | HOF | |
| Centipede | Scott | Garrison | M | Bakersfield | California | USA | USA | 1998 Furnace Creek 508 | 44 | Four Tandem Men | FIN | 23:20:00 | 3 | ||
| Centipede | Ron | Jones | M | Bakersfield | California | USA | USA | 1998 Furnace Creek 508 | 38 | Four Tandem Men | FIN | 23:20:00 | 6 | HOF | |
| Centipede | Mike | Moseley | M | Bakersfield | California | USA | USA | 1998 Furnace Creek 508 | 44 | Four Tandem Men | FIN | 23:20:00 | 6 | HOF | |
| Centipede | Hank | Pfister | M | USA | USA | 1998 Furnace Creek 508 | 45 | Four Tandem Men | FIN | 23:20:00 | 1 | ||||
| Centipede | Curt | Pierce | M | USA | USA | 1998 Furnace Creek 508 | N/A | Four Tandem Men | FIN | 23:20:00 | 1 | ||||
| Centipede | Scott | Rosenlieb | M | USA | USA | 1998 Furnace Creek 508 | 46 | Four Tandem Men | FIN | 23:20:00 | 1 | ||||
| Centipede | Bob | Smith | M | Bakersfield | California | USA | USA | 1998 Furnace Creek 508 | 46 | Four Tandem Men | FIN | 23:20:00 | 5 | HOF | |
| Centipede | Gerald | Ping-Ay | M | Colton | California | USA | USA | 2025 The 508 | 48 | Solo | DNF | ||||
| Cerion | Phillip | Halpern | M | San Diego | California | USA | USA | 2002 Furnace Creek 508 | 49 | Solo | DNF | 1 | |||
| Cerion | Phillip | Halpern | M | San Diego | California | USA | USA | 2003 Furnace Creek 508 | 50 | Solo | FIN | 34:48:28 | 1 | ||
| ChainLynx | Neil | Chua | M | Daly City | California | USA | Philippines | 2021 Silver State 508 | 61 | Four Man Open | FIN | 41:02:19 | 1 | ||
| ChainLynx | Roel | Deang | M | South San Francisco | California | USA | USA | 2021 Silver State 508 | 60 | Four Man Open | FIN | 41:02:19 | 2 | ||
| ChainLynx | Jose I | Osuna T | M | Hayward | California | USA | USA | 2021 Silver State 508 | 34 | Four Man Open | FIN | 41:02:19 | 1 | ||
| ChainLynx | Fernando | Pedregosa | M | Dublin | California | USA | USA | 2021 Silver State 508 | 51 | Four Man Open | FIN | 41:02:19 | 1 | ||
| Chameleon | Colleen | Quinn | F | Los Angeles | California | USA | USA | 1999 Furnace Creek 508 | 24 | Solo | DNF | TS2 - stomach | |||
| Chameleon | Kristina | Beary | F | Aliso Viejo | California | USA | USA | 2022 Silver State 508 | N/A | Two Mixed | FIN | 33:11:00 | 1 | ||
| Chameleon | Roehl | Caragao | M | Fresno | California | USA | USA | 2022 Silver State 508 | 59 | Two Mixed | FIN | 33:11:00 | 18 | HOF | |
| Chamois Suisse | Didier | Ryser | M | Irvine | California | USA | Switzerland | 2014 Trona 308 | 43 | Solo Randonneur | FIN | 23:16:00 | 4 | ||
| Charlotte the Spider | Mark | Burson | M | Thousand Oaks | California | USA | USA | 2008 Furnace Creek 508 | 53 | Solo | DNF | 1 | |||
| Chartreux | Jean-Marc | Velez | M | Le Chesnay | France | France | 2005 Furnace Creek 508 | 43 | Solo | FIN | 34:50:21 | 5 | HOF | ||
| Chartreux | Jean-Marc | Velez | M | Les Chesnay | Ile de France | France | France | 2008 Furnace Creek 508 | 46 | Solo | FIN | 33:18:45 | 5 | HOF | |
| Chartreux | Jean-Marc | Velez | M | Le Chesnay | Ile de France | France | France | 2012 Furnace Creek 508 | 50 | Solo | FIN | 35:46:14 | 5 | HOF | |
| Chartreux | Jean-Marc | Velez | M | Le Chesnay | France | France | 2015 Silver State 508 | 53 | Solo | FIN | 31:59:44 | 5 | HOF | ||
| Chartreux | Jean-Marc | Velez | M | Maurepas | Île-de-France | France | France | 2019 Silver State 508 | 57 | Solo | FIN | 36:24:49 | 5 | HOF | |
| Chase-adon | David | Lee | M | Cardiff | California | USA | USA | 2015 Silver State 508 | 46 | Two Man Recumbent (alt start) | FIN | 49:14:00 | 1 | ||
| Chase-adon | Lance | Weir | M | Carslbad | California | USA | USA | 2015 Silver State 508 | 43 | Two Man Recumbent (alt start) | FIN | 49:14:00 | 1 | ||
| Chase-adon | Anthony | Boyd | M | San Bernadino | California | USA | USA | 2017 Silver State 508 | 54 | Two Man | FIN | 32:13:00 | 9 | HOF | |
| Chase-adon | Rodney | Boyd | M | Laguna Beach | California | USA | USA | 2017 Silver State 508 | 51 | Two Man | FIN | 32:13:00 | 9 | HOF | |
| Chase-adon | Anthony | Boyd | M | San Bernadino | California | USA | USA | 2020 Silver State 508 | 57 | Two Man | FIN | 33:21:19 | 9 | HOF | |
| Chase-adon | Rodney | Boyd | M | Laguna Beach | California | USA | USA | 2020 Silver State 508 | 54 | Two Man | FIN | 33:21:19 | 9 | HOF | |
| Chase-adon 1 | Anthony | Boyd | M | Redlands | California | USA | USA | 2015 Silver State 508 | 52 | Solo | FIN | 49:14:00 | 9 | HOF | |
| Chase-Adon 1 | Anthony | Boyd | M | Redlands | California | USA | USA | 2016 Silver State 508 | 53 | Solo Randonneur | DNF | 9 | HOF | ||
| Chase-adon 2 | Rodney | Boyd | M | Laguna Beach | California | USA | USA | 2015 Silver State 508 | 49 | Solo | FIN | 49:14:00 | 9 | HOF | |
| Chase-adon 3 | Glen | Plake | M | Silver Springs | Nevada | USA | USA | 2015 Silver State 508 | 51 | Solo | FIN | 49:14:00 | 6 | HOF | |
| Chase-adon 4 | Zach | Thorp | M | Redlands | California | USA | USA | 2015 Silver State 508 | 41 | Solo | FIN | 49:14:00 | 1 | ||
| Chasedon | Anthony | Boyd | M | San Bernadino | California | USA | USA | 2021 Silver State 508 | 58 | Two Man | FIN | 33:35:30 | 9 | HOF | |
| Chasedon | Rodney | Boyd | M | Laguna Beach | California | USA | USA | 2021 Silver State 508 | 55 | Two Man | FIN | 33:35:30 | 9 | HOF | |
| Cheetah | James | Chudej | M | New Braunfels | Texas | USA | USA | April 1988 RAAM Open West | 28 | Solo | FIN | 30:03:00 | 1 | ||
| Cheetah | James | Chudej | M | USA | USA | 1991 October Furnace Creek 508 | N/A | Solo | DNF | 1 | |||||
| Cheetah | James | Chudej | M | USA | USA | 1993 Furnace Creek 508 | N/A | Solo | DNF | 1 | |||||
| Chesapeake Bay Retriever | Terry | Lentz | M | Templeton | California | USA | USA | 2007 Furnace Creek 508 | 49 | Solo Fixed Gear | FIN | 30:13:05 | 2 | ||
| Chesapeake Bay Retriever | Terry | Lentz | M | Templeton | California | USA | USA | 2010 Furnace Creek 508 | 52 | Solo Classic | FIN | 29:19:35 | New 50+ AND Classic Bike Records | 2 | |
| Cheshire Kitten | Christopher | Greene | M | Green Valley | Arizona | USA | USA | 2020 Silver State 508 | 73 | Solo | DNS | ||||
| Chicago Bear | Scott | Palka | M | Carlsbad | California | USA | USA | 2014 Trona 308 | 55 | Solo | DNF | ||||
| Chickadee | Carol | Chaffee | F | Arvada | Colorado | USA | USA | 2003 Furnace Creek 508 | 48 | Solo | FIN | 38:38:43 | 2 | ||
| Chickadee | Carol | Chaffee | F | Arvada | Colorado | USA | USA | 2005 Furnace Creek 508 | 50 | Solo | FIN | 33:14:58 | 2 | ||
| Chicken | Allessandro | Colo | M | Rome | Italy | Italy | 2004 Furnace Creek 508 | 43 | Solo | FIN | 36:34:39 | 1 | |||
| Chihuahua | Norberto | Valdes | M | The Woodlands | Texas | USA | USA | 2001 Furnace Creek 508 | 44 | Solo | DNF | ||||
| Chillin Chinchilla | Mancilla | Humberto | M | Lancaster | California | USA | USA | 2018 Silver State 508 | 37 | Solo | DNF | ||||
| Chimera Twins | Didier | Ryser | M | Irvine | California | USA | Switzerland | 2014 Silver State 508 | 44 | Two Man | FIN | 29:27:00 | 4 | ||
| Chimera Twins | Colin | Stokes | M | Mission Viejo | California | USA | USA | 2014 Silver State 508 | 48 | Two Man | FIN | 29:27:00 | 4 | ||
| Chimera Twins | Didier | Ryser | M | Irvine | California | USA | Switzerland | 2015 Silver State 508 | 45 | Two Man | FIN | 28:03:21 | 4 | ||
| Chimera Twins | Colin | Stokes | M | Irvine | California | USA | USA | 2015 Silver State 508 | 49 | Two Man | FIN | 28:03:21 | 4 | ||
| Chimpanzee | Charlie | Marko | M | Sunland | California | USA | USA | 2003 Furnace Creek 508 | 40 | Solo | FIN | 43:38:20 | 4 | ||
| Chinchilla | Carl | Chaney | M | Hanford | California | USA | USA | 2002 Furnace Creek 508 | 26 | Solo | DNF | ||||
| Chinook | Brad | Atencio | M | Richland | Washington | USA | USA | 1999 Furnace Creek 508 | 34 | Four Man | FIN | 29:44:35 | 6 | HOF | |
| Chinook | David | Fischer | M | Kennewick | Washington | USA | USA | 1999 Furnace Creek 508 | 49 | Four Man | FIN | 29:44:35 | 15 | HOF | |
| Chinook | David, Jr. | Fischer | M | Pasco | Washington | USA | USA | 1999 Furnace Creek 508 | 21 | Four Man | FIN | 29:44:35 | 1 | ||
| Chinook | Eli | Kaczynski | M | Kennewick | Washington | USA | USA | 1999 Furnace Creek 508 | 54 | Four Man | FIN | 29:44:35 | 1 | ||
| Chinook | Brad | Atencio | M | Richland | Washington | USA | USA | 2000 Furnace Creek 508 | 36 | Four Man | FIN | 29:29:49 | 6 | HOF | |
| Chinook | Steve | Canaday | M | Pasco | Washington | USA | USA | 2000 Furnace Creek 508 | 53 | Four Man | FIN | 29:29:49 | 2 | ||
| Chinook | David | Fischer | M | Kennewick | Washington | USA | USA | 2000 Furnace Creek 508 | 50 | Four Man | FIN | 29:29:49 | 15 | HOF | |
| Chinook | Bill | Hanf | M | Kennewick | Washington | USA | USA | 2000 Furnace Creek 508 | 51 | Four Man | FIN | 29:29:49 | 5 | HOF | |
| Chinook | David | Fischer | M | Kennewick | Washington | USA | USA | 2001 Furnace Creek 508 | 51 | Two Man | FIN | 33:53:00 | course record | 15 | HOF |
| Chinook | Bill | Hanf | M | Kennewick | Washington | USA | USA | 2001 Furnace Creek 508 | 52 | Two Man | FIN | 33:53:00 | course record | 5 | HOF |
| Chinook | David | Fischer | M | Kennewick | Washington | USA | USA | 2002 Furnace Creek 508 | 52 | Two Man | FIN | 33:04:51 | Record | 15 | HOF |
| Chinook | Bill | Hanf | M | Kennewick | Washington | USA | USA | 2002 Furnace Creek 508 | 53 | Two Man | FIN | 33:04:51 | Record | 5 | HOF |
| Chinook | David | Fischer | M | Kennewick | Washington | USA | USA | 2003 Furnace Creek 508 | 53 | Two Mixed | FIN | 32:22:25 | 15 | HOF | |
| Chinook | Diane | Strycula | F | Burbank | Washington | USA | USA | 2003 Furnace Creek 508 | 42 | Two Mixed | FIN | 32:22:25 | 10 | HOF | |
| Chinook | David | Fischer | M | Kennewick | Washington | USA | USA | 2004 Furnace Creek 508 | 54 | Two Mixed | FIN | 39:35:45 | 15 | HOF | |
| Chinook | Diane | Strycula | F | Burbank | Washington | USA | USA | 2004 Furnace Creek 508 | 43 | Two Mixed | FIN | 39:35:45 | 10 | HOF | |
| Chinook | David | Fischer | M | Kennewick | Washington | USA | USA | 2005 Furnace Creek 508 | 55 | Two Mixed | FIN | 34:13:26 | 15 | HOF | |
| Chinook | Diane | Strycula | F | Burbank | Washington | USA | USA | 2005 Furnace Creek 508 | 44 | Two Mixed | FIN | 34:13:26 | 10 | HOF | |
| Chinook | David | Fischer | M | Kennewick | Washington | USA | USA | 2006 Furnace Creek 508 | 56 | Four Mixed | FIN | 36:46:46 | 15 | HOF | |
| Chinook | Bill | Hanf | M | Kennewick | Washington | USA | USA | 2006 Furnace Creek 508 | 57 | Four Mixed | FIN | 36:46:46 | 5 | HOF | |
| Chinook | Diane | Hanf | F | Kennewick | Washington | USA | USA | 2006 Furnace Creek 508 | 50 | Four Mixed | FIN | 36:46:46 | 3 | ||
| Chinook | Kathy | Mclane | F | Kennewick | Washington | USA | USA | 2006 Furnace Creek 508 | 36 | Four Mixed | FIN | 36:46:46 | 1 | ||
| Chinook | David | Fischer | M | Kennewick | Washington | USA | USA | 2007 Furnace Creek 508 | 57 | Four Mixed | FIN | 36:09:49 | 15 | HOF | |
| Chinook | Bill | Hanf | M | Kennewick | Washington | USA | USA | 2007 Furnace Creek 508 | 58 | Four Mixed | FIN | 36:09:49 | 5 | HOF | |
| Chinook | Diane | Hanf | F | Kennewick | Washington | USA | USA | 2007 Furnace Creek 508 | 51 | Four Mixed | FIN | 36:09:49 | 3 | ||
| Chinook | Diane | Strycula | F | Kennewick | Washington | USA | USA | 2007 Furnace Creek 508 | 46 | Four Mixed | FIN | 36:09:49 | 10 | HOF | |
| Chinook | David | Fischer | M | Kennewick | Washington | USA | USA | 2008 Furnace Creek 508 | 58 | Four Mixed | FIN | 36:13:49 | 15 | HOF | |
| Chinook | Kathy | Fischer | M | Kennewick | Washington | USA | USA | 2008 Furnace Creek 508 | 38 | Four Mixed | FIN | 36:13:49 | 1 | ||
| Chinook | Diane | Hanf | F | Kennewick | Washington | USA | USA | 2008 Furnace Creek 508 | 52 | Four Mixed | FIN | 36:13:49 | 3 | ||
| Chinook | Diane | Strycula | F | Burbank | Washington | USA | USA | 2008 Furnace Creek 508 | 47 | Four Mixed | FIN | 36:13:49 | 10 | HOF | |
| Chinook | David | Baker | M | Kennewick | Washington | USA | USA | 2009 Furnace Creek 508 | 34 | Four Man | FIN | 37:26:10 | 1 | ||
| Chinook | David | Fischer | M | Kennewick | Washington | USA | USA | 2009 Furnace Creek 508 | 59 | Four Man | FIN | 37:26:10 | 15 | HOF | |
| Chinook | Kern | Kosenko | M | Kennewick | Washington | USA | USA | 2009 Furnace Creek 508 | 47 | Four Man | FIN | 37:26:10 | 4 | ||
| Chinook | Diane | Strycula | F | Burbank | Washington | USA | USA | 2009 Furnace Creek 508 | 48 | Four Man | FIN | 37:26:10 | 10 | HOF | |
| Chinook | David | Fischer | M | Kennewick | Washington | USA | USA | 2010 Furnace Creek 508 | 60 | Two Mixed | DNF | 15 | HOF | ||
| Chinook | Diane | Strycula | F | Burbank | Washington | USA | USA | 2010 Furnace Creek 508 | 49 | Two Mixed | DNF | 10 | HOF | ||
| Chinook | David | Fischer | M | Kennewick | Washington | USA | USA | 2011 Furnace Creek 508 | 61 | Four Man | FIN | 38:58:24 | 15 | HOF | |
| Chinook | Brad | Solbrack | M | Kennewick | Washington | USA | USA | 2011 Furnace Creek 508 | 55 | Four Man | FIN | 38:58:24 | 1 | ||
| Chinook | Seth | Solbrack | M | Kennewick | Washington | USA | USA | 2011 Furnace Creek 508 | 26 | Four Man | FIN | 38:58:24 | 2 | ||
| Chinook | Diane | Strycula | F | Burbank | Washington | USA | USA | 2011 Furnace Creek 508 | 50 | Four Man | FIN | 38:58:24 | 10 | HOF | |
| Chinook | David | Fischer | M | Kennewick | Washington | USA | USA | 2012 Furnace Creek 508 | 62 | Two Mixed | FIN | 44:14:11 | 15 | HOF | |
| Chinook | Diane | Strycula | F | Burbank | Washington | USA | USA | 2012 Furnace Creek 508 | 51 | Two Mixed | FIN | 44:14:11 | 10 | HOF | |
| Chinook | David | Fischer | M | Kennewick | Washington | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 63 | Four Mixed | FIN | 26:46:00 | 15 | HOF | |
| Chinook | Csilla | Kuehn | F | Burbank | Washington | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 46 | Four Mixed | FIN | 26:46:00 | 2 | ||
| Chinook | Seth | Solbrack | M | Renton | Washington | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 28 | Four Mixed | FIN | 26:46:00 | 2 | ||
| Chinook | Diane | Strycula | F | Burbank | Washington | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 52 | Four Mixed | FIN | 26:46:00 | 10 | HOF | |
| Chinook | Steve | Canaday | M | Pasco | Washington | USA | USA | 2014 Silver State 508 | 67 | Four Mixed | FIN | 34:58:00 | 2 | ||
| Chinook | David | Fischer | M | Kennewick | Washington | USA | USA | 2014 Silver State 508 | 64 | Four Mixed | FIN | 34:58:00 | 15 | HOF | |
| Chinook | Csilla | Kuehn | F | Burbank | Washington | USA | USA | 2014 Silver State 508 | 47 | Four Mixed | FIN | 34:58:00 | 2 | ||
| Chinook | Diane | Strycula | F | Burbank | Washington | USA | USA | 2014 Silver State 508 | 53 | Four Mixed | FIN | 34:58:00 | 10 | HOF | |
| Chiron | Rick | Sanders | M | Bellevue | Nebraska | USA | USA | 2022 Silver State 508 | 70 | Solo | DNF | ||||
| Chocolate Lab | Kelsey | Regan | F | Ames | Iowa | USA | USA | 2015 Silver State 508 | 24 | Solo Randonneur | FIN | 46:20:55 | 1 | ||
| Chow Chow | Steve | Kreiling | M | Montara | California | USA | USA | 2008 Furnace Creek 508 | 56 | Solo | DNF | ||||
| Chuckasaurs | Mark | Brogan | M | San Jose | California | USA | USA | 2020 Silver State 508 | 56 | Four Mixed Open | FIN | 30:26:47 | 3 | ||
| Chuckasaurs | Sandra | Myers | F | Diablo | California | USA | USA | 2020 Silver State 508 | 62 | Four Mixed Open | FIN | 30:26:47 | 2 | ||
| Chuckasaurs | Charles | Schroyer | M | Morgan Hill | California | USA | USA | 2020 Silver State 508 | 68 | Four Mixed Open | FIN | 30:26:47 | 9 | HOF | |
| Chuckasaurs | Sang | Tran | M | San Jose | California | USA | USA | 2020 Silver State 508 | 51 | Four Mixed Open | FIN | 30:26:47 | 2 | ||
| Chuckasaurus II | Mark | Brogan | M | San Jose | California | USA | USA | 2024 Silver State 508 | N/A | Four Mixed Open | FIN | 34:54:45 | 3 | ||
| Chuckasaurus II | Charles | Schroyer | M | Morgan Hill | California | USA | USA | 2024 Silver State 508 | N/A | Four Mixed Open | FIN | 34:54:45 | 9 | HOF | |
| Chuckasaurus II | Virginia | Vaquero | F | Portland | Oregon | USA | USA | 2024 Silver State 508 | N/A | Four Mixed Open | FIN | 34:54:45 | 1 | ||
| Chuckasaurus II | Paul | Vlasveld | M | San Jose | California | USA | USA | 2024 Silver State 508 | N/A | Four Mixed Open | FIN | 34:54:45 | 13 | HOF | |
| Chuckasouras | Steve | Meichtry | M | West Hills | California | USA | USA | 2019 Silver State 508 | 67 | Four Mixed | FIN | 32:33:10 | 5 | HOF | |
| Chuckasouras | Peg | Miller | F | Sylmar | California | USA | USA | 2019 Silver State 508 | 63 | Four Mixed Open | FIN | 32:33:10 | 6 | HOF | |
| Chuckasouras | Grace | Ragland | F | Huntsville | Alabama | USA | USA | 2019 Silver State 508 | 58 | Four Mixed Open | FIN | 32:33:10 | 1 | ||
| Chuckasouras | Charles | Schroyer | M | Morgan Hill | California | USA | USA | 2019 Silver State 508 | 67 | Four Mixed Open | FIN | 32:33:10 | 9 | HOF | |
| Chuckosaurus II | Mark | Brogan | M | San Jose | California | USA | USA | 2021 Silver State 508 | 57 | Four Mixed Open | FIN | 32:31:15 | 3 | ||
| Chuckosaurus II | Sandra | Myers | F | Diablo | California | USA | USA | 2021 Silver State 508 | 63 | Four Mixed Open | FIN | 32:31:15 | 2 | ||
| Chuckosaurus II | Charles | Schroyer | M | Morgan Hill | California | USA | USA | 2021 Silver State 508 | 69 | Four Mixed Open | FIN | 32:31:15 | 9 | HOF | |
| Chuckosaurus II | Sang | Tran | M | San Jose | California | USA | USA | 2021 Silver State 508 | 52 | Four Mixed Open | FIN | 32:31:15 | 2 | ||
| Chukar | Arty | Blanco | M | Ridgecrest | California | USA | USA | 2006 Furnace Creek 508 | 49 | Four Man | FIN | 35:03:04 | 3 | ||
| Chukar | Adam | Graehl | M | Ridgecrest | California | USA | USA | 2006 Furnace Creek 508 | 55 | Four Man | FIN | 35:03:04 | 3 | ||
| Chukar | Terri | Hand | F | Ridgecrest | California | USA | USA | 2006 Furnace Creek 508 | 31 | Four Man | FIN | 35:03:04 | 1 | ||
| Chukar | Ronald | Strand | M | Ridgecrest | California | USA | USA | 2006 Furnace Creek 508 | 41 | Four Man | FIN | 35:03:04 | 3 | ||
| Chukar | Arty | Blanco | M | Ridgecrest | California | USA | USA | 2007 Furnace Creek 508 | 49 | Four Man | FIN | 38:48:31 | 3 | ||
| Chukar | Adam | Graehl | M | Ridgecrest | USA | USA | 2007 Furnace Creek 508 | 56 | Four Man | FIN | 38:48:31 | 3 | |||
| Chukar | Ronald | Strand | M | Ridgecrest | California | USA | USA | 2007 Furnace Creek 508 | 41 | Four Man | FIN | 38:48:31 | 3 | ||
| Chukar | Ronald J. | Bell | M | Ridgecrest | California | USA | USA | 2008 Furnace Creek 508 | 48 | Four Man | FIN | 35:13:22 | 1 | ||
| Chukar | Arty | Blanco | M | Ridgecrest | California | USA | USA | 2008 Furnace Creek 508 | 50 | Four Man | FIN | 35:13:22 | 3 | ||
| Chukar | Adam | Graehl | M | Ridgecrest | California | USA | USA | 2008 Furnace Creek 508 | 57 | Four Man | FIN | 35:13:22 | 3 | ||
| Chukar | Ronald | Strand | M | Ridgecrest | California | USA | USA | 2008 Furnace Creek 508 | 44 | Four Man | FIN | 35:13:22 | 3 | ||
| Chukwalla | Brad | Carey | M | Fountain Hills | Arizona | USA | USA | 2001 Furnace Creek 508 | 37 | Two Man | FIN | 34:25:00 | 1 | ||
| Chukwalla | Randy | Daymude | M | Fountain Hills | Arizona | USA | USA | 2001 Furnace Creek 508 | 43 | Two Man | FIN | 34:25:00 | 1 | ||
| Chunky Monkey | Bell | Charles | M | Big Bear City | California | USA | USA | 2016 Silver State 508 | 30 | Solo | FIN | 31:53:00 | 1 | ||
| Chunky Monkey | Charles | Bell | M | Joshua Tree | California | USA | USA | 2017 Silver State 508 | 31 | Solo | FIN | 30:36:00 | 1 | ||
| Chupacabra | Louise | Comar | F | Atascadero | California | USA | USA | 2005 Furnace Creek 508 | 52 | Two Woman | FIN | 32:38:46 | 4 | ||
| Chupacabra | Karen | Rhodes | F | San Francisco | California | USA | USA | 2005 Furnace Creek 508 | 51 | Two Woman | FIN | 32:38:46 | 2 | ||
| Cinnamon Bear | Aron | Mason | M | San Mateo | California | USA | USA | 2012 Furnace Creek 508 | 33 | Solo | FIN | 36:00:14 | 1 | ||
| Cleveland Blue Heron | Eric | Harsh | M | Brecksville | Ohio | USA | USA | 2020 Silver State 508 | 50 | Four Mixed Open | FIN | 26:51:45 | 40+ Open Mixed Record | 1 | |
| Cleveland Blue Heron | Giovanni | Prosperi | M | Broadview Heights | Ohio | USA | Italy | 2020 Silver State 508 | 45 | Four Mixed Open | FIN | 26:51:45 | 40+ Open Mixed Record | 3 | |
| Cleveland Blue Heron | Benjamin | Sharp | M | Boulder | Colorado | USA | USA | 2020 Silver State 508 | 49 | Four Mixed Open | FIN | 26:51:45 | 40+ Open Mixed Record | 1 | |
| Cleveland Blue Heron | Anita | Woods | F | Avon | Ohio | USA | USA | 2020 Silver State 508 | 52 | Four Mixed Open | FIN | 26:51:45 | 40+ Open Mixed Record | 1 | |
| Click Beetle | Tom | Clime | M | Glenwood | Maryland | USA | USA | 2009 Furnace Creek 508 | 44 | Solo | FIN | 47:22:27 | 1 | ||
| Cloudrunner | Francis | Atilano | M | Carmichael | California | USA | USA | 2019 Silver State 508 | 41 | Four Man Open | FIN | 28:58:11 | 1 | ||
| Cloudrunner | Chris | Hoffman | M | Sacramento | California | USA | USA | 2019 Silver State 508 | 40 | Four Man Open | FIN | 28:58:11 | 1 | ||
| Cloudrunner | Nick | Hoffman | M | San Diego | California | USA | USA | 2019 Silver State 508 | 38 | Four Man Open | FIN | 28:58:11 | 1 | ||
| Cloudrunner | Xianshu | Shi | M | Sacramento | California | USA | China | 2019 Silver State 508 | 22 | Four Man Open | FIN | 28:58:11 | 1 | ||
| Clownfish | Brian | Boschma | M | Los Gatos | California | USA | USA | 2009 Furnace Creek 508 | 58 | Four Man | FIN | 38:39:11 | 1 | ||
| Clownfish | Tom | Condy | M | Mountain View | California | USA | USA | 2009 Furnace Creek 508 | 48 | Four Man | FIN | 38:39:11 | 1 | ||
| Clownfish | Anna | Luo | F | Sunnyvale | California | USA | USA | 2009 Furnace Creek 508 | 46 | Four Man | FIN | 38:39:11 | 3 | ||
| Clownfish | Jason | Pierce | M | Oakland | California | USA | USA | 2009 Furnace Creek 508 | 35 | Four Man | FIN | 38:39:11 | 5 | HOF | |
| Clydesdale | Larry | Nelson | M | Henderson | Nevada | USA | USA | 2011 Furnace Creek 508 | 58 | Solo | FIN | 40:13:45 | 3 | ||
| Clydesdale | Larry | Nelson | M | Henderson | Nevada | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 60 | Solo | FIN | 27:21:00 | 3 | ||
| Clydesdale | Larry | Nelson | M | Henderson | Nevada | USA | USA | 2014 Trona 308 | 60 | Solo | DNF | 3 | |||
| Clydesdale | John | Hopkins | M | Carlsbad | California | USA | USA | 2015 Silver State 508 | 63 | Two Man | FIN | 31:52:27 | 1 | ||
| Clydesdale | Larry | Nelson | M | Henderson | Nevada | USA | USA | 2015 Silver State 508 | 62 | Two Man | FIN | 31:52:27 | 3 | ||
| Coatimundi | Chris | Caldwell | M | San Rafael | California | USA | USA | 2002 Furnace Creek 508 | 32 | Solo | DNF | ||||
| Cobra | Phillip | Holcomb | M | Jacksonville | Florida | USA | USA | 2002 Furnace Creek 508 | 49 | Solo | FIN | 37:30:54 | New Qual. | 1 | |
| Cockatoo | Bernie | Comeau | M | USA | USA | 1993 Furnace Creek 508 | 30 | Solo | DNF | 1 | |||||
| Cockroach | Franz | Hansjoerg | M | Austria | Austria | 1999 Furnace Creek 508 | 25 | Solo | FIN | 42:31:27 | RQ | 1 | |||
| Coconut Crab | Alexis | Berthillier | M | Mountain View | California | USA | USA | 2015 Silver State 508 | 43 | Two Mixed | FIN | 40:01:20 | 5 | HOF | |
| Coconut Crab | Kirsten | McDaniel | F | Campbell | California | USA | USA | 2015 Silver State 508 | 46 | Two Mixed | FIN | 40:01:20 | 1 | ||
| Coconut Crab | Alexis | Berthillier | M | Mountain View | California | USA | USA | 2016 Silver State 508 | 44 | Two Man | FIN | 28:17:00 | 5 | HOF | |
| Coconut Crab | Gilles | Bouchard | M | Los Altos | California | USA | USA | 2016 Silver State 508 | 56 | Two Man | FIN | 28:17:00 | 4 | ||
| Coconut Crab | Alexis | Berthillier | M | Mountain View | California | USA | USA | 2017 Silver State 508 | 45 | Four Man | FIN | 26:57:00 | 5 | HOF | |
| Coconut Crab | Gilles | Bouchard | M | Los Altos | California | USA | USA | 2017 Silver State 508 | 57 | Four Man | FIN | 26:57:00 | 4 | ||
| Coconut Crab | Alain | Debost | M | Palo Alto | California | USA | USA | 2017 Silver State 508 | 55 | Four Man | FIN | 26:57:00 | 3 | ||
| Coconut Crab | Luc | Vantalon | M | Sunnyvale | California | USA | USA | 2017 Silver State 508 | 51 | Four Man | FIN | 26:57:00 | 3 | ||
| Coconut Crab | Alexis | Berthillier | M | Mountain View | California | USA | USA | 2018 Silver State 508 | 46 | Four Man | FIN | 25:23:53 | Overall 4x Record and 4x 50+ Mens | 5 | HOF |
| Coconut Crab | Gilles | Bouchard | M | Los Altos | California | USA | USA | 2018 Silver State 508 | 58 | Four Man | FIN | 25:23:53 | Overall 4x Record and 4x 50+ Mens | 4 | |
| Coconut Crab | Alain | Debost | M | Palo Alto | California | USA | USA | 2018 Silver State 508 | 56 | Four Man | FIN | 25:23:53 | Overall 4x Record and 4x 50+ Mens | 3 | |
| Coconut Crab | Luc | Vantalon | M | Santa Cruz | California | USA | USA | 2018 Silver State 508 | 52 | Four Man | FIN | 25:23:53 | Overall 4x Record and 4x 50+ Mens | 3 | |
| Coconut Crab | Alexis | Berthillier | M | Mountain View | California | USA | USA | 2019 Silver State 508 | 48 | Four Man Open | FIN | 24:51:36 | 5 | HOF | |
| Coconut Crab | Gilles | Bouchard | M | Los Altos | California | USA | USA | 2019 Silver State 508 | 50 | Four Man Open | FIN | 24:51:36 | 4 | ||
| Coconut Crab | Alain | Debost | M | Palo Alto | California | USA | USA | 2019 Silver State 508 | 57 | Four Man Open | FIN | 24:51:36 | 3 | ||
| Coconut Crab | Luc | Vantalon | M | Santa Cruz | California | USA | USA | 2019 Silver State 508 | 54 | Four Man Open | FIN | 24:51:36 | 3 | ||
| Coho | Leonard | Fancher | M | Anchorage | Alaska | USA | USA | 2011 Furnace Creek 508 | 47 | Solo | FIN | 40:59:29 | 5 | HOF | |
| Coho | Leonard | Fancher | M | Anchorage | Alaska | USA | USA | 2012 Furnace Creek 508 | 48 | Solo | FIN | 43:37:34 | 5 | HOF | |
| Coho | Leonard | Fancher | M | Anchorage | Alaska | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 49 | Solo | FIN | 29:09:00 | 5 | HOF | |
| Coho | Leonard | Fancher | M | Anchorage | Alaska | USA | USA | 2014 Silver State 508 | 50 | Solo | FIN | 43:44:00 | 5 | HOF | |
| Coinin | Jay | Battleson | M | Bend | Oregon | USA | USA | 2017 Silver State 508 | 42 | Four Man | FIN | 30:24:00 | 4 | ||
| Coinin | Paul | Capewell | M | Pleasanton | California | USA | United Kingdom | 2017 Silver State 508 | 48 | Four Man | FIN | 30:24:00 | 1 | ||
| Coinin | Bumha | Lee | M | Pleasanton | California | USA | USA | 2017 Silver State 508 | 48 | Four Man | FIN | 30:24:00 | 2 | ||
| Coinin | Jon | Skramstad | M | Pleasanton | California | USA | USA | 2017 Silver State 508 | 42 | Four Man | FIN | 30:24:00 | 8 | HOF | |
| Collared Lizard | Mike | Bridschge | M | Coolidge | Arizona | USA | USA | 2006 Furnace Creek 508 | 42 | Solo | FIN | 37:32:16 | 1 | ||
| Collared Lizard | Mike | Bridschge | M | Coolidge | Arizona | USA | USA | 2007 Furnace Creek 508 | 43 | Solo | DNF | 1 | |||
| Collared Peccary | Paul | Grube | M | Henderson | Nevada | USA | USA | 2008 Furnace Creek 508 | 33 | Two Man | FIN | 29:50:54 | 2 | ||
| Collared Peccary | Ed | Hladek | M | Las Vegas | Nevada | USA | USA | 2008 Furnace Creek 508 | 43 | Two Man | FIN | 29:50:54 | 11 | HOF | |
| Colossal Squid | Michael | Gaiman | M | San Francisco | California | USA | USA | 2009 Furnace Creek 508 | 26 | Two Mixed | FIN | 33:22:29 | 1 | ||
| Colossal Squid | Kristina | Reid | F | San Francisco | California | USA | USA | 2009 Furnace Creek 508 | 28 | Two Mixed | FIN | 33:22:29 | 2 | ||
| Common Pipistrelle | Mark | Burson | M | Thousand Oaks | California | USA | USA | 2011 Furnace Creek 508 | 56 | Two Man | FIN | 41:31:47 | 1 | ||
| Common Pipistrelle | Phillip | Walters | M | Los Angeles | California | USA | United Kingdom | 2011 Furnace Creek 508 | 60 | Two Man | FIN | 41:31:47 | 1 | ||
| Condor | Lonnie | Binderim | M | Long Beach | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 48 | Solo | FIN | 32:23:00 | 3 | ||
| Cookie Monster | Michael | Cook | M | Santa Rosa | California | USA | USA | 2006 Furnace Creek 508 | 35 | Solo | FIN | 32:36:24 | RAAM Qualified | 1 | |
| Coonhound | Sergio | Avila | M | Tucson | Arizona | USA | Mexico | 2005 Furnace Creek 508 | 33 | Two Man | FIN | 35:40:40 | 1 | ||
| Coonhound | Bruce | Gungle | M | Tucson | Arizona | USA | USA | 2005 Furnace Creek 508 | 46 | Two Man | FIN | 35:40:40 | 1 | ||
| Coonhound | Bruce | Gungle | M | Tucson | Arizona | USA | USA | 2010 Furnace Creek 508 | 52 | Solo | DNF | 1 | |||
| Copperhead | Thomas | Shepard | M | Rancho Palos Verdes | California | USA | USA | 2019 Silver State 508 | 57 | Solo | DNF | ||||
| Copperhead | Thomas | Shepard | M | Rancho Palos Verdes | California | USA | USA | 2020 Silver State 508 | 58 | Solo | DNF | ||||
| Coqui | Franklin | Rosado | M | Ridgewood | New York | USA | USA | 2016 Silver State 508 | 43 | Solo Randonneur | DNF | ||||
| Costal Wolf | David | Overfield | M | Reno | Nevada | USA | USA | 2023 Silver State 508 | N/A | Solo | DNF | ||||
| Cotorro | Oscar | Daniel De Lira | M | Oxnard | California | USA | Mexico | 2019 Silver State 508 | 44 | Solo | DNF | 1 | |||
| Cottontail | Peter | Morrissey | M | Oakland | California | USA | USA | 2005 Furnace Creek 508 | 42 | Solo | DNF | ||||
| Cougar | Ted | Ahlem | M | USA | USA | 1996 Furnace Creek 508 | N/A | Four Man | FIN | 24:45:05 | 1 | ||||
| Cougar | Scott | Garrison | M | Bakersfield | California | USA | USA | 1996 Furnace Creek 508 | 42 | Four Man | FIN | 24:45:05 | 3 | ||
| Cougar | Bob | Smith | M | Bakersfield | California | USA | USA | 1996 Furnace Creek 508 | 44 | Four Man | FIN | 24:45:05 | 5 | HOF | |
| Cougar | Lance | St. Pierre | M | California | USA | USA | 1996 Furnace Creek 508 | N/A | Four Man | FIN | 24:45:05 | 1 | |||
| Country Bear | Brian | Dooley | M | Canoga Park | California | USA | USA | 2014 Trona 308 | 41 | Solo Randonneur | DNF | 2 | |||
| Cow | Bernie | Comeau | M | USA | USA | 1994 Furnace Creek 508 | 31 | Solo | FIN | 46:44:20 | 1 | ||||
| Cow | Bernie | Comeau | M | USA | USA | 1996 Furnace Creek 508 | 33 | Solo | DNF | 1 | |||||
| Cow | Bernie | Comeau | M | USA | USA | 1998 Furnace Creek 508 | 35 | Solo | DNF | 1 | |||||
| Cow | Bernie | Comeau | M | Olympia | Washington | USA | Canada | 2005 Furnace Creek 508 | 42 | Solo | DNF | 1 | |||
| Coyote | Raymond | Barnes | M | Woodland Hills | California | USA | USA | 2002 Furnace Creek 508 | 45 | Solo | FIN | 47:43:50 | 1 | ||
| Cpt-N-Kangaroo | Emmy | Klassen | F | Bakersfield | California | USA | USA | 2003 Furnace Creek 508 | 45 | Tandem Mixed | DNF | 5 | HOF | ||
| Cpt-N-Kangaroo | Mike | Moseley | M | Bakersfield | California | USA | USA | 2003 Furnace Creek 508 | 49 | Tandem Mixed | DNF | 6 | HOF | ||
| Crane | Dan | Crain | M | Irvine | California | USA | USA | 2004 Furnace Creek 508 | 59 | Solo | DNF | Shermer Neck | 7 | HOF | |
| Crane | Dan | Crain | M | Irvine | California | USA | USA | 2005 Furnace Creek 508 | 60 | Solo | FIN | 33:13:11 | 7 | HOF | |
| Crawfish | Premananda | Childs | M | Greenwich | Connecticut | USA | USA | 1984 John Marino Open | 39 | Solo | FIN | 75:45:00 | 5 | HOF | |
| Crawfish | Premananda | Childs | M | Greenwich | Connecticut | USA | USA | September 1985 John Marino Open West | 41 | Solo | FIN | 56:22:00 | 5 | HOF | |
| Crawfish | Premananda | Childs | M | Greenwich | Connecticut | USA | USA | April 1986 John Marino Open West | 41 | Solo | FIN | 44:51:00 | 5 | HOF | |
| Crawfish | Premananda | Childs | M | Greenwich | Connecticut | USA | USA | 1990 October RAAM Open West | 45 | Solo | FIN | 32:47:00 | 5 | HOF | |
| Crawfish | Premananda | Childs | M | Greenwich | Connecticut | USA | USA | 1991 October Furnace Creek 508 | 46 | Solo | FIN | 31:59:10 | 2nd solo finish | 5 | HOF |
| Crawfish | Premananda | Childs | M | USA | USA | 1993 Furnace Creek 508 | 48 | Solo | DNF | 5 | HOF | ||||
| Crazy Clownfish | Tom | Morice | M | Scottsdale | Arizona | USA | USA | 2008 Furnace Creek 508 | 53 | Solo | DNF | ||||
| Crazy Horse | Dominique | Briand | M | Feyzin | Rhone | France | France | 2008 Furnace Creek 508 | 53 | Solo | FIN | 30:19:38 | 1 | ||
| Crazy Ibex | Vito | Rubino | M | Pasadena | California | USA | Italy | 2014 Silver State 508 | 36 | Solo | FIN | 37:19:00 | 1 | ||
| Crazy Legs Crane | Jaime Skylar | Watts | F | Claremore | Oklahoma | USA | USA | 2015 Silver State 508 | 47 | Solo | DNF | ||||
| Cricket | Mark | Pattinson | M | Westport | Connecticut | USA | USA | 2012 Furnace Creek 508 | 43 | Solo | DNF | ||||
| Crocodile | Dean | Crothers | M | Reno | Nevada | USA | USA | 1999 Furnace Creek 508 | 32 | Solo | FIN | 35:20:33 | Tie; RQ | 1 | |
| Crocodile | Dean | Crothers | M | Reno | Nevada | USA | USA | 2000 Furnace Creek 508 | 33 | Solo | DNF | 1 | |||
| Crow | Giovanni | Zilioli | M | Fiorenzuola D' Arda | Italy | Italy | 1999 Furnace Creek 508 | 42 | Solo | FIN | 43:13:08 | RQ | 1 | ||
| Crow | Sean | Cuddihy | M | Long Beach | California | USA | USA | 2006 Furnace Creek 508 | 37 | Solo | FIN | 30:26:21 | RAAM Qualified | 6 | HOF |
| Crow | Sean | Cuddihy | M | Long Beach | California | USA | USA | 2007 Furnace Creek 508 | 38 | Solo | FIN | 29:05:35 | 6 | HOF | |
| Crow | Sean | Cuddihy | M | Long Beach | California | USA | USA | 2010 Furnace Creek 508 | 42 | Solo | FIN | 30:51:54 | 6 | HOF | |
| Crow | Sean | Cuddihy | M | Long Beach | California | USA | USA | 2012 Furnace Creek 508 | 44 | Solo | FIN | 29:33:10 | 6 | HOF | |
| Crow | Sean | Cuddihy | M | Long Beach | California | USA | USA | 2014 Trona 308 | 45 | Solo Randonneur | FIN | 19:07:00 | 6 | HOF | |
| Crow | Sean | Cuddihy | M | Long Beach | California | USA | USA | 2014 Silver State 508 | 46 | Solo | FIN | 28:03:00 | 6 | HOF | |
| Cuckoo Bee | John | Lauer | M | Elk Grove | California | USA | USA | 2007 Furnace Creek 508 | 44 | Two Man Recumbent | FIN | 32:02:13 | 4 | ||
| Cuckoo Bee | Ron | Smith | M | Chula Vista | California | USA | USA | 2007 Furnace Creek 508 | 39 | Two Man Recumbent | FIN | 32:02:13 | 3 | ||
| Cumbrian Big Cat | Deryck | Pritchard | M | Stoke on Trent | Stoke-on-Trent | United Kingdom | United Kingdom | 2024 Silver State 508 | N/A | Solo Randonneur | DNF | ||||
| Cumbrian Big Cat | Deryck | Pritchard | M | Stoke-On-Trent | Stoke-on-Trent | United Kingdom | USA | 2025 The 508 | 54 | Solo Randonneur | DNF | ||||
| Cuthroat Trout | Jim | Trout | M | Seattle | Washington | USA | USA | 2003 Furnace Creek 508 | 33 | Solo | FIN | 36:54:50 | 3 | ||
| Cutthroat | Jim | Trout | M | Seattle | Washington | USA | USA | 2001 Furnace Creek 508 | 31 | Solo | FIN | 40:40:00 | 3 | ||
| Cutthroat Trout | Jim | Trout | M | Seattle | Washington | USA | USA | 1999 Furnace Creek 508 | 29 | Solo | DNF | TS2 - car battery | 3 | ||
| Cutthroat Trout | Jim | Trout | M | Seattle, | Washington | USA | USA | 2005 Furnace Creek 508 | 35 | Solo | FIN | 35:21:17 | 3 | ||
| Cutthroat Trout | Caleb | Sprayberry | M | Las Vegas | Nevada | USA | USA | 2025 The 508 | 38 | Solo | DNF | 1 | |||
| Cyclosaurus | David | O'Brien | M | Tucson | Arizona | USA | USA | 2011 Furnace Creek 508 | 35 | Solo | FIN | 41:00:53 | 1 | ||
| Czech Lion | Jansta | Stanislav | M | Boca Raton | Florida | USA | Czech Republic | 2018 Silver State 508 | 37 | Solo | DNS | ||||
| Dachsund | Franz | Engleder | M | Austria | Austria | 1999 Furnace Creek 508 | 33 | Tandem Men | FIN | 38:48:30 | RQ | 1 | |||
| Dachsund | Karl | Traunmueller | M | Austria | Austria | 1999 Furnace Creek 508 | 43 | Tandem Men | FIN | 38:48:30 | RQ | 1 | |||
| Daddy Long Legs | Tom | Lawrence | M | Mountain View | California | USA | USA | 2004 Furnace Creek 508 | 37 | Solo | FIN | 41:48:46 | 1 | ||
| Dalls Porpoise | Hugh | Gapay | M | Cornelius | Oregon | USA | USA | 2007 Furnace Creek 508 | 43 | Solo | FIN | 34:02:36 | 1 | ||
| Dalmation | Jeff | Dewey | M | USA | USA | 1996 Furnace Creek 508 | 39 | Solo | FIN | 36:35:28 | 1 | ||||
| Davis Drills | Richard | Boettner | M | Davis | California | USA | USA | 2001 Furnace Creek 508 | 35 | Four Tandem Men | FIN | 22:45:00 | course record | 1 | |
| Davis Drills | Daryn | Dodge | M | Davis | California | USA | USA | 2001 Furnace Creek 508 | 41 | Four Tandem Men | FIN | 22:45:00 | course record | 1 | |
| Davis Drills | Jim | Frink | M | Folsom | California | USA | USA | 2001 Furnace Creek 508 | 38 | Four Tandem Men | FIN | 22:45:00 | course record | 1 | |
| Davis Drills | Rick | Humphreys | M | Carmichael | California | USA | USA | 2001 Furnace Creek 508 | 49 | Four Tandem Men | FIN | 22:45:00 | course record | 1 | |
| Davis Drills | Steve | Rex | M | Sacramento | California | USA | USA | 2001 Furnace Creek 508 | 39 | Four Tandem Men | FIN | 22:45:00 | course record | 1 | |
| Davis Drills | Craig | Robertson | M | Los Altos | California | USA | USA | 2001 Furnace Creek 508 | 44 | Four Tandem Men | FIN | 22:45:00 | course record | 6 | HOF |
| Davis Drills | Dan | Shadoan | M | Davis | California | USA | USA | 2001 Furnace Creek 508 | 52 | Four Tandem Men | FIN | 22:45:00 | course record | 2 | |
| Davis Drills | David | Taillon | M | Davis | California | USA | USA | 2001 Furnace Creek 508 | 36 | Four Tandem Men | FIN | 22:45:00 | course record | 1 | |
| Deer in Headlights | Meredith | Caccese McConvill | F | San Diego | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 38 | Four Mixed | FIN | 24:25:00 | 1 | ||
| Deer in Headlights | David | Dubowitz | M | Del Mar | California | USA | United Kingdom | 2013 Furnace Creek 508, AKA Trona 353 | 50 | Four Mixed | FIN | 24:25:00 | 1 | ||
| Deer in Headlights | Steve | Jackson | M | San Diego | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 50 | Four Mixed | FIN | 24:25:00 | 1 | ||
| Deer in Headlights | Lisa | Nicholson | F | San Diego | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 48 | Four Mixed | FIN | 24:25:00 | 1 | ||
| Deerhound | Lisa Marie | Dougherty | F | Urbana | Illinois | USA | USA | 2001 Furnace Creek 508 | 30 | Solo | FIN | 39:27:00 | 2 | ||
| Deerhound | Lisa Marie | Dougherty | F | Los Alamos | New Mexico | USA | USA | 2003 Furnace Creek 508 | 32 | Solo | FIN | 35:36:41 | 2 | ||
| Def Leopards | Lisa | Bliss | F | Spokane | Washington | USA | USA | 2014 Silver State 508 | 46 | Four Man | FIN | 39:40:00 | 3 | ||
| Def Leopards | Tim | Englund | M | Spokane | Washington | USA | USA | 2014 Silver State 508 | 48 | Four Man | FIN | 39:40:00 | 2 | ||
| Def Leopards | David | Heckman | M | El Granada | California | USA | USA | 2014 Silver State 508 | 40 | Four Man | FIN | 39:40:00 | 2 | ||
| Def Leopards | George | Miller | M | Half Moon Bay | California | USA | USA | 2014 Silver State 508 | 61 | Four Man | FIN | 39:40:00 | 1 | ||
| Desert Bighorn | Mitchell | Blum | M | Reno | Nevada | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 40 | Two Man | FIN | 21:36:00 | 1 | ||
| Desert Bighorn | Adam | Kovac | M | Reno | Nevada | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 24 | Two Man | FIN | 21:36:00 | 2 | ||
| Desert Bighorn | Justin | Clark | M | Fallon | Nevada | USA | USA | 2014 Silver State 508 | 24 | Two Man | FIN | 28:58:00 | 1 | ||
| Desert Bighorn | Adam | Kovac | M | Reno | Nevada | USA | USA | 2014 Silver State 508 | 24 | Two Man | FIN | 28:58:00 | 2 | ||
| Desert Coyote | Kevin | Van Dyke | M | Forest Grove | Oregon | USA | USA | 2009 Furnace Creek 508 | 54 | Solo | DNF | 1 | |||
| Desert Coyote | Kevin | Van Dyke | M | Forest Grove | Oregon | USA | USA | 2010 Furnace Creek 508 | 55 | Solo | FIN | 46:27:57 | 1 | ||
| Desert Crickets | Jo | Carmichael | F | Walnut Creek | California | USA | USA | 2011 Furnace Creek 508 | 56 | Four Man | FIN | 34:33:35 | 2 | ||
| Desert Crickets | Jeff | Martin | M | Anchorage | Alaska | USA | USA | 2011 Furnace Creek 508 | 49 | Four Man | FIN | 34:33:35 | 5 | HOF | |
| Desert Crickets | Tom | Nelson | M | Pleasant Hill | California | USA | USA | 2011 Furnace Creek 508 | 54 | Four Man | FIN | 34:33:35 | 2 | ||
| Desert Crickets | Jim | Ortlieb | M | Antioch | California | USA | USA | 2011 Furnace Creek 508 | 49 | Four Man | FIN | 34:33:35 | 2 | ||
| Desert Crickets | Jo | Carmichael | F | Aachen | North Rhine-Westphalia (Nordrhein-Westfalen) | Germany | USA | 2012 Furnace Creek 508 | 57 | Four Man | FIN | 35:19:45 | 2 | ||
| Desert Crickets | Jeff | Martin | M | Aachen | North Rhine-Westphalia (Nordrhein-Westfalen) | Germany | USA | 2012 Furnace Creek 508 | 50 | Four Man | FIN | 35:19:45 | 5 | HOF | |
| Desert Crickets | Tom | Nelson | M | Pleasant Hill | California | USA | USA | 2012 Furnace Creek 508 | 55 | Four Man | FIN | 35:19:45 | 2 | ||
| Desert Crickets | Jim | Ortlieb | M | Antioch | California | USA | USA | 2012 Furnace Creek 508 | 50 | Four Man | FIN | 35:19:45 | 2 | ||
| Desert Dog | Bill | Packard | M | Phoenix | Arizona | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 55 | Solo | FIN | 25:55:00 | 1 | ||
| Desert Duck | Steve | Teal | M | Phelan | California | USA | USA | 2005 Furnace Creek 508 | 40 | Solo | FIN | 35:39:52 | 5 | HOF | |
| Desert Duck | Steve | Teal | M | Phelan | California | USA | USA | 2006 Furnace Creek 508 | 41 | Solo | FIN | 41:24:06 | Death Valley Cup | 5 | HOF |
| Desert Duck | Steve | Teal | M | Phelan | California | USA | USA | 2007 Furnace Creek 508 | 42 | Solo | FIN | 34:16:04 | 5 | HOF | |
| Desert Duck | Steve | Teal | M | Phelan | California | USA | USA | 2008 Furnace Creek 508 | 43 | Solo | FIN | 35:12:55 | 2008 Death Valley Cup: Badwater + The 508 | 5 | HOF |
| Desert Duck | Steve | Teal | M | Phelan | California | USA | USA | 2010 Furnace Creek 508 | 45 | Solo | FIN | 37:15:00 | Hall of Fame! 5x Death Valley Cup finisher | 5 | HOF |
| Desert Eagle | John | Clare | M | Long Beach | California | USA | USA | 2016 Silver State 508 | 53 | Two Man | FIN | 32:29:00 | 6 | HOF | |
| Desert Eagle | Jon | Shellenbarger | M | Anaheim | California | USA | USA | 2016 Silver State 508 | 44 | Two Man | FIN | 32:29:00 | 9 | HOF | |
| Desert Fox | Ton | Van Daelen | M | San Diego | California | USA | 2005 Furnace Creek 508 | 38 | Solo | FIN | 34:27:17 | 1 | |||
| Desert Lark | Vaune | Davis | F | Toronto | Ontario | Canada | Canada | 2013 Furnace Creek 508, AKA Trona 353 | 54 | Solo | FIN | 29:11:00 | 1 | ||
| Desert Locust | Matt | Ruscigno | M | Los Angeles | California | USA | USA | 2008 Furnace Creek 508 | 30 | Solo | FIN | 37:20:39 | 5 | HOF | |
| Desert Locust | Matt | Ruscigno | M | Los Angeles | California | USA | USA | 2009 Furnace Creek 508 | 31 | Solo | FIN | 39:28:55 | 5 | HOF | |
| Desert Locust | Matt | Ruscigno | M | Los Angeles | California | USA | USA | 2010 Furnace Creek 508 | 32 | Solo | FIN | 40:34:12 | 5 | HOF | |
| Desert Monitor | Daniel | Macioce | M | Santa Clarita | California | USA | USA | 2025 The 508 | 56 | Solo Randonneur | DNF | ||||
| Desert Mouse | Erhard | Weiss | M | Siselen | Berne (Bern) | Switzerland | Germany | 2008 Furnace Creek 508 | 58 | Solo | DNF | ||||
| Desert Mouse | Erhard | Weiss | M | Siselen | Berne (Bern) | Switzerland | Germany | 2009 Furnace Creek 508 | 59 | Solo | DNF | ||||
| Desert Mouse | Erhard | Weiss | M | Siselen | Berne (Bern) | Switzerland | Germany | 2010 Furnace Creek 508 | 60 | Solo | DNF | ||||
| Desert Panther | Steve | Schmidt | M | San Diego | California | USA | USA | 2014 Trona 308 | 53 | Solo | FIN | 23:55:00 | 3 | ||
| Desert Polar Bear | Charlie | Kharsa | M | Davis | California | USA | USA | 2011 Furnace Creek 508 | 46 | Solo | FIN | 41:00:43 | 3 | ||
| Desert Polar Bear | Charlie | Kharsa | M | Davis | California | USA | USA | 2012 Furnace Creek 508 | 48 | Solo | FIN | 38:44:11 | 3 | ||
| Desert Pupfish | Jason | Eiserich | M | Davis | California | USA | USA | 2008 Furnace Creek 508 | 39 | Four Man | FIN | 32:43:59 | 1 | ||
| Desert Pupfish | Joaquin | Feliciano | M | Davis | California | USA | USA | 2008 Furnace Creek 508 | 37 | Four Man | FIN | 32:43:59 | 1 | ||
| Desert Pupfish | Janice I. | Levet | F | Davis | California | USA | USA | 2008 Furnace Creek 508 | 34 | Four Man | FIN | 32:43:59 | 1 | ||
| Desert Pupfish | Lorne | Sachs | M | Woodland | California | USA | USA | 2008 Furnace Creek 508 | 43 | Four Man | FIN | 32:43:59 | 2 | ||
| Desert Rat | Ric | Schrank | M | Virginia City | Nevada | USA | USA | 2002 Furnace Creek 508 | 37 | Solo | DNF | 2 | |||
| Desert Rat | Ric | Schrank | M | Virginia City | Nevada | USA | USA | 2003 Furnace Creek 508 | 38 | Solo | DNF | 2 | |||
| Desert Rat | Ric | Schrank | M | Virginia City | Nevada | USA | USA | 2006 Furnace Creek 508 | 41 | Solo | DNF | 2 | |||
| Desert Rat | Ric | Schrank | M | Virginia City | USA | USA | 2007 Furnace Creek 508 | 42 | Solo | DNF | 2 | ||||
| Desert Rat | Ric | Schrank | M | Virginia City | Nevada | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 48 | Solo | FIN | 27:29:00 | 2 | ||
| Desert Sandhill | Rick | Brule | M | Vista | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 56 | Four Mixed | FIN | 26:16:00 | 1 | ||
| Desert Sandhill | Sherry | Newsham | F | Encinitas | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 65 | Four Mixed | FIN | 26:16:00 | 3 | ||
| Desert Sandhill | Robert | Nothaft | M | San Diego | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 60 | Four Mixed | FIN | 26:16:00 | 1 | ||
| Desert Sandhill | Lan | Tran | F | San Diego | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 62 | Four Mixed | FIN | 26:16:00 | 3 | ||
| Desert Scorpion | Richard | Brownlee | M | Tustin | California | USA | Canada | 2020 Silver State 508 | 48 | Solo | FIN | 46:03:21 | 1 | ||
| Desert Spider | Michael | Fero | M | Portola Valley | California | USA | USA | 2011 Furnace Creek 508 | 52 | Two Man | FIN | 35:54:24 | 1 | ||
| Desert Spider | Doug | Fujii | M | Mountain View | California | USA | USA | 2011 Furnace Creek 508 | 48 | Two Man | FIN | 35:54:24 | 1 | ||
| Desert Tortoise | Tim | Cockerham | M | San Diego | California | USA | USA | 2004 Furnace Creek 508 | 34 | Two Man | FIN | 41:28:42 | COURSE RECORD | 1 | |
| Desert Tortoise | David | Moore | M | San Diego | California | USA | USA | 2004 Furnace Creek 508 | 33 | Two Man | FIN | 41:28:42 | COURSE RECORD | 3 | |
| Desert Whipsnake | Rob | Despain | M | Oceanside | California | USA | USA | 2009 Furnace Creek 508 | 43 | Four Man | DNF | ||||
| Desert Whipsnake | Laird | Heikens | M | Rancho Santa Margarita | California | USA | USA | 2009 Furnace Creek 508 | 45 | Four Man | DNF | ||||
| Desert Whipsnake | Brian | Turner | M | Redondo Beach | California | USA | USA | 2009 Furnace Creek 508 | 32 | Four Man | DNF | ||||
| Desert Whipsnake | Patrick | Wells | M | San Marcos | California | USA | USA | 2009 Furnace Creek 508 | 44 | Four Man | DNF | ||||
| Desert Wombat | Evan | Marks | M | New York | New York | USA | USA | 2016 Silver State 508 | 59 | Two Man | FIN | 34:03:00 | 1 | ||
| Desert Wombat | Stuart | Simon | M | Los Angeles | California | USA | USA | 2016 Silver State 508 | 52 | Two Man | FIN | 34:03:00 | 1 | ||
| Desperate House Flies | William | Carr | M | Pittsburg | California | USA | USA | 2006 Furnace Creek 508 | 41 | Four Man | FIN | 1 | |||
| Desperate House Flies | Steve | Rheault | M | Mississauga | Ontario | Canada | Canada | 2006 Furnace Creek 508 | 46 | Four Man | FIN | 1 | |||
| Desperate House Flies | Boyd | Taylor | M | Pittsburg | California | USA | USA | 2006 Furnace Creek 508 | 36 | Four Man | FIN | 1 | |||
| Desperate House Flies | Joseph | Taylor | M | San Diego | California | USA | USA | 2006 Furnace Creek 508 | 33 | Four Man | FIN | 1 | |||
| Devil Dog | Tim | Robert | M | Honolulu | Hawaii | USA | USA | 2017 Silver State 508 | 52 | Solo | FIN | 37:31:00 | 1 | ||
| Devil Grasshopper | Scott | McIntosh | M | Chicago | Illinois | USA | USA | 2005 Furnace Creek 508 | 35 | Solo | FIN | 33:58:21 | 3 | ||
| Devil Grasshopper | Scott | McIntosh | M | Chicago | Illinois | USA | USA | 2006 Furnace Creek 508 | 36 | Solo | FIN | 36:20:59 | 3 | ||
| Devil Grasshopper | Scott | McIntosh | M | Chicago | Illinois | USA | USA | 2007 Furnace Creek 508 | 37 | Solo | FIN | 34:47:32 | 3 | ||
| Devil Ray | Nancy | Dankenbring | F | California | USA | USA | 1998 Furnace Creek 508 | 24 | Solo | FIN | 41:56:45 | 1 | |||
| Dharma Dog | Luis | Bernhardt | M | Burnaby | British Columbia | Canada | Canada | 2013 Furnace Creek 508, AKA Trona 353 | 63 | Solo Fixed Gear | FIN | 25:27:00 | 2 | ||
| Dharma Dog | Luis | Bernhardt | M | Burnaby | British Columbia | Canada | Canada | 2015 Silver State 508 | 64 | Solo Randonneur Fixed Gear | FIN | 43:08:00 | 2 | ||
| Diamondback | Dwayne | Highsmith | M | Fairfield | California | USA | USA | 2003 Furnace Creek 508 | 44 | Two Man | FIN | 32:50:52 | 2 | ||
| Diamondback | Tim | Jones | M | Fairfield | California | USA | USA | 2003 Furnace Creek 508 | 46 | Two Man | FIN | 32:50:52 | 2 | ||
| Diana Monkey | Joan | Deitchman | F | Cupertino | California | USA | Canada | 2014 Silver State 508 | 34 | Four Mixed | FIN | 30:17:00 | 6 | HOF | |
| Diana Monkey | Michael | Deitchman | M | Cupertino | California | USA | USA | 2014 Silver State 508 | 38 | Four Mixed | FIN | 30:17:00 | 4 | ||
| Diana Monkey | Jeffrey | Deslich | M | Campbell | California | USA | USA | 2014 Silver State 508 | 55 | Four Mixed | FIN | 30:17:00 | 1 | ||
| Diana Monkey | Diana | Garbarino | F | Campbell | California | USA | USA | 2014 Silver State 508 | 47 | Four Mixed | FIN | 30:17:00 | 1 | ||
| Diesel | Robin | Keus | M | Boulder | Colorado | USA | USA | 2025 The 508 | 64 | Solo | DNF | ||||
| Dik-Dik | Shanna Christine | Armstrong | F | Lubbock | Texas | USA | USA | 2006 Furnace Creek 508 | 32 | Solo | FIN | 38:46:15 | 3 | ||
| Dik-Dik | Shanna Christine | Armstrong | F | Lubbock | Texas | USA | USA | 2008 Furnace Creek 508 | 34 | Solo | FIN | 34:30:58 | 2008 Death Valley Cup: Badwater + The 508 | 3 | |
| Dingo | Beth | Dawson | F | USA | USA | 1989 October RAAM Open West | 27 | Solo | DNF | 2 | |||||
| Dingo | Beth | Dawson | F | Santa Cruz | California | USA | USA | 1990 April RAAM Open West | 28 | Solo | FIN | 45:24:00 | 2 | ||
| Dingo | Beth | Dawson | F | NA | 346 | USA | USA | 1991 April RAAM Open West | N/A | Solo | DNF | 2 | |||
| Dingo | Beth | Dawson | F | Saratoga | California | USA | USA | 1991 October Furnace Creek 508 | 30 | Solo | FIN | 37:22:19 | 2nd solo finish | 2 | |
| Dinosaur | Tom | Davies | M | Magalia | California | USA | USA | April 1988 RAAM Open West | 44 | Solo | FIN | 29:41:00 | Oldest Finisher | 2 | |
| Dinosaur | Tom | Davies | M | California | USA | USA | 1989 April RAAM Open West | 45 | Solo | DNF | 2 | ||||
| Dinosaur | Tom | Davies | M | California | USA | USA | 1989 June RAAM Open West | 45 | Solo | DNF | 2 | ||||
| Dinosaur | Tom | Davies | M | California | USA | USA | 1989 October RAAM Open West | 45 | Solo | DNF | 2 | ||||
| Dinosaur | Tom | Davies | M | Magalia | California | USA | USA | 1990 October RAAM Open West | 46 | Solo | FIN | 36:04:00 | 2 | ||
| Dinosaur | Tom | Davies | M | California | USA | USA | 1991 October Furnace Creek 508 | 47 | Solo | DNF | 2 | ||||
| Dinosaur | Tom | Davies | M | California | USA | USA | 1995 Furnace Creek 508 | 51 | Solo | DNF | 2 | ||||
| Dinosaur | Tom | Davies | M | Paradise | California | USA | USA | 2000 Furnace Creek 508 | 56 | Solo | DNF | 2 | |||
| Dipper | Todd | Nelson | M | Pleasanton | California | USA | USA | 2018 Silver State 508 | 55 | Two Man | FIN | 31:21:12 | Skramstad 5-time finsher | 7 | HOF |
| Dipper | Jon | Skramstad | M | Pleasanton | California | USA | USA | 2018 Silver State 508 | 43 | Two Man | FIN | 31:21:12 | Skramstad 5-time finsher | 8 | HOF |
| Ditchnap Donkey | Cory | Rood | M | Peosta | Iowa | USA | USA | 2023 Silver State 508 | N/A | Solo | FIN | 34:40:53 | 1 | ||
| Doc Pagong | Deo | Punongbayan | M | Monrovia | California | USA | Philippines | 2019 Silver State 508 | 58 | Solo | FIN | 43:26:50 | 5 | HOF | |
| Dodo | Gale | Dominy | M | USA | USA | 1997 Furnace Creek 508 | 58 | Solo | FIN | 47:18:50 | 1 | ||||
| Dog | Doug | Sloan | M | Fresno | California | USA | USA | 2001 Furnace Creek 508 | 41 | Solo | FIN | 36:47:00 | 4 | ||
| Dog | Doug | Sloan | M | Fresno | California | USA | USA | 2007 Furnace Creek 508 | 47 | Solo | DNF | 4 | |||
| Dog Salmon | Leonard | Fancher | M | Anchorage | Alaska | USA | USA | 2015 Silver State 508 | 51 | Two Mixed | FIN | 33:23:40 | 5 | HOF | |
| Dog Salmon | Janice | Sheufelt | F | Juneau | Alaska | USA | USA | 2015 Silver State 508 | 49 | Two Mixed | FIN | 33:23:40 | 3 | ||
| Dogfish | Patrick | Bates | M | Overland Park | Kansas | USA | USA | 2004 Furnace Creek 508 | 50 | Four Man | FIN | 36:41:00 | 1 | ||
| Dogfish | Andres | Caicedo | M | Lafayette | California | USA | USA | 2004 Furnace Creek 508 | 34 | Four Man | FIN | 36:41:00 | 2 | ||
| Dogfish | Gregory C. | Gragg | M | Lee's Summit | Missouri | USA | USA | 2004 Furnace Creek 508 | 41 | Four Man | FIN | 36:41:00 | 1 | ||
| Dogfish | Jonathan | Laurans | M | Kansas City | Kansas | USA | USA | 2004 Furnace Creek 508 | 39 | Four Man | FIN | 36:41:00 | 1 | ||
| Dolomites Bear | Walter | Cadamuro | M | Cimadolmo | Treviso, Veneto | Italy | Italy | 2019 Silver State 508 | 46 | Solo | FIN | 40:57:52 | 1 | ||
| Dolphin | Deborah | Caplan | F | Culver City | California | USA | USA | 2000 Furnace Creek 508 | 35 | Solo | DNF | 2 | |||
| Dolphin | Deborah | Caplan | F | Culver City | California | USA | USA | 2001 Furnace Creek 508 | 36 | Solo | DNF | 2 | |||
| Dolphin | Deborah | Caplan | F | Agoura Hills | California | USA | USA | 2004 Furnace Creek 508 | 39 | Solo | DNF | Too windy | 2 | ||
| Domestic Carabao | Fortunato | Gascon | M | Fresno | California | USA | USA | 2008 Furnace Creek 508 | 46 | Four Man | FIN | 31:16:52 | 1 | ||
| Domestic Carabao | Tom | Guevara | M | Coarsegold | California | USA | USA | 2008 Furnace Creek 508 | 52 | Four Man | FIN | 31:16:52 | 2 | ||
| Domestic Carabao | Angelo | Quitorio | M | Fresno | California | USA | USA | 2008 Furnace Creek 508 | 41 | Four Man | FIN | 31:16:52 | 1 | ||
| Domestic Carabao | Dennis L. | Tiu | M | Fresno | California | USA | USA | 2008 Furnace Creek 508 | 42 | Four Man | FIN | 31:16:52 | 1 | ||
| Donkey | David A. | Jones | M | Canoga Park | California | USA | USA | 2003 Furnace Creek 508 | 57 | Solo | FIN | 38:50:42 | 7 | HOF | |
| Donkey | David A. | Jones | M | Canoga Park | California | USA | USA | 2004 Furnace Creek 508 | 58 | Solo | FIN | 42:21:00 | 7 | HOF | |
| Donkey | David A. | Jones | M | Canoga Park | California | USA | USA | 2006 Furnace Creek 508 | 60 | Solo | FIN | 37:14:38 | 7 | HOF | |
| Donkey | David A. | Jones | M | Canoga Park | California | USA | USA | 2007 Furnace Creek 508 | 61 | Solo | FIN | 35:48:53 | 7 | HOF | |
| Donkey | David A. | Jones | M | Canoga Park | California | USA | USA | 2008 Furnace Creek 508 | 62 | Solo | FIN | 35:46:20 | 7 | HOF | |
| Donkey | David A. | Jones | M | Winnetka | California | USA | USA | 2009 Furnace Creek 508 | 63 | Solo | FIN | 42:12:54 | 7 | HOF | |
| Donkey | David A. | Jones | M | Winnetka | California | USA | USA | 2010 Furnace Creek 508 | 64 | Solo | FIN | 40:48:23 | 7 | HOF | |
| Dorado | Omar | Spina | M | Oak Park | California | USA | USA | 2008 Furnace Creek 508 | 36 | Two Man | FIN | 29:37:19 | 2 | ||
| Dorado | Rick | Wallace | M | Thousand Oaks | California | USA | USA | 2008 Furnace Creek 508 | 49 | Two Man | FIN | 29:37:19 | 1 | ||
| Dragon | Les | Drake | M | California | USA | USA | 1989 April RAAM Open West | 33 | Solo | DNF | 3 | ||||
| Dragon | Les | Drake | M | Carpinteria | California | USA | USA | 1989 October RAAM Open West | 33 | Solo | FIN | 33:10:00 | 3 | ||
| Dragon | Les | Drake | M | California | USA | USA | 1996 Furnace Creek 508 | 40 | Solo | FIN | 34:54:06 | 2nd solo finish | 3 | ||
| Dragon Bear | Gary | Baierl | M | Lake Forest | California | USA | USA | 2015 Silver State 508 | 47 | Two Man Recumbent | FIN | 40:21:12 | 12 | HOF | |
| Dragon Bear | Dana | Lieberman | M | North Hollywood | California | USA | USA | 2015 Silver State 508 | 47 | Two Man Recumbent | FIN | 40:21:12 | 5 | HOF | |
| Dragon Fish | Dario | Valsesia | M | Borgomanero | Italy | Italy | 2003 Furnace Creek 508 | 36 | Solo | FIN | 45:20:53 | 1 | |||
| Dragonfly | Valsesia | Nico Dino | M | Novaro | Italy | Italy | 2000 Furnace Creek 508 | 29 | Solo | FIN | 35:09:58 | 1 | |||
| Dragonfly | Valsesia | Nico Dino | M | Borgomanero | Italy | Italy | 2002 Furnace Creek 508 | 31 | Solo | DQ | Dragonfly was given three penalties and thus was DQ'd from the race. His infractions included riding at night without his support vehicle behind him, riding without a bicycle light, and running a stop sign. | 1 | |||
| Dromedary | Billy | Richmond | M | San Jose | California | USA | USA | 2008 Furnace Creek 508 | 42 | Solo | FIN | 36:56:32 | 2 | ||
| Duck | James | DeCaro | M | USA | USA | 1993 Furnace Creek 508 | N/A | Solo | DNF | 1 | |||||
| Duck | James | DeCaro | M | USA | USA | 1994 Furnace Creek 508 | N/A | Solo | FIN | 31:58:57 | 1 | ||||
| Dugong | Dave | Tanner | M | Bloomington | Indiana | USA | USA | 2002 Furnace Creek 508 | 52 | Solo | FIN | 39:35:45 | Pre. Qual. | 1 | |
| Dugong Bughaw | Albert | Cruz | M | Placentia | California | USA | USA | 2018 Silver State 508 | 47 | Solo | FIN | 44:25:00 | 1 | ||
| Dung Beetle | Christopher | Young | M | Portland | Oregon | USA | USA | 2011 Furnace Creek 508 | 42 | Solo Recumbent | FIN | 38:24:12 | 1 | ||
| Dung Mite | Andrew | Zelhof | M | Carlsbad | California | USA | USA | 2006 Furnace Creek 508 | 37 | Solo | FIN | 32:39:33 | RAAM Qualified | 2 | |
| Dung Mite | Andrew | Zelhof | M | Carlsbad | California | USA | USA | 2007 Furnace Creek 508 | 38 | Solo | FIN | 32:37:53 | 2 | ||
| Dungeness Crab | John | Feher | M | Stinson Beach | California | USA | USA | 2023 Silver State 508 | N/A | Solo Randonneur | FIN | 42:08:29 | 1 | ||
| Dusky Dolphin | Jeffrey | Hulett | M | Golden | Colorado | USA | USA | 2023 Silver State 508 | N/A | Solo Randonneur | FIN | 42:08:29 | 1 | ||
| E.Coli | Isabelle | Drake | F | Laguna Beach | California | USA | USA | 2005 Furnace Creek 508 | 52 | Two Woman | FIN | 32:38:28 | 7 | HOF | |
| E.Coli | Kerin | Huber | F | Pasadena | California | USA | USA | 2005 Furnace Creek 508 | 46 | Two Woman | FIN | 32:38:28 | 1 | ||
| Eagle | Bob | Matthews | M | Beverly Hills | California | USA | USA | 2011 Furnace Creek 508 | 42 | Solo | DNF | 1 | |||
| Eagle | Bob | Matthews | M | Omaha | Nebraska | USA | USA | 2012 Furnace Creek 508 | 43 | Solo | FIN | 45:32:45 | 1 | ||
| Eagles Claw | Renato | Arnoco | M | Fremont | California | USA | Philippines | 2019 Silver State 508 | 51 | Solo Randonneur | FIN | 42:38:04 | 1 | ||
| Eaglet | Pat | Enright | M | USA | USA | 1993 Furnace Creek 508 | 27 | Solo | DNF | ||||||
| Earth Cucoo | Joseph | Lynch | M | San Maguel | California | USA | USA | 2012 Furnace Creek 508 | 38 | Two Man | FIN | 27:22:30 | 1 | ||
| Earth Cucoo | Pat | Rehorn | M | Atascadero | California | USA | USA | 2012 Furnace Creek 508 | 50 | Two Man | FIN | 27:22:30 | 1 | ||
| Earth Cucoo | Pat | Rehorn | M | Atascadero | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 51 | Solo | FIN | 20:30:00 | 1 | ||
| Eastside VELOciraptors | Jeffrey | Byberg | M | Crowley Lake | California | USA | USA | 2009 Furnace Creek 508 | 48 | Four Man | FIN | 34:17:42 | 1 | ||
| Eastside VELOciraptors | David | DeVries | M | Bishop | California | USA | USA | 2009 Furnace Creek 508 | 54 | Four Man | FIN | 34:17:42 | 1 | ||
| Eastside VELOciraptors | Jim | Pettigrew | M | Crowley Lake | California | USA | USA | 2009 Furnace Creek 508 | 58 | Four Man | FIN | 34:17:42 | 1 | ||
| Eastside VELOciraptors | Steve | Schmunk | M | Bishop | California | USA | USA | 2009 Furnace Creek 508 | 42 | Four Man | FIN | 34:17:42 | 1 | ||
| Echidna | Sandy | Earl | F | Albany | Oregon | USA | USA | 1999 Furnace Creek 508 | 36 | Solo | FIN | 41:06:34 | RQ | 1 | |
| Echidna | Sandy | Earl | F | Arcata | California | USA | USA | 2014 Silver State 508 | 51 | Solo Recumbent | DNF | 1 | |||
| El Cotorro | Oscar | Daniel De Lira | M | Oxnard | California | USA | Mexico | 2020 Silver State 508 | 45 | Solo | FIN | 44:24:08 | 1 | ||
| Eland | Jim | Pyatt | M | Modesto | California | USA | USA | 2011 Furnace Creek 508 | 54 | Solo | FIN | 47:17:11 | 5 | HOF | |
| Eland | Jim | Pyatt | M | Modesto | California | USA | USA | 2012 Furnace Creek 508 | 55 | Solo | FIN | 40:25:43 | 5 | HOF | |
| Eland | Jim | Pyatt | M | Modesto | California | USA | USA | 2015 Silver State 508 | 57 | Two Mixed | FIN | 31:59:29 | 5 | HOF | |
| Eland | Karin | Weller | F | Turlock | California | USA | USA | 2015 Silver State 508 | 54 | Two Mixed | FIN | 31:59:29 | 2 | ||
| Eland | Arlon | Harwood | M | Oakdale | California | USA | USA | 2016 Silver State 508 | 60 | Four Man | DNF | ||||
| Eland | Reuben | Peterson | M | Modesto | California | USA | USA | 2016 Silver State 508 | 62 | Four Man | DNF | ||||
| Eland | Jim | Pyatt | M | Modesto | California | USA | USA | 2016 Silver State 508 | 58 | Four Man | DNF | 5 | HOF | ||
| Eland | Gordon | Sweeny | M | Modesto | California | USA | USA | 2016 Silver State 508 | 69 | Four Man | DNF | ||||
| Electric Dragon | Daniel | Sedberry | M | Fernley | Nevada | USA | USA | 2021 Silver State 508 | 32 | Solo | FIN | 40:49:50 | 1 | ||
| Elephant | Paul | Evans | M | USA | USA | 1995 Furnace Creek 508 | 43 | Solo | DNF | 1 | |||||
| Elephant | Paul | Evans | M | USA | USA | 1997 Furnace Creek 508 | 45 | Solo | FIN | 36:49:05 | RAAM Qualifier | 1 | |||
| Elephant Shrew | Jason | Eddy | M | San Diego | California | USA | USA | 2003 Furnace Creek 508 | 28 | Solo | DNF | ||||
| Elk | Ken | Eichstaedt | M | USA | USA | 1992 Furnace Creek 508 | N/A | Solo | DNF | 1 | |||||
| Elk | Ken | Eichstaedt | M | USA | USA | 1994 Furnace Creek 508 | N/A | Solo | FIN | 38:25:49 | 1 | ||||
| Emerald Basilisk | Glenn | Hughes | M | Napa | California | USA | USA | 2012 Furnace Creek 508 | 61 | Two Man | FIN | 39:52:33 | 1 | ||
| Emerald Basilisk | Ronald | Whitmill | M | Napa | California | USA | USA | 2012 Furnace Creek 508 | 56 | Two Man | FIN | 39:52:33 | 1 | ||
| Emerald Basilisk | Glenn | Hughes | M | Napa | California | USA | USA | 2014 Trona 308 | 62 | Four Man | FIN | 19:38:00 | 1 | ||
| Emerald Basilisk | Chuck | Olson | M | Auburn | California | USA | USA | 2014 Trona 308 | 58 | Four Man | FIN | 19:38:00 | |||
| Emerald Basilisk | David | Rosenthal | M | Middletown | California | USA | USA | 2014 Trona 308 | 56 | Four Man | FIN | 19:38:00 | |||
| Emerald Basilisk | Ronald | Whitmill | M | Napa | California | USA | USA | 2014 Trona 308 | 57 | Four Man | FIN | 19:38:00 | 1 | ||
| Emily Bear | Kirk | Gentle | M | Houston | Texas | USA | USA | 2009 Furnace Creek 508 | 53 | Solo | DNF | ||||
| Emperor Dragonfly | Mark | Longwell | M | Acton | Massachusetts | USA | USA | 2007 Furnace Creek 508 | 47 | Solo | DNF | ||||
| Emperor Moth | Brian | Davidson | M | El Segundo | California | USA | USA | 2007 Furnace Creek 508 | 29 | Solo | FIN | 36:05:08 | 5 | HOF | |
| Emperor Moth | Brian | Davidson | M | El Segundo | California | USA | USA | 2008 Furnace Creek 508 | 30 | Solo | FIN | 33:25:35 | 5 | HOF | |
| Emperor Tamarin | Brian | Davidson | M | Hawthorne | California | USA | USA | 2010 Furnace Creek 508 | 32 | Two Man | FIN | 37:44:11 | 5 | HOF | |
| Emperor Tamarin | Maxwell | Lucas | M | Manhattan Beach | California | USA | USA | 2010 Furnace Creek 508 | 26 | Two Man | FIN | 37:44:11 | 2 | ||
| Empress Penguin | Lisa | Smith-Batchen | F | Victor | Idaho | USA | USA | 2007 Furnace Creek 508 | 47 | Solo | DNF | ||||
| Empress Penguin | Lisa | Smith-Batchen | F | Tucson | Arizona | USA | USA | 2008 Furnace Creek 508 | 48 | Solo | DNF | ||||
| Emu | Jay | Brown | M | Hendersonville | Tennessee | USA | USA | 2002 Furnace Creek 508 | 38 | Four Man | FIN | 1 | |||
| Emu | Darlene | Oliver | M | Nashville | Tennessee | USA | USA | 2002 Furnace Creek 508 | 32 | Four Man | FIN | 1 | |||
| Emu | Michael | Sicard | M | Nashville | Tennessee | USA | USA | 2002 Furnace Creek 508 | 33 | Four Man | FIN | 1 | |||
| Emu | Clayton | Vigrass | M | St. Petersburg | Florida | USA | USA | 2002 Furnace Creek 508 | 35 | Four Man | FIN | 1 | |||
| Energizer Bunny | Roland | Hoffman | M | Alta Loma | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 51 | Solo | FIN | 25:21:00 | 1 | ||
| Escape Goat | Joshua | Talley | M | Santa Monica | California | USA | USA | 2010 Furnace Creek 508 | 38 | Solo | FIN | 36:12:14 | 5 | HOF | |
| Escape Goat | Joshua | Talley | M | Santa Monica | California | USA | USA | 2011 Furnace Creek 508 | 39 | Solo | FIN | 33:12:07 | 5 | HOF | |
| Escape Goat | Joshua | Talley | M | Santa Monica | California | USA | USA | 2012 Furnace Creek 508 | 40 | Solo | FIN | 32:30:30 | 5 | HOF | |
| Escape Goat | Joshua | Talley | M | Santa Monica | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 41 | Solo | FIN | 22:57:00 | 5 | HOF | |
| Escape Goat | Joshua | Talley | M | Santa Monica | California | USA | USA | 2015 Silver State 508 | 43 | Solo Randonneur | FIN | 39:07:08 | 5 | HOF | |
| European Wild Cat | Andrew | Melczer | M | Garden Grove | California | USA | USA | 2008 Furnace Creek 508 | 46 | Solo | FIN | 42:03:26 | 1 | ||
| Expendabulls | Romeo | Aquino | M | Pittsburg | California | USA | USA | 2020 Silver State 508 | 54 | Four Man Open | FIN | 41:06:09 | 1 | ||
| Expendabulls | Rolan | Bautista | M | Pleasant Hill | California | USA | USA | 2020 Silver State 508 | 58 | Four Man Open | FIN | 41:06:09 | 1 | ||
| Expendabulls | Roel | Deang | M | South San Francisco | California | USA | USA | 2020 Silver State 508 | 59 | Four Man Open | FIN | 41:06:09 | 2 | ||
| Expendabulls | Dennis | Molina | M | Hayward | California | USA | USA | 2020 Silver State 508 | 42 | Four Man Open | FIN | 41:06:09 | 2 | ||
| Expendabulls | Raymond | Acosta | M | Pittsburg | California | USA | USA | 2021 Silver State 508 | 49 | Four Man Open | FIN | 36:43:57 | 1 | ||
| Expendabulls | Boots | Bernardo | M | Daly City | California | USA | Philippines | 2021 Silver State 508 | 46 | Four Man Open | FIN | 36:43:57 | 1 | ||
| Expendabulls | Dennis | Molina | M | Hayward | California | USA | Philippines | 2021 Silver State 508 | 43 | Four Man Open | FIN | 36:43:57 | 2 | ||
| Expendabulls | Memo | Santoyo | M | Sylmar | California | USA | USA | 2021 Silver State 508 | 48 | Four Man Open | FIN | 36:43:57 | 2 | ||
| Extreme Eagle | Brian | Collins | M | Fairfield | Connecticut | USA | USA | 2016 Silver State 508 | 56 | Two Man | DNF | ||||
| Extreme Eagle | Hal | Goldstein | M | New York | New York | USA | USA | 2016 Silver State 508 | 49 | Two Man | DNF | ||||
| Fabled Tortoise | Bruce | Carroll | M | Oakland | California | USA | USA | 2008 Furnace Creek 508 | 54 | Solo | FIN | 34:30:35 | 1 | ||
| Falcons | Gary | Baierl | M | Aliso Viejo | California | USA | USA | 2001 Furnace Creek 508 | 34 | Four Man | FIN | 26:46:00 | 12 | HOF | |
| Falcons | Thomas | Berube | M | Chicago | Illinois | USA | USA | 2001 Furnace Creek 508 | 37 | Four Man | FIN | 26:46:00 | 1 | ||
| Falcons | Paul | Kingsbury | M | Elmira | New York | USA | USA | 2001 Furnace Creek 508 | 40 | Four Man | FIN | 26:46:00 | 5 | HOF | |
| Falcons | Jim | Ryan | M | Denver | Colorado | USA | USA | 2001 Furnace Creek 508 | 40 | Four Man | FIN | 26:46:00 | 11 | HOF | |
| Falcons | Paul | Kingsbury | M | Elmira | New York | USA | USA | 2002 Furnace Creek 508 | 41 | Four Man | FIN | 26:24:37 | 5 | HOF | |
| Falcons | Stuart | Kroonenberg | M | Highlands Ranch | Colorado | USA | USA | 2002 Furnace Creek 508 | 33 | Four Man | FIN | 26:24:37 | 3 | ||
| Falcons | Jim | Reed | M | Elmira | New York | USA | USA | 2002 Furnace Creek 508 | 41 | Four Man | FIN | 26:24:37 | 1 | ||
| Falcons | Jim | Ryan | M | Denver | Colorado | USA | USA | 2002 Furnace Creek 508 | 41 | Four Man | FIN | 26:24:37 | 11 | HOF | |
| Falcons | Gary | Baierl | M | Santa Monica | California | USA | USA | 2004 Furnace Creek 508 | 37 | Four Man | FIN | 34:00:15 | 12 | HOF | |
| Falcons | Jim | Ryan | M | Sammamish | Washington | USA | USA | 2004 Furnace Creek 508 | 43 | Four Man | FIN | 34:00:15 | 11 | HOF | |
| Falcons | Tom | Truong | M | Dublin | California | USA | USA | 2004 Furnace Creek 508 | 43 | Four Man | FIN | 34:00:15 | 1 | ||
| Falcons | Colin | Wright | M | Sunnyvale | California | USA | USA | 2004 Furnace Creek 508 | 46 | Four Man | FIN | 34:00:15 | 1 | ||
| Falcons | Gary | Baierl | M | Lake Forest | California | USA | USA | 2014 Silver State 508 | 47 | Four Man | FIN | 32:26:00 | 12 | HOF | |
| Falcons | Paul | Kingsbury | M | Elmira | New York | USA | USA | 2014 Silver State 508 | 53 | Four Man | FIN | 32:26:00 | 5 | HOF | |
| Falcons | Jim | Ryan | M | Sammamish | Washington | USA | USA | 2014 Silver State 508 | 53 | Four Man | FIN | 32:26:00 | 11 | HOF | |
| Falcons | Wanda | Tocci | F | Elmira | New York | USA | USA | 2014 Silver State 508 | 54 | Four Man | FIN | 32:26:00 | 3 | ||
| Fast Rabbit | Jennifer | Flenner | F | Ridgecrest | California | USA | USA | 2006 Furnace Creek 508 | 31 | Solo | FIN | 45:05:48 | RAAM Qualified | 1 | |
| Fast Truck Gecko | Kenny | Souza | M | San Marcos | California | USA | USA | 2005 Furnace Creek 508 | 40 | Solo | FIN | 27:15:21 | 1 | ||
| Fast Truck Gecko | Kenny | Souza | M | San Marcos | California | USA | USA | 2006 Furnace Creek 508 | 41 | Solo | DNF | 1 | |||
| Fast Truck Gecko | Kenny | Souza | M | San Marcos | California | USA | USA | 2007 Furnace Creek 508 | 42 | Solo | DNF | 1 | |||
| Fat Wombats | Michael | Burke | M | Mill Valley | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 49 | Two Man | FIN | 22:33:00 | 1 | ||
| Fat Wombats | Matthew | Johnson | M | Napa | California | USA | Australia | 2013 Furnace Creek 508, AKA Trona 353 | 42 | Two Man | FIN | 22:33:00 | 1 | ||
| Fearless Fly | Ed | Fleming | M | Huston | Texas | USA | USA | 2000 Furnace Creek 508 | 45 | Solo | FIN | 44:05:33 | 1 | ||
| Feinting Goat | Julie | Chebbi | F | El Segundo | California | USA | USA | 2014 Trona 308 | 51 | Two Woman | FIN | 24:09:00 | |||
| Feinting Goat | Patti | Morena | F | La Crescenta | California | USA | USA | 2014 Trona 308 | 54 | Two Woman | FIN | 24:09:00 | 3 | ||
| Feisty Fox | Shangrila | Rendon | F | Pasadena | California | USA | Philippines | 2015 Silver State 508 | 33 | Solo | DNF | ||||
| Feisty Fox | Shangrila | Rendon | F | Hawthorne | California | USA | Philippines | 2018 Silver State 508 | 36 | Solo | DNF | ||||
| Feisty Friesian | Marco | Ensing | M | Los Angeles | California | USA | Netherlands | 2020 Silver State 508 | 51 | Solo Randonneur | DNF | ||||
| Felinas | Carla L | de la Torre | F | San Juan | Puerto Rico | USA | USA | 2015 Silver State 508 | 34 | Two Woman | FIN | 44:23:43 | 1 | ||
| Felinas | Irene | Rial | F | San Juan | Puerto Rico | USA | USA | 2015 Silver State 508 | 53 | Two Woman | FIN | 44:23:43 | 1 | ||
| Fennec Fox | Michael J. | Fox | M | Edmond | Oklahoma | USA | USA | 2003 Furnace Creek 508 | 40 | Solo | DNF | 1 | |||
| Fennec Fox | Michael J. | Fox | M | Edmond | Oklahoma | USA | USA | 2004 Furnace Creek 508 | 41 | Solo | FIN | 46:42:30 | 1 | ||
| Ferret | Leonard | Fieber | M | USA | USA | 1996 Furnace Creek 508 | 44 | Solo | DNF | 1 | |||||
| Fighting Rooster | Eric | Maquiling | M | Irvine | California | USA | USA | 2012 Furnace Creek 508 | 46 | Solo | DNF | 1 | |||
| Fighting Rooster | Eric | Maquiling | M | Irvine | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 47 | Solo | FIN | 29:55:00 | 1 | ||
| Fire Ants | Roehl | Caragao | M | Bakersfield | California | USA | USA | 2002 Furnace Creek 508 | 39 | Two Tandem Mixed | FIN | 28:11:33 | Record | 18 | HOF |
| Fire Ants | Marvis | Friesen | F | Bakersfield | California | USA | USA | 2002 Furnace Creek 508 | 55 | Two Tandem Mixed | FIN | 28:11:33 | Record | 3 | |
| Fire Ants | Emmy | Klassen | F | Bakersfield | California | USA | USA | 2002 Furnace Creek 508 | 44 | Two Tandem Mixed | FIN | 28:11:33 | Record | 5 | HOF |
| Fire Ants | Mike | Moseley | M | Bakersfield | California | USA | USA | 2002 Furnace Creek 508 | 48 | Two Tandem Mixed | FIN | 28:11:33 | Record | 6 | HOF |
| Fire Dragon | Amy | Snyder | F | La Jolla | California | USA | USA | 2012 Furnace Creek 508 | 52 | Two Woman | FIN | 37:54:24 | 3 | ||
| Fire Dragon | Lan | Tran | F | San Diego | California | USA | USA | 2012 Furnace Creek 508 | 61 | Two Woman | FIN | 37:54:24 | 3 | ||
| Fire Dragon | Amy | Snyder | F | La Jolla | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 53 | Solo | FIN | 30:20:00 | 3 | ||
| Fire-Breathing Duck | Nabeel | Atique | M | Santa Clarita | California | USA | Bangladesh | 2013 Furnace Creek 508, AKA Trona 353 | 43 | Two Man | FIN | 24:48:00 | 1 | ||
| Fire-Breathing Duck | Jeffrey | Mullins | M | Ventura | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 33 | Two Man | FIN | 24:48:00 | 1 | ||
| Fireflies | Bobbi | Fisher | F | Burbank | California | USA | USA | 2005 Furnace Creek 508 | 56 | Four Mixed | FIN | 34:30:51 | 3 | ||
| Fireflies | Chris | Hedberg | F | Pasadena | California | USA | USA | 2005 Furnace Creek 508 | 55 | Four Mixed | FIN | 34:30:51 | 1 | ||
| Fireflies | David | Nakai | M | Fallbrook | California | USA | USA | 2005 Furnace Creek 508 | 49 | Four Mixed | FIN | 34:30:51 | 5 | HOF | |
| Fireflies | Ron | Smith | M | Chula Vista | California | USA | USA | 2005 Furnace Creek 508 | 37 | Four Mixed | FIN | 34:30:51 | 3 | ||
| Fish Bacon | Ed | Hladek | M | Las Vegas | Nevada | USA | USA | 2021 Silver State 508 | 56 | Four Man Open | FIN | 29:56:56 | 11 | HOF | |
| Fish Bacon | Todd | Nelson | M | Pleasanton | California | USA | USA | 2021 Silver State 508 | 58 | Four Man Open | FIN | 29:56:56 | 7 | HOF | |
| Fish Bacon | Eduardo | Rodriguez | M | Vallejo | California | USA | USA | 2021 Silver State 508 | 31 | Four Man Open | FIN | 29:56:56 | 1 | ||
| Fish Bacon | Bill | Zimmerman | M | Carmel Valley | California | USA | USA | 2021 Silver State 508 | 70 | Four Man Open | FIN | 29:56:56 | 18 | HOF | |
| Fish Bacon | Ed | Hladek | M | Las Vegas | Nevada | USA | USA | 2022 Silver State 508 | 57 | Four Man | FIN | 30:56:00 | 11 | HOF | |
| Fish Bacon | Todd | Nelson | M | Pleasanton | California | USA | USA | 2022 Silver State 508 | 59 | Four Man | FIN | 30:56:00 | 7 | HOF | |
| Fish Bacon | Jon | Skramstad | M | Ocean Springs | Mississippi | USA | USA | 2022 Silver State 508 | 47 | Four Man | FIN | 30:56:00 | 8 | HOF | |
| Fish Bacon | Bill | Zimmerman | M | Carmel Valley | California | USA | USA | 2022 Silver State 508 | 71 | Four Man | FIN | 30:56:00 | 18 | HOF | |
| Fish Bacon | Todd | Nelson | M | Pleasanton | California | USA | USA | 2023 Silver State 508 | N/A | Four Man | FIN | 30:34:37 | 7 | HOF | |
| Fish Bacon | Paul | Rose | M | Livermore | California | USA | USA | 2023 Silver State 508 | N/A | Four Man | FIN | 30:34:37 | 2 | ||
| Fish Bacon | Jon | Skramstad | M | Ocean Springs | Mississippi | USA | USA | 2023 Silver State 508 | N/A | Four Man | FIN | 30:34:37 | 8 | HOF | |
| Fish Bacon | Bill | Zimmerman | M | Carmel Valley | California | USA | USA | 2023 Silver State 508 | N/A | Four Man | FIN | 30:34:37 | 18 | HOF | |
| Fisher Weasel | Jared | Fischer | M | Las Vegas | Nevada | USA | USA | 2008 Furnace Creek 508 | 38 | Solo | DQ | ||||
| Flamingo | Reed | Finfrock | M | California | USA | USA | 1992 Furnace Creek 508 | 46 | Solo | DNF | 10 | HOF | |||
| Flamingo | Reed | Finfrock | M | Filmore | California | USA | USA | 1993 Furnace Creek 508 | 47 | Solo | FIN | 42:18:15 | 10 | HOF | |
| Flamingo | Reed | Finfrock | M | California | USA | USA | 1994 Furnace Creek 508 | 48 | Solo | FIN | 32:26:37 | 2nd solo finish | 10 | HOF | |
| Flamingo | Reed | Finfrock | M | California | USA | USA | 1995 Furnace Creek 508 | 49 | Solo | FIN | 33:22:15 | 3rd solo finish | 10 | HOF | |
| Flamingo | Reed | Finfrock | M | California | USA | USA | 1997 Furnace Creek 508 | 51 | Solo | FIN | 34:52:34 | 4th solo finish | 10 | HOF | |
| Flamingo | Reed | Finfrock | M | Springville | California | USA | USA | 1999 Furnace Creek 508 | 53 | Solo | FIN | 32:45:07 | 10 | HOF | |
| Flamingo | Reed | Finfrock | M | Springville | California | USA | USA | 2002 Furnace Creek 508 | 56 | Solo | FIN | 34:41:51 | Pre. Qual. | 10 | HOF |
| Flamingo | Reed | Finfrock | M | Springville | California | USA | USA | 2003 Furnace Creek 508 | 57 | Solo | DNF | 10 | HOF | ||
| Flamingo | Reed | Finfrock | M | Springville | California | USA | USA | 2006 Furnace Creek 508 | 60 | Solo | FIN | 33:58:12 | 10 | HOF | |
| Flamingo | Reed | Finfrock | M | Springville | California | USA | USA | 2007 Furnace Creek 508 | 61 | Solo | FIN | 32:10:30 | 10 | HOF | |
| Flamingo | Reed | Finfrock | M | Springville | California | USA | USA | 2008 Furnace Creek 508 | 62 | Solo | FIN | 32:59:33 | 10 | HOF | |
| Flamingo | Reed | Finfrock | M | Springville | California | USA | USA | 2010 Furnace Creek 508 | 64 | Solo | DNF | 10 | HOF | ||
| Flamingo | Reed | Finfrock | M | Sequim | Washington | USA | USA | 2017 Silver State 508 | 71 | Solo | DNF | 10 | HOF | ||
| Flamingo | Reed | Finfrock | M | Sequim | Washington | USA | USA | 2020 Silver State 508 | 74 | Solo Randonneur | FIN | 43:37:02 | 10 | HOF | |
| Flat-Faced Wasp | Paul | Robinson | M | Redlands | California | USA | USA | 2014 Silver State 508 | 33 | Two Man | FIN | 38:09:00 | 1 | ||
| Flat-Faced Wasp | Raymond | Williams | M | Riverside | California | USA | USA | 2014 Silver State 508 | 64 | Two Man | FIN | 38:09:00 | 3 | ||
| Flicker | Michael | Wolfe | M | Portland | Oregon | USA | USA | 2006 Furnace Creek 508 | 32 | Solo Recumbent | FIN | 35:49:13 | RAAM Qual'd; Age Group and overall Stock recumbent course record | 2 | |
| Flounder | Chaz | Fetrow | M | Cotati | California | USA | USA | 1994 Furnace Creek 508 | 29 | Solo | FIN | 37:12:27 | 1 | ||
| Flying Abalone | David | Thompson | M | San Francisco | California | USA | USA | 2005 Furnace Creek 508 | 42 | Solo | DNF | ||||
| Flying Beaver | Christian | Godin | M | Rosemere | Quebec | Canada | Canada | 2012 Furnace Creek 508 | 54 | Two Man | FIN | 35:17:11 | 2 | ||
| Flying Beaver | Jean-Guy | Violette | M | Fredericton | New Brunswick | Canada | Canada | 2012 Furnace Creek 508 | 56 | Two Man | FIN | 35:17:11 | 2 | ||
| Flying Chamois | John | Lauer | M | Elk Grove | California | USA | USA | 2008 Furnace Creek 508 | 45 | Solo Recumbent | FIN | 32:13:18 | 4 | ||
| Flying Eagle | Scott | Gower | M | Atascadero | California | USA | USA | 2009 Furnace Creek 508 | 45 | Solo | FIN | 39:53:15 | 4 | ||
| Flying Eagle | Scott | Gower | M | Atascadero | California | USA | USA | 2010 Furnace Creek 508 | 46 | Solo | FIN | 39:16:13 | 4 | ||
| Flying Eagle | Tim | Bell | M | Atascadero | California | USA | United Kingdom | 2012 Furnace Creek 508 | 48 | Two Man | FIN | 28:40:27 | 1 | ||
| Flying Eagle | Scott | Gower | M | Atascadero | California | USA | USA | 2012 Furnace Creek 508 | 48 | Two Man | FIN | 28:40:27 | 4 | ||
| Flying Eagle | Scott | Gower | M | Atascadero | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 49 | Solo | FIN | 21:59:00 | 4 | ||
| Flying Fish | Chris | Frost | M | Malibu | California | USA | USA | 2002 Furnace Creek 508 | 51 | Solo | DNF | 4 | |||
| Flying Fish | Chris | Frost | M | Malibu | California | USA | USA | 2006 Furnace Creek 508 | 55 | Solo | DNF | 4 | |||
| Flying Fish | Chris | Frost | M | Malibu | California | USA | USA | 2012 Furnace Creek 508 | 61 | Two Man | FIN | 35:15:50 | 4 | ||
| Flying Fish | Phillip | Kramer | M | Yorba Linda | California | USA | USA | 2012 Furnace Creek 508 | 53 | Two Man | FIN | 35:15:50 | 3 | ||
| Flying Fish | Duane | Fernandez | M | La Crescenta | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 45 | Two Man | FIN | 26:31:00 | 1 | ||
| Flying Fish | Chris | Frost | M | Malibu | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 62 | Two Man | FIN | 26:31:00 | 4 | ||
| Flying Fishstix | Chris | Frost | M | Malibu | California | USA | USA | 2007 Furnace Creek 508 | 56 | Two Mixed | FIN | 38:14:28 | 4 | ||
| Flying Fishstix | Julie | Kennedy | F | San Gabriel | California | USA | USA | 2007 Furnace Creek 508 | 51 | Two Mixed | FIN | 38:14:28 | 1 | ||
| Flying Fishstix | Louise | Cooper | F | West Hills | California | USA | USA | 2008 Furnace Creek 508 | 55 | Two Mixed | FIN | 34:38:28 | 1 | ||
| Flying Fishstix | Chris | Frost | M | Malibu | California | USA | USA | 2008 Furnace Creek 508 | 57 | Two Mixed | FIN | 34:38:28 | 4 | ||
| Flying Gecko | Dina | Hannah | F | Murray | Utah | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 50 | Solo | FIN | 23:22:00 | 1 | ||
| Flying Hoopoe Voles | Seana | Hogan | F | Valley Springs | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 54 | Two Mixed | FIN | 20:59:00 | 10 | HOF | |
| Flying Hoopoe Voles | Joel | Sothern | M | Thousand Oaks | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 56 | Two Mixed | FIN | 20:59:00 | 6 | HOF | |
| Flying Monkey | Dante | Recio | M | Rowland Heights | California | USA | USA | 2014 Trona 308 | 49 | Solo | FIN | 26:24:00 | 2 | ||
| Flying Monkey | Dante | Recio | M | Rowland Heights | California | USA | Philippines | 2014 Silver State 508 | 49 | Solo | FIN | 46:44:00 | 2 | ||
| Flying Pig | Martin | Dressman | M | Cincinnati | Ohio | USA | USA | 2006 Furnace Creek 508 | 42 | Solo | DNF | ||||
| Flying Pug | Domingo | Garcia | M | Malibu | California | USA | USA | 2023 Silver State 508 | N/A | Solo | DNF | ||||
| Flying Sharks | Nancy | Mason | F | Los Altos | California | USA | USA | 2016 Silver State 508 | 54 | Two Mixed | FIN | 35:11:00 | 4 | ||
| Flying Sharks | Nicholas | Rice | M | Santa Clara | California | USA | USA | 2016 Silver State 508 | 35 | Two Mixed | FIN | 35:11:00 | 3 | ||
| Flying Squirrel | Paul | Fabish | M | USA | USA | 1989 April RAAM Open West | 30 | Solo | DNF | 1 | |||||
| Flying Squirrel | Paul | Fabish | M | USA | USA | 1989 June RAAM Open West | 30 | Solo | DNF | 1 | |||||
| Flying Squirrel | Paul | Fabish | M | USA | USA | 1994 Furnace Creek 508 | 35 | Solo | DNF | 1 | |||||
| Flying Squirrel | Paul | Fabish | M | USA | USA | 1995 Furnace Creek 508 | 36 | Solo | FIN | 40:31:03 | 1 | ||||
| Flying Tatonkas | James | Cawthon | M | Garden Grove | California | USA | USA | 2012 Furnace Creek 508 | 60 | Two Man | FIN | 35:07:33 | 1 | ||
| Flying Tatonkas | Edward | Gallegos | M | Los Alamitos | California | USA | USA | 2012 Furnace Creek 508 | 52 | Two Man | FIN | 35:07:33 | 1 | ||
| Flying Voles | Keith | Laird | M | Ventura | California | USA | USA | 2009 Furnace Creek 508 | 55 | Two Man | DNF | 2 | |||
| Flying Voles | Joel | Sothern | M | Laguna Niguel | California | USA | USA | 2009 Furnace Creek 508 | 52 | Two Man | DNF | 6 | HOF | ||
| Flying Voles | Keith | Laird | M | Ventura | California | USA | USA | 2010 Furnace Creek 508 | 56 | Two Man | FIN | 29:46:52 | 2 | ||
| Flying Voles | Joel | Sothern | M | Thousand Oaks | California | USA | USA | 2010 Furnace Creek 508 | 53 | Two Man | FIN | 29:46:52 | 6 | HOF | |
| Flying Voles | Steve | Gerbig | M | Evansville | Indiana | USA | USA | 2011 Furnace Creek 508 | 66 | Two Man | FIN | 30:39:58 | 1 | ||
| Flying Voles | Joel | Sothern | M | Thousand Oaks | California | USA | USA | 2011 Furnace Creek 508 | 54 | Two Man | FIN | 30:39:58 | 6 | HOF | |
| Flying Voles | Paul | Carpenter | M | Batavia | Illinois | USA | USA | 2012 Furnace Creek 508 | 53 | Two Man | FIN | 27:40:05 | 2 | ||
| Flying Voles | Joel | Sothern | M | Thousand Oaks | California | USA | USA | 2012 Furnace Creek 508 | 55 | Two Man | FIN | 27:40:05 | 6 | HOF | |
| Foals | David | Bradley | M | Arcata | California | USA | USA | 2005 Furnace Creek 508 | 46 | Four Man | FIN | 33:02:02 | 4 | ||
| Foals | John T. | Clare | M | Long Beach | California | USA | USA | 2005 Furnace Creek 508 | 64 | Four Man | FIN | 33:02:02 | 5 | HOF | |
| Foals | Rick | Jacobson | M | Reseda | California | USA | USA | 2005 Furnace Creek 508 | 47 | Four Man | FIN | 33:02:02 | 3 | ||
| Foals | Ira | Kucheck | M | Newport Beach | California | USA | USA | 2005 Furnace Creek 508 | 49 | Four Man | FIN | 33:02:02 | 6 | HOF | |
| Foals | John | Clare | M | Long Beach | California | USA | USA | 2012 Furnace Creek 508 | 49 | Four Man | FIN | 32:37:52 | 6 | HOF | |
| Foals | Rick | Jacobson | M | Van Nuys | California | USA | USA | 2012 Furnace Creek 508 | 54 | Four Man | FIN | 32:37:52 | 3 | ||
| Foals | Ira | Kucheck | M | Boulder | California | USA | USA | 2012 Furnace Creek 508 | 56 | Four Man | FIN | 32:37:52 | 6 | HOF | |
| Foals | Didier | Ryser | M | Irvine | California | USA | Switzerland | 2012 Furnace Creek 508 | 42 | Four Man | FIN | 32:37:52 | 4 | ||
| Foals | John | Clare | M | Long Beach | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 50 | Four Man | FIN | 24:27:00 | 6 | HOF | |
| Foals | Scott | Clare | M | Long Beach | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 23 | Four Man | FIN | 24:27:00 | 1 | ||
| Foals | Ira | Kucheck | M | Newport Beach | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 57 | Four Man | FIN | 24:27:00 | 6 | HOF | |
| Foals | Didier | Ryser | M | Irvine | California | USA | Switzerland | 2013 Furnace Creek 508, AKA Trona 353 | 43 | Four Man | FIN | 24:27:00 | 4 | ||
| Foo Dogs | Linda | Bott | F | Ventura | California | USA | USA | 2009 Furnace Creek 508 | 52 | Two Tandem Mixed | FIN | 38:48:03 | 5 | HOF | |
| Foo Dogs | Foster | Nagaoka | M | Ventura | California | USA | USA | 2009 Furnace Creek 508 | 51 | Two Tandem Mixed | FIN | 38:48:03 | 1 | ||
| Foo Dogs | Anna | Stewart | F | Janesville | California | USA | USA | 2009 Furnace Creek 508 | 48 | Two Tandem Mixed | FIN | 38:48:03 | 2 | ||
| Foo Dogs | Rick | Stewart | M | Janesville | California | USA | USA | 2009 Furnace Creek 508 | 51 | Two Tandem Mixed | FIN | 38:48:03 | 2 | ||
| Fossa | John | Tarlton | M | Palo Alto | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 44 | Solo | FIN | 32:51:00 | 1 | ||
| Foxhound | Matt | Ford | M | Mission Viejo | California | USA | USA | 1993 Furnace Creek 508 | N/A | Solo | DNF | 1 | |||
| Foxhound | Matt | Ford | M | Mission Viejo | California | USA | USA | 1994 Furnace Creek 508 | N/A | Solo | FIN | 39:12:31 | 1 | ||
| Francolin | Frank | Fumich | M | Arlington | Virginia | USA | USA | 2010 Furnace Creek 508 | 43 | Solo | FIN | 44:55:48 | 1 | ||
| Free Bird | Brian | Johnson | M | Beaumont | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 40 | Two Man | FIN | 23:22:00 | 3 | ||
| Free Bird | Matt | Kearney | M | Beaumont | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 29 | Two Man | FIN | 23:22:00 | 1 | ||
| Free Birds | Brian | Johnson | M | Beaumont | California | USA | USA | 2015 Silver State 508 | 41 | Two Man | FIN | 29:15:14 | 3 | ||
| Free Birds | Jose | Laureano | M | Chino | California | USA | USA | 2015 Silver State 508 | 37 | Two Man | FIN | 29:15:14 | 1 | ||
| French Frog | Pascal | Pechallat | M | Lyon | France | France | 2006 Furnace Creek 508 | 42 | Solo | DNF | |||||
| Frigate Bird | Cliff | Rigsbee | M | Honolulu | Hawaii | USA | USA | 2009 Furnace Creek 508 | 56 | Solo | DNF | ||||
| Frisky Beerded Goat | Robert | Mann | M | Whittier | California | USA | USA | 2020 Silver State 508 | 44 | Solo Fixed Gear | DNF | 2 | |||
| Frisky Beerded Goat | Robert | Mann | M | Whittier | California | USA | USA | 2021 Silver State 508 | 44 | Solo Fixed Gear | DNF | 2 | |||
| Frisky Beerded Goat | Robert | Mann | M | Whittier | California | USA | USA | 2024 Silver State 508 | N/A | Solo Fixed Gear | FIN | 46:00:30 | 2 | ||
| Frisky Camel | Shai | Shprung | M | Encino | California | USA | Israel | 2012 Furnace Creek 508 | 45 | Solo Fixed Gear | FIN | 40:38:40 | 5 | HOF | |
| Frisky Camel | Shai | Shprung | M | Encino | California | USA | Israel | 2013 Furnace Creek 508, AKA Trona 353 | 46 | Solo Fixed Gear | FIN | 27:21:00 | 5 | HOF | |
| Frisky Camel | Shai | Shprung | M | Encino | California | USA | Israel | 2015 Silver State 508 | 48 | Solo Randonneur Fixed Gear | FIN | 43:08:00 | 5 | HOF | |
| Frisky Camel | Shai | Shprung | M | Encino | California | USA | Israel | 2018 Silver State 508 | 51 | Solo Randonneur Fixed Gear | FIN | 46:59:52 | 5 | HOF | |
| Frisky Camel | Shai | Shprung | M | Encino | California | USA | Israel | 2019 Silver State 508 | 52 | Solo Randonneur Fixed Gear | FIN | 41:32:41 | 5 | HOF | |
| Frog | Keith | Fraser | M | Vancouver | British Columbia | Canada | Canada | 1994 Furnace Creek 508 | N/A | Solo | DNF | ||||
| Frog Dog | Pierre | Ostor | M | White Bear Lake | Minnesota | USA | France | 2009 Furnace Creek 508 | 53 | Solo | DNF | ||||
| Froggy | Tracy | Fawns | F | Bend | Oregon | USA | USA | 2001 Furnace Creek 508 | 30 | Solo | DNF | ||||
| Frostbite Seal | Michael | Benedict | M | Las Vegas | Nevada | USA | USA | 2011 Furnace Creek 508 | 45 | Solo | DNF | 1 | |||
| Frostbite SEAL | Michael | Benedict | M | North Las Vegas | Nevada | USA | USA | 2012 Furnace Creek 508 | 46 | Solo | FIN | 46:38:30 | 1 | ||
| Fruit Bat | Tom | Bower | M | Ojai | California | USA | USA | 2006 Furnace Creek 508 | 52 | Four Man | FIN | 29:15:30 | 1 | ||
| Fruit Bat | Ronald | Flagg | M | Frederick | Maryland | USA | USA | 2006 Furnace Creek 508 | 38 | Four Man | FIN | 29:15:30 | 1 | ||
| Fruit Bat | Justin | Lucke | M | San Francisco | California | USA | USA | 2006 Furnace Creek 508 | 32 | Four Man | FIN | 29:15:30 | 1 | ||
| Fruit Bat | Bradley | Saul | M | Graton | California | USA | USA | 2006 Furnace Creek 508 | 28 | Four Man | FIN | 29:15:30 | 1 | ||
| Fruit Bat | Douglas | Long | M | Ft Hood | Texas | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 31 | Solo | DNF | ||||
| Gallus Gallus | Martin | Kristensen | M | Copenhagen | Denmark | Denmark | 2006 Furnace Creek 508 | 32 | Two Mixed | FIN | 28:20:31 | 1 | |||
| Gallus Gallus | Christina | Peick | F | Copenhagen | Denmark | Denmark | 2006 Furnace Creek 508 | 32 | Two Mixed | FIN | 28:20:31 | 1 | |||
| Gallus Gallus | Martin | Kristensen | M | Copenhagen | Denmark | Denmark | Denmark | 2007 Furnace Creek 508 | 33 | Solo | DNF | 1 | |||
| Gargoyle | Joe | Garza | M | Henderson | Nevada | USA | USA | 2005 Furnace Creek 508 | 34 | Solo | FIN | 33:27:33 | 1 | ||
| Garibaldi | Thomas | Cassidy | M | Sierra Madre | California | USA | USA | 2016 Silver State 508 | 59 | Two Man | FIN | 37:54:00 | 1 | ||
| Garibaldi | Ray | Zambroski | M | Solana Beach | California | USA | USA | 2016 Silver State 508 | 51 | Two Man | FIN | 37:54:00 | 1 | ||
| Garuda | Cara | Gillis | F | Huntington Beach | California | USA | Canada | 2008 Furnace Creek 508 | 30 | Two Woman | DNF | 5 | HOF | ||
| Garuda | Claudine | Kelly | F | Stanford | Connecticut | USA | USA | 2008 Furnace Creek 508 | 38 | Two Woman | DNF | ||||
| Gastropod | Dan | Crain | M | Irvine | California | USA | USA | 2000 Furnace Creek 508 | 55 | Four Man | FIN | 28:35:01 | 7 | HOF | |
| Gastropod | Charles | Griffice | M | Orange | California | USA | USA | 2000 Furnace Creek 508 | 51 | Four Man | FIN | 28:35:01 | 1 | ||
| Gastropod | Dave | Kessler | M | Santa Monica | California | USA | USA | 2000 Furnace Creek 508 | 49 | Four Man | FIN | 28:35:01 | 1 | ||
| Gastropod | Tom | Parkes | M | Santa Ana | California | USA | USA | 2000 Furnace Creek 508 | 56 | Four Man | FIN | 28:35:01 | 1 | ||
| Gazelle | Frank | Goulard | M | Beaverton | Oregon | USA | USA | 1992 Furnace Creek 508 | 40 | Solo | FIN | 35:40:45 | 1 | ||
| Gazelle | Frank | Goulard | M | Lake Oswego | Oregon | USA | USA | 1993 Furnace Creek 508 | 41 | Solo | DNF | 1 | |||
| Gazelle | Frank | Goulard | M | Lake Oswego | Oregon | USA | USA | 1994 Furnace Creek 508 | 42 | Solo | DNF | 1 | |||
| Gecko | Charles | Giles | M | Tucson | Arizona | USA | USA | 1997 Furnace Creek 508 | 57 | Solo | DNF | ||||
| Gecko | Charles | Giles | M | Tuson | Arizona | USA | USA | 2000 Furnace Creek 508 | 60 | Solo | DNF | ||||
| Gecko | Charles | Giles | M | Tucson | Arizona | USA | USA | 2001 Furnace Creek 508 | 61 | Solo | DNF | ||||
| Gecko | Charles | Giles | M | Tucson | Arizona | USA | USA | 2003 Furnace Creek 508 | 63 | Solo | DNF | ||||
| GeoDuck | John | Pearch | M | Olympia | Washington | USA | USA | 2012 Furnace Creek 508 | 39 | Solo | FIN | 42:00:24 | 1 | ||
| Gerbil | Gerald | Goode | M | Tucson | Arizona | USA | USA | 2004 Furnace Creek 508 | 65 | Solo | DNF | crash | 1 | ||
| Gerbil | Gerald | Goode | M | Tucson | Arizona | USA | USA | 2005 Furnace Creek 508 | 66 | Solo | FIN | 37:38:52 | 1 | ||
| Gerenuk | Barry | Dickson | M | Ashburn | Virginia | USA | Australia | 2014 Trona 308 | 51 | Solo Randonneur | DNF | ||||
| German Shepherd | Markus | Wiaderek | M | Ile Bizard | Quebec | Canada | Germany | 2012 Furnace Creek 508 | 44 | Solo | FIN | 45:26:45 | 1 | ||
| Ghost Bat | Deke | Morrow | M | Marion | Iowa | USA | USA | 2014 Trona 308 | 53 | Solo Randonneur | DNF | ||||
| Giant Water Bug | Lindsey | Gray | F | Henderson | Nevada | USA | USA | 2005 Furnace Creek 508 | 17 | Tandem Mixed | DNF | ||||
| Giant Water Bug | Steve | Gray | M | Henderson | Nevada | USA | USA | 2005 Furnace Creek 508 | 44 | Tandem Mixed | DNF | 4 | |||
| Giant Water Bug | Steve | Gray | M | Henderson | Nevada | USA | USA | 2006 Furnace Creek 508 | 45 | Solo | FIN | 47:55:50 | 4 | ||
| Giant Water Bug | Lindsey | Gray | F | Henderson | Nevada | USA | USA | 2007 Furnace Creek 508 | 19 | Solo Tandem | DNF | ||||
| Giant Water Bug | Steve | Gray | M | Henderson | Nevada | USA | USA | 2007 Furnace Creek 508 | 45 | Solo Tandem | DNF | 4 | |||
| Giant Water Bug | Steve | Gray | M | Henderson | Nevada | USA | USA | 2008 Furnace Creek 508 | 46 | Solo Classic | FIN | 44:03:36 | First ever finisher, Classic Bike Division | 4 | |
| Giant Water Bug | Steve | Gray | M | Henderson | Nevada | USA | USA | 2009 Furnace Creek 508 | 48 | Solo | DNF | 4 | |||
| Giant Water Bug | Steve | Gray | M | Henderson | Nevada | USA | USA | 2010 Furnace Creek 508 | 49 | Solo Classic | FIN | 47:29:19 | 4 | ||
| Giant Water Bug | Steve | Gray | M | Henderson | Nevada | USA | USA | 2011 Furnace Creek 508 | 50 | Solo | FIN | 45:36:00 | 4 | ||
| Gibbon | Kara | Calmettes | F | Sisters | Oregon | USA | USA | 2012 Furnace Creek 508 | 44 | Two Mixed | FIN | 31:36:48 | 1 | ||
| Gibbon | Gregg | Geser | M | Sisters | Oregon | USA | USA | 2012 Furnace Creek 508 | 59 | Two Mixed | FIN | 31:36:48 | 3 | ||
| Gibbon | Gregg | Geser | M | Sisters | Oregon | USA | USA | 2014 Silver State 508 | 61 | Solo | FIN | 31:18:00 | 3 | ||
| Gibbon | Gregg | Geser | M | Oracle | Arizona | USA | USA | 2024 Silver State 508 | N/A | Solo | DNF | 3 | |||
| Gila Chub | Alan | Johnson | M | Phoenix | Arizona | USA | USA | 2014 Trona 308 | 57 | Solo | FIN | 28:14:00 | 1 | ||
| Gila Chub | Alan | Johnson | M | Phoenix | Arizona | USA | USA | 2014 Silver State 508 | 58 | Solo | DNF | 1 | |||
| Gila Chub | Colan | Arnold | M | Grinnell | Iowa | USA | USA | 2020 Silver State 508 | 63 | Two Man Open | FIN | 36:55:49 | 1 | ||
| Gila Chub | Alan | Johnson | M | Phoenix | Arizona | USA | USA | 2020 Silver State 508 | 63 | Two Man Open | FIN | 36:55:49 | 1 | ||
| Gila Monster | Tom | Nieman | M | Arizona | USA | USA | 1994 Furnace Creek 508 | 38 | Solo | DNF | |||||
| Gila Monster | Tom | Nieman | M | Tucson | Arizona | USA | USA | 1999 Furnace Creek 508 | 43 | Solo | DNF | TS2 - "just done" | |||
| Ginger Cat | M Patricia | George | F | Denver | Colorado | USA | USA | 2017 Silver State 508 | 43 | Solo | FIN | 37:50:00 | 1 | ||
| Giraffe | Jodi | Groesbeck | F | Sharon | New Hampshire | USA | USA | 1993 Furnace Creek 508 | 34 | Solo | FIN | 41:31:28 | 1 | ||
| Gnu | Nick | Gerlich | M | Canyon | Texas | USA | USA | 1990 October RAAM Open West | 31 | Solo | DNF | 2 | |||
| Gnu | Nick | Gerlich | M | NA | 346 | USA | USA | 1991 April RAAM Open West | N/A | Solo | DNF | 2 | |||
| Gnu | Nick | Gerlich | M | Canyon | Texas | USA | USA | 1995 Furnace Creek 508 | 36 | Solo | FIN | 30:07:40 | 2 | ||
| Goat | Morgan | Beeby | M | Los Angeles | California | USA | United Kingdom | 2005 Furnace Creek 508 | 27 | Solo | FIN | 40:41:48 | 1 | ||
| Godwit | Cara | Gillis | F | Huntington Beach | California | USA | Canada | 2009 Furnace Creek 508 | 31 | Two Mixed | FIN | 33:13:53 | 5 | HOF | |
| Godwit | Jeff | Lawler | M | Huntington Beach | California | USA | USA | 2009 Furnace Creek 508 | 39 | Two Mixed | FIN | 33:13:53 | 4 | ||
| Godwit | Cara | Gillis | F | Los Angeles | California | USA | Canada | 2010 Furnace Creek 508 | 32 | Two Mixed | FIN | 29:51:36 | 5 | HOF | |
| Godwit | Jeff | Lawler | M | Los Angeles | California | USA | USA | 2010 Furnace Creek 508 | 40 | Two Mixed | FIN | 29:51:36 | 4 | ||
| Godwit | Cara | Gillis | F | Los Angeles | California | USA | Canada | 2011 Furnace Creek 508 | 32 | Two Mixed | FIN | 29:16:15 | 5 | HOF | |
| Godwit | Jeff | Lawler | M | Los Angeles | California | USA | USA | 2011 Furnace Creek 508 | 41 | Two Mixed | FIN | 29:16:15 | 4 | ||
| Godzilla | Karta | Atehortua | M | Palo Alto | California | USA | USA | 2007 Furnace Creek 508 | 30 | Solo Recumbent | FIN | 41:56:33 | 2 | ||
| Golden Dragon | Nicole | Honda | F | San Mateo | California | USA | USA | 2005 Furnace Creek 508 | 39 | Solo | FIN | 42:18:17 | 6 | HOF | |
| Golden Dragon | Nicole | Honda | F | San Mateo | California | USA | USA | 2007 Furnace Creek 508 | 41 | Solo | FIN | 39:52:59 | 6 | HOF | |
| Golden Drasenji | Bernie | Barge | M | San Miguel | California | USA | USA | 2006 Furnace Creek 508 | 46 | Two Mixed | FIN | 38:21:23 | 8 | HOF | |
| Golden Drasenji | Nicole | Honda | F | San Mateo | California | USA | USA | 2006 Furnace Creek 508 | 40 | Two Mixed | FIN | 38:21:23 | 6 | HOF | |
| Golden Eagle | Patrick | Cande | M | Papeete | Tahiti | French Polynesia | France | 2005 Furnace Creek 508 | 48 | Solo | FIN | 36:52:12 | 1 | ||
| Golden Gyrfalcon | Nicole | Honda | F | Ventura | California | USA | USA | 2009 Furnace Creek 508 | 43 | Two Mixed Classic | FIN | 36:23:34 | 6 | HOF | |
| Golden Gyrfalcon | Jim | Swarzman | M | Encino | California | USA | USA | 2009 Furnace Creek 508 | 45 | Two Mixed Classic | FIN | 36:23:34 | 2 | ||
| Golden Jackal | Bill | Bradley | M | Santa Rosa | California | USA | USA | 2007 Furnace Creek 508 | 47 | Solo | FIN | 46:14:32 | 1 | ||
| Golden Kuhol | Francis | Avecilla | M | Santa Monica | California | USA | USA | 2020 Silver State 508 | 59 | Four Mixed Open | FIN | 33:51:20 | 4 | ||
| Golden Kuhol | Abner | Hornedo | M | Los Angeles | California | USA | Australia | 2020 Silver State 508 | 53 | Four Mixed Open | FIN | 33:51:20 | 3 | ||
| Golden Kuhol | Cherminne Grace Guerrero | Hornedo | F | Los Angeles | California | USA | USA | 2020 Silver State 508 | 53 | Four Mixed Open | FIN | 33:51:20 | 4 | ||
| Golden Kuhol | Deo | Punongbayan | M | Monrovia | California | USA | Philippines | 2020 Silver State 508 | 59 | Four Mixed Open | FIN | 33:51:20 | 5 | HOF | |
| Golden Kuhol | Francis | Avecilla | M | Santa Monica | California | USA | USA | 2024 Silver State 508 | N/A | Four Mixed Open | FIN | 38:10:20 | 4 | ||
| Golden Kuhol | Abner | Hornedo | M | Los Angeles | California | USA | USA | 2024 Silver State 508 | N/A | Four Mixed Open | FIN | 38:10:20 | 3 | ||
| Golden Kuhol | Cherminne Grace Guerrero | Hornedo | F | Los Angeles | California | USA | USA | 2024 Silver State 508 | N/A | Four Mixed Open | FIN | 38:10:20 | 4 | ||
| Golden Kuhol | Deo | Punongbayan | M | Monrovio | California | USA | USA | 2024 Silver State 508 | N/A | Four Mixed Open | FIN | 38:10:20 | 5 | HOF | |
| Golden Kuhol | Francis | Avecilla | M | Santa Monica | California | USA | USA | 2025 The 508 | 65 | Four Mixed Open | FIN | 45:24:23 | Null | 4 | |
| Golden Kuhol | Abner | Hornedo | M | Los Angeles | California | USA | USA | 2025 The 508 | 58 | Four Mixed Open | FIN | 45:24:23 | Null | 3 | |
| Golden Kuhol | Cherminne Grace Guerrero | Hornedo | F | Los Angeles | California | USA | USA | 2025 The 508 | 58 | Four Mixed Open | FIN | 45:24:23 | Null | 4 | |
| Golden Kuhol | Deo | Punongbayan | M | Monrovia | California | USA | USA | 2025 The 508 | 64 | Four Mixed Open | FIN | 45:24:23 | Null | 5 | HOF |
| Golden Retriever | Herve | Talabardon | M | La Queue en Briet | Val de Marine | France | France | 2011 Furnace Creek 508 | 65 | Solo | FIN | 38:50:10 | 2 | ||
| Golden Retriever | Herve | Talabardon | M | La Queue en Brie | France | France | 2016 Silver State 508 | 69 | Solo | FIN | 35:18:00 | 2 | |||
| Golden Sun Dragon | Margie M. | Biddick | F | Aptos | California | USA | USA | 2004 Furnace Creek 508 | 46 | Two Woman | FIN | 36:41:15 | 1 | ||
| Golden Sun Dragon | Nicole | Honda | F | San Mateo | California | USA | USA | 2004 Furnace Creek 508 | 38 | Two Woman | FIN | 36:41:15 | 6 | HOF | |
| Golden Toad | Anthony | Johnson | M | Citrus Heights | California | USA | USA | 2011 Furnace Creek 508 | 45 | Two Mixed | FIN | 35:48:20 | 2 | ||
| Golden Toad | Lisa | Johnson | F | Citrus Heights | California | USA | USA | 2011 Furnace Creek 508 | 47 | Two Mixed | FIN | 35:48:20 | 3 | ||
| Golden Toad | Anthony | Johnson | M | Citrus Heights | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 47 | Two Mixed | FIN | 25:23:00 | 2 | ||
| Golden Toad | Lisa | Johnson | F | Citrus Heights | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 49 | Two Mixed | FIN | 25:23:00 | 3 | ||
| Goose | Gilles | Robert | M | Hawkesbury | Ontario | Canada | Canada | 1994 Furnace Creek 508 | N/A | Solo | DNF | ||||
| Gopher | Bob | McEnaney | M | Woodbury | Minnesota | USA | USA | 2012 Furnace Creek 508 | 54 | Solo | FIN | 42:39:35 | 1 | ||
| Gorilla | Gregg | Geser | M | Sisters | Oregon | USA | USA | 2002 Furnace Creek 508 | 49 | Solo | FIN | 33:52:35 | New Qual. | 3 | |
| Gorilla | Gregg | Geser | M | Sisters | Oregon | USA | USA | 2003 Furnace Creek 508 | 50 | Solo | DNF | 3 | |||
| Gorilla | Gregg | Geser | M | Sisters | Oregon | USA | USA | 2004 Furnace Creek 508 | 51 | Solo | DNF | exhaustion | 3 | ||
| Gorilla | Gregg | Geser | M | Sisters | Oregon | USA | USA | 2005 Furnace Creek 508 | 52 | Solo | DNF | 3 | |||
| Gorilla | Gregg | Geser | M | Sisters | Oregon | USA | USA | 2007 Furnace Creek 508 | 54 | Solo | DNF | 3 | |||
| Gorilla | Joe | Pixley | M | Springfield | Virginia | USA | USA | 2015 Silver State 508 | 52 | Solo Recumbent | FIN | 40:16:30 | 1 | ||
| GosHawk | Wayne | Greenway | M | Moraga | California | USA | USA | 1999 Furnace Creek 508 | 40 | Solo | FIN | 35:35:28 | RQ | 1 | |
| Grasshopper | Clayton | Gardinier | M | USA | USA | 1996 Furnace Creek 508 | 44 | Solo | DNF | ||||||
| Grasshopper | Clayton | Gardinier | M | USA | USA | 1997 Furnace Creek 508 | 45 | Solo | DNF | ||||||
| Grasshopper 2 | David | Neff | M | Fair Oaks | California | USA | USA | 2010 Furnace Creek 508 | 62 | Solo | FIN | 44:16:37 | 2 | ||
| Grasshopper 2 | David | Neff | M | Fair Oaks | California | USA | USA | 2012 Furnace Creek 508 | 64 | Solo | FIN | 44:09:51 | 2 | ||
| Grasshopper 2 | David | Neff | M | Fair Oaks | California | USA | USA | 2015 Silver State 508 | 67 | Solo Randonneur | DNF | 2 | |||
| Gray Fox | Kenneth | Isaak | M | Santa Ana | California | USA | USA | 2005 Furnace Creek 508 | 42 | Four Man | FIN | 30:22:41 | 1 | ||
| Gray Fox | Barry | Martin | M | San Diego | California | USA | USA | 2005 Furnace Creek 508 | 53 | Four Man | FIN | 30:22:41 | 5 | HOF | |
| Gray Fox | Lance | Martini | M | San Diego | California | USA | USA | 2005 Furnace Creek 508 | 50 | Four Man | FIN | 30:22:41 | 2 | ||
| Gray Fox | Chris | Roberts | M | Playa Del Rey | California | USA | USA | 2005 Furnace Creek 508 | 50 | Four Man | FIN | 30:22:41 | 2 | ||
| Gray Fox | Barry | Martin | M | San Diego | California | USA | USA | 2006 Furnace Creek 508 | 54 | Four Man | FIN | 31:40:10 | 5 | HOF | |
| Gray Fox | Lance | Martini | M | San Diego | California | USA | USA | 2006 Furnace Creek 508 | 51 | Four Man | FIN | 31:40:10 | 2 | ||
| Gray Fox | Ed | Meers | M | Los Angeles | California | USA | USA | 2006 Furnace Creek 508 | 50 | Four Man | FIN | 31:40:10 | 1 | ||
| Gray Fox | Chris | Roberts | M | Playa Del Rey | California | USA | USA | 2006 Furnace Creek 508 | 51 | Four Man | FIN | 31:40:10 | 2 | ||
| Gray Goose | Debra | Banks | F | Sacramento | California | USA | USA | 2012 Furnace Creek 508 | 55 | Four Tandem Mixed | FIN | 34:40:17 | 4 | ||
| Gray Goose | Steve | Gooselaw | M | Orange | California | USA | USA | 2012 Furnace Creek 508 | 51 | Four Tandem Mixed | FIN | 34:40:17 | 3 | ||
| Gray Goose | Julie | Gray | F | Orange | California | USA | USA | 2012 Furnace Creek 508 | 52 | Four Tandem Mixed | FIN | 34:40:17 | 2 | ||
| Gray Goose | Tim | Mason | M | Sacramento | California | USA | USA | 2012 Furnace Creek 508 | 51 | Four Tandem Mixed | FIN | 34:40:17 | 1 | ||
| Gray Goose | Jason | McPhate | M | Oakland | California | USA | USA | 2012 Furnace Creek 508 | 44 | Four Tandem Mixed | FIN | 34:40:17 | 1 | ||
| Gray Goose | Lisa-Susan | McPhate | F | Oakland | California | USA | USA | 2012 Furnace Creek 508 | 45 | Four Tandem Mixed | FIN | 34:40:17 | 1 | ||
| Gray Goose | Willy | Nevin | M | pacifica | California | USA | USA | 2012 Furnace Creek 508 | 53 | Four Tandem Mixed | FIN | 34:40:17 | 5 | HOF | |
| Gray Goose | Nancy | Yu | F | Martinez | California | USA | USA | 2012 Furnace Creek 508 | 51 | Four Tandem Mixed | FIN | 34:40:17 | 1 | ||
| Gray Goose | Steve | Gooselaw | M | Orange | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 52 | Two Mixed | FIN | 24:39:00 | 3 | ||
| Gray Goose | Maria del Pilar | Vazquez | F | San Juan | Puerto Rico | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 42 | Two Mixed | FIN | 24:39:00 | 2 | ||
| Gray Hare | Larry | Hildenbrand | M | Creston | California | USA | USA | 2012 Furnace Creek 508 | 59 | Solo | DNF | 1 | |||
| Gray Hare | Larry | Hildenbrand | M | Creston | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 60 | Two Man | FIN | 25:11:00 | 1 | ||
| Gray Hare | Jason | Liao | M | Cupertino | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 47 | Two Man | FIN | 25:11:00 | 1 | ||
| Gray Wolf | James | Silence | M | Duarte | California | USA | USA | 2005 Furnace Creek 508 | 46 | Solo | DNF | ||||
| Gray Wolf | Ross | Rader | M | Toronto | Ontario | Canada | Canada | 2009 Furnace Creek 508 | 38 | Solo | FIN | 39:41:43 | 1 | ||
| Graywolf | James | Silence | M | Duarte | California | USA | USA | 2002 Furnace Creek 508 | 43 | Solo | DNF | ||||
| Great American Toad | Lon | Haldeman | M | Sharon | Wisconsin | USA | USA | 2011 Furnace Creek 508 | 53 | Four Man | FIN | 30:10:03 | Legends of Ultra! | 1 | |
| Great American Toad | John | Howard | M | Encinitas | California | USA | USA | 2011 Furnace Creek 508 | 64 | Four Man | FIN | 30:10:03 | Legends of Ultra! | 1 | |
| Great American Toad | John | Marino | M | Irvine | California | USA | USA | 2011 Furnace Creek 508 | 63 | Four Man | FIN | 30:10:03 | Legends of Ultra! | 1 | |
| Great American Toad | Michael | Shermer | M | Altadena | California | USA | USA | 2011 Furnace Creek 508 | 57 | Four Man | FIN | 30:10:03 | Legends of Ultra! | 1 | |
| Great Basin Bumblebee | Rebecca | Eckland | F | Reno | Nevada | USA | USA | 2017 Silver State 508 | 35 | Four Woman | FIN | 29:00:00 | 7 | HOF | |
| Great Basin Bumblebee | Monica | Grashuis | F | Reno | Nevada | USA | USA | 2017 Silver State 508 | 48 | Four Woman | FIN | 29:00:00 | 2 | ||
| Great Basin Bumblebee | Katie | Heyder | F | Carson City | Nevada | USA | USA | 2017 Silver State 508 | 36 | Four Woman | FIN | 29:00:00 | 1 | ||
| Great Basin Bumblebee | Rhonda | Yeager | F | Verdi | Nevada | USA | USA | 2017 Silver State 508 | 37 | Four Woman | FIN | 29:00:00 | 4 | ||
| Great Basin Canis Latrans | Shane | Trotter | M | Carson City | Nevada | USA | USA | 2021 Silver State 508 | 38 | Solo | FIN | 26:53:16 | New 30+ solo record | 5 | HOF |
| Great Basin Ichthyosaur | Jami | Horner | F | Reno | Nevada | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 35 | Two Mixed | FIN | 23:33:00 | 4 | ||
| Great Basin Ichthyosaur | Rich | Staley | M | Reno | Nevada | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 44 | Two Mixed | FIN | 23:33:00 | 11 | HOF | |
| Great Basin Ichthyosaur | Rich | Staley | M | Reno | Nevada | USA | USA | 2014 Trona 308 | 44 | Solo | FIN | 18:56:00 | 11 | HOF | |
| Great Basin Ichthyosaur | Rich | Staley | M | Reno | Nevada | USA | USA | 2014 Silver State 508 | 45 | Solo | FIN | 34:55:00 | 11 | HOF | |
| Great Basin Ichthyosaur | Jami | Horner | F | Reno | Nevada | USA | USA | 2015 Silver State 508 | 37 | Two Mixed | FIN | 30:39:20 | 4 | ||
| Great Basin Ichthyosaur | Rich | Staley | M | Reno | Nevada | USA | USA | 2015 Silver State 508 | 46 | Two Mixed | FIN | 30:39:20 | 11 | HOF | |
| Great Basin Ichthyosaur | Rebecca | Eckland | F | Reno | Nevada | USA | USA | 2016 Silver State 508 | 34 | Four Mixed | FIN | 28:17:00 | 7 | HOF | |
| Great Basin Ichthyosaur | Fritz | Fleischmann | M | Sparks | Nevada | USA | USA | 2016 Silver State 508 | 61 | Four Mixed | FIN | 28:17:00 | 2 | ||
| Great Basin Ichthyosaur | Jami | Horner | F | Reno | Nevada | USA | USA | 2016 Silver State 508 | 38 | Four Mixed | FIN | 28:17:00 | 4 | ||
| Great Basin Ichthyosaur | Rich | Staley | M | Reno | Nevada | USA | USA | 2016 Silver State 508 | 47 | Four Mixed | FIN | 28:17:00 | 11 | HOF | |
| Great Basin Ichthyosaur | Fritz | Fleischmann | M | Sparks | Nevada | USA | USA | 2017 Silver State 508 | 62 | Four Mixed | FIN | 29:37:00 | 2 | ||
| Great Basin Ichthyosaur | Jami | Horner | F | Reno | Nevada | USA | USA | 2017 Silver State 508 | 39 | Four Mixed | FIN | 29:37:00 | 4 | ||
| Great Basin Ichthyosaur | Rich | Staley | M | RENO | Nevada | USA | USA | 2017 Silver State 508 | 48 | Four Mixed | FIN | 29:37:00 | 11 | HOF | |
| Great Basin Ichthyosaur | Bridget | Webster | F | Reno | Nevada | USA | USA | 2017 Silver State 508 | 55 | Four Mixed | FIN | 29:37:00 | 1 | ||
| Great Basin Ichthyosaur | Rebecca | Eckland | F | Reno | Nevada | USA | USA | 2018 Silver State 508 | 36 | Four Mixed | FIN | 29:33:34 | Course record 40+ mixed 4x | 7 | HOF |
| Great Basin Ichthyosaur | Monica | Grashuis | F | Reno | Nevada | USA | USA | 2018 Silver State 508 | 49 | Four Mixed | FIN | 29:33:34 | Course record 40+ mixed 4x | 2 | |
| Great Basin Ichthyosaur | Tilio | Lagatta | M | Reno | Nevada | USA | USA | 2018 Silver State 508 | 47 | Four Mixed | FIN | 29:33:34 | Course record 40+ mixed 4x | 1 | |
| Great Basin Ichthyosaur | Rich | Staley | M | RENO | Nevada | USA | USA | 2018 Silver State 508 | 49 | Four Mixed | FIN | 29:33:34 | Course record 40+ mixed 4x | 11 | HOF |
| Great Basin Ichthyosaur | Rebecca | Eckland | F | Reno | Nevada | USA | USA | 2019 Silver State 508 | 37 | Four Mixed Open | FIN | 26:38:21 | 7 | HOF | |
| Great Basin Ichthyosaur | Rich | Staley | M | RENO | Nevada | USA | USA | 2019 Silver State 508 | 50 | Four Mixed Open | FIN | 26:38:21 | 11 | HOF | |
| Great Basin Ichthyosaur | Mike | Taylor | M | Reno | Nevada | USA | USA | 2019 Silver State 508 | 51 | Four Man | FIN | 26:38:21 | 1 | ||
| Great Basin Ichthyosaur | Kevin | Weiske | M | Reno | Nevada | USA | USA | 2019 Silver State 508 | 60 | Four Mixed Open | FIN | 26:38:21 | 4 | ||
| Great Basin Ichthyosaur | Rebecca | Eckland | F | Reno | Nevada | USA | USA | 2020 Silver State 508 | 38 | Four Mixed Open | FIN | 28:09:02 | 7 | HOF | |
| Great Basin Ichthyosaur | Rich | Staley | M | RENO | Nevada | USA | USA | 2020 Silver State 508 | 51 | Four Mixed Open | FIN | 28:09:02 | 11 | HOF | |
| Great Basin Ichthyosaur | Brandon | Tinianov | M | Santa Clara | California | USA | USA | 2020 Silver State 508 | 51 | Four Mixed Open | FIN | 28:09:02 | 2 | ||
| Great Basin Ichthyosaur | Rhonda | Yeager | F | Verdi | Nevada | USA | USA | 2020 Silver State 508 | 40 | Four Mixed Open | FIN | 28:09:02 | 4 | ||
| Great Basin Ichthyosaur | Rich | Mellum | M | Reno | Nevada | USA | USA | 2022 Silver State 508 | N/A | Four Mixed | FIN | 29:41:00 | 1 | ||
| Great Basin Ichthyosaur | Rich | Staley | M | Reno | Nevada | USA | USA | 2022 Silver State 508 | 53 | Four Mixed | FIN | 29:41:00 | 11 | HOF | |
| Great Basin Ichthyosaur | Kevin | Weiske | M | Reno | Nevada | USA | USA | 2022 Silver State 508 | 63 | Four Mixed | FIN | 29:41:00 | 4 | ||
| Great Basin Ichthyosaur | Rhonda | Yeager | F | Reno | Nevada | USA | USA | 2022 Silver State 508 | 42 | Four Mixed | FIN | 29:41:00 | 4 | ||
| Great Basin Ichthyosaur | Stacy | Mellum | M | Reno | Nevada | USA | USA | 2023 Silver State 508 | N/A | Four Man | FIN | 30:34:37 | 2 | ||
| Great Basin Ichthyosaur | Keith | Rush | M | Reno | Nevada | USA | USA | 2023 Silver State 508 | N/A | Four Man | FIN | 30:34:37 | 2 | ||
| Great Basin Ichthyosaur | Rich | Staley | M | Reno | Nevada | USA | USA | 2023 Silver State 508 | N/A | Four Man | FIN | 30:34:37 | 11 | HOF | |
| Great Basin Ichthyosaur | Kevin | Weiske | M | Reno | Nevada | USA | USA | 2023 Silver State 508 | N/A | Four Man | FIN | 30:34:37 | 4 | ||
| Great Basin Ichthyosaur | Rebecca | Eckland | F | Reno | Nevada | USA | USA | 2024 Silver State 508 | N/A | Four Mixed Open | FIN | 28:38:30 | 7 | HOF | |
| Great Basin Ichthyosaur | Eve | Nyrhinen | F | Reno | Nevada | USA | USA | 2024 Silver State 508 | N/A | Four Mixed Open | FIN | 28:38:30 | 1 | ||
| Great Basin Ichthyosaur | Rich | Staley | M | Reno | Nevada | USA | USA | 2024 Silver State 508 | N/A | Four Mixed Open | FIN | 28:38:30 | 11 | HOF | |
| Great Basin Ichthyosaur | Rhonda | Yeager | F | Reno | Nevada | USA | USA | 2024 Silver State 508 | N/A | Four Mixed Open | FIN | 28:38:30 | 4 | ||
| Great Basin Ichthyosaur II | Noah | Hospodka | M | Reno | Nevada | USA | USA | 2024 Silver State 508 | N/A | Four Man Open | FIN | 34:38:04 | 1 | ||
| Great Basin Ichthyosaur II | Ryan | Mill | M | Reno | Nevada | USA | USA | 2024 Silver State 508 | N/A | Four Man Open | FIN | 34:38:04 | 1 | ||
| Great Basin Ichthyosaur II | Aki | Nyrhinen | M | Reno | Nevada | USA | USA | 2024 Silver State 508 | N/A | Four Man Open | FIN | 34:38:04 | 1 | ||
| Great Basin Ichthyosaur II | Nick | Sundstrom | M | Reno | Nevada | USA | USA | 2024 Silver State 508 | N/A | Four Man Open | FIN | 34:38:04 | 1 | ||
| Great Basin Pronghorn | Stacy | Mellum | M | Reno | Nevada | USA | USA | 2024 Silver State 508 | N/A | Four Man Open | FIN | 30:29:23 | 2 | ||
| Great Basin Pronghorn | Keith | Rush | M | Reno | Nevada | USA | USA | 2024 Silver State 508 | N/A | Four Man Open | FIN | 30:29:23 | 2 | ||
| Great Basin Pronghorn | Kevin | Weiske | M | Reno | Nevada | USA | USA | 2024 Silver State 508 | N/A | Four Man Open | FIN | 30:29:23 | 4 | ||
| Great Basin Pronghorn | Frank | Winters | M | Reno | Nevada | USA | USA | 2024 Silver State 508 | N/A | Four Man Open | FIN | 30:29:23 | 1 | ||
| Great Basin Soaring Coots | Yann | Bertaud | M | Corte Madera | California | USA | France | 2020 Silver State 508 | 53 | Four Man Open | FIN | 23:04:02 | 4x Overall Record | 1 | |
| Great Basin Soaring Coots | Mark | Gibson | M | Irvine | California | USA | USA | 2020 Silver State 508 | 57 | Four Man Open | FIN | 23:04:02 | 4x Overall Record | 3 | |
| Great Basin Soaring Coots | Shane | Trotter | M | Carson City | Nevada | USA | USA | 2020 Silver State 508 | 37 | Four Man Open | FIN | 23:04:02 | 4x Overall Record | 5 | HOF |
| Great Basin Soaring Coots | Paul | webb | M | Mill Valley | California | USA | United Kingdom | 2020 Silver State 508 | 56 | Four Man Open | FIN | 23:04:02 | 4x Overall Record | 1 | |
| Great Dane | Gregory | Sherman | M | Chula Vista | California | USA | USA | 2006 Furnace Creek 508 | 40 | Solo | DNF | ||||
| Great Dane | Gregory | Sherman | M | Chula Vista | California | USA | USA | 2009 Furnace Creek 508 | 43 | Solo | DNF | ||||
| Great Dane | Andy | Christensen | M | Franksville | Wisconsin | USA | Denmark | 2019 Silver State 508 | 46 | Solo | FIN | 1 | |||
| Great Eagle | Jim | Harris | M | Palmdale | California | USA | USA | 2012 Furnace Creek 508 | 56 | Two Man | FIN | 43:29:54 | 1 | ||
| Great Eagle | Gene | Smith | M | Tujunga | California | USA | USA | 2012 Furnace Creek 508 | 66 | Two Man | FIN | 43:29:54 | 1 | ||
| Great Eagle | Jim | Harris | M | Palmdale | California | USA | USA | 2014 Trona 308 | 58 | Solo Randonneur Classic | DNF | 1 | |||
| Great Gray Owls | Stefan | Apitz | M | Fremont | California | USA | Germany | 2006 Furnace Creek 508 | 42 | Four Man | FIN | 34:47:55 | 1 | ||
| Great Gray Owls | Tom | Erceg | M | Castro Valley | California | USA | USA | 2006 Furnace Creek 508 | 44 | Four Man | FIN | 34:47:55 | 1 | ||
| Great Gray Owls | Russell | Jones | M | Union City | California | USA | USA | 2006 Furnace Creek 508 | 46 | Four Man | FIN | 34:47:55 | 1 | ||
| Great Gray Owls | Stephen | Wickland | M | Milpitas | California | USA | USA | 2006 Furnace Creek 508 | 49 | Four Man | FIN | 34:47:55 | 1 | ||
| Great Horned Owl | Keith | Flood | M | Santa Rosa | California | USA | USA | 2012 Furnace Creek 508 | 47 | Two Man | FIN | 34:15:04 | 1 | ||
| Great Horned Owl | Kurt | Pickle | M | Santa Rosa | California | USA | USA | 2012 Furnace Creek 508 | 42 | Two Man | FIN | 34:15:04 | 7 | HOF | |
| Great Lakes Wolf | Quentin | Broad | M | Toronto | Ontario | Canada | Canada | 2016 Silver State 508 | 52 | Two Mixed | FIN | 32:08:00 | 1 | ||
| Great Lakes Wolf | Linda | Spina | F | Toronto | Ontario | Canada | Canada | 2016 Silver State 508 | 47 | Two Mixed | FIN | 32:08:00 | 1 | ||
| Green Lion | Giovanni | Prosperi | M | Broadview Heights | Ohio | USA | Italy | 2019 Silver State 508 | 44 | Solo | FIN | 40:48:07 | 3 | ||
| Grey Kingbird | Maria del Pilar | Vazquez | F | San Juan | Puerto Rico | USA | USA | 2014 Silver State 508 | 43 | Solo | FIN | 45:37:00 | 2 | ||
| Greyhound | Joern | Gersbeck | M | Germany | Germany | 1998 Furnace Creek 508 | 29 | Solo | FIN | 33:33:20 | 1 | ||||
| Griffin | Kevin | Griffin | M | USA | USA | 1998 Furnace Creek 508 | 44 | Solo | DNF | 2 | |||||
| Griffin | Kevin | Griffin | M | San Carlos | California | USA | USA | 1999 Furnace Creek 508 | 45 | Solo | DNF | TS2 - heat | 2 | ||
| Griffin | Kevin | Griffin | M | Woodside | California | USA | USA | 2005 Furnace Creek 508 | 51 | Solo | FIN | 36:39:54 | 2 | ||
| Griffin | Kevin | Griffin | M | Woodside | California | USA | USA | 2006 Furnace Creek 508 | 52 | Solo | FIN | 37:50:24 | RAAM Qualified | 2 | |
| Griffin Bear | Cassie | Schumacher | F | Akron | Ohio | USA | USA | 2018 Silver State 508 | 46 | Solo | FIN | 35:43:30 | 1 | ||
| Griffin Bear | Cassie | Schumacher | F | Akron | Ohio | USA | USA | 2019 Silver State 508 | 47 | Solo | DNF | 1 | |||
| Grizz | Kevin | Baer | M | Moorpark | California | USA | USA | 2004 Furnace Creek 508 | 42 | Two Man | FIN | 36:05:21 | 2 | ||
| Grizz | Joe | Brown | M | Simi Valley | California | USA | USA | 2004 Furnace Creek 508 | 60 | Two Man | FIN | 36:05:21 | 3 | ||
| Grizzly | Kevin | Baer | M | Moorpark | California | USA | USA | 2003 Furnace Creek 508 | 41 | Solo | FIN | 43:51:40 | 2 | ||
| Grizzly Bear | Don | Gray | M | Oakland | California | USA | USA | 1993 Furnace Creek 508 | 53 | Solo | FIN | 2 | |||
| Grouper | Larry | Goshorn | M | USA | USA | 1996 Furnace Creek 508 | N/A | Solo | DNF | ||||||
| Grouse | Russ | Goodwin | M | USA | USA | 1990 October RAAM Open West | 31 | Solo | DNF | ||||||
| Grouse | Russ | Goodwin | M | Sierra Vista | Arizona | USA | USA | 2002 Furnace Creek 508 | 43 | Solo | DNF | ||||
| Guanaco | Dan | Sauers | M | Sunnyvale | California | USA | USA | 2008 Furnace Creek 508 | 57 | Solo | FIN | 37:34:37 | 3 | ||
| Guinea Pig | Gregg | Kilcoyne | M | Copper Mountain | Colorado | USA | USA | 2001 Furnace Creek 508 | 27 | Solo | DNF | ||||
| Guinea Pig | Gregg | Kilcoyne | M | Copper Mountain | Colorado | USA | USA | 2002 Furnace Creek 508 | 28 | Solo | DNF | ||||
| Guinea Pig | Gregg | Kilcoyne | M | Copper Mountain | Colorado | USA | USA | 2004 Furnace Creek 508 | 30 | Solo | DNF | ||||
| Gulo Gulo | Lori | Cherry | F | Fresno | California | USA | USA | 2008 Furnace Creek 508 | 50 | Two Mixed | FIN | 30:16:17 | 6 | HOF | |
| Gulo Gulo | Kevin | Walsh | M | Lancaster | California | USA | USA | 2008 Furnace Creek 508 | 51 | Two Mixed | FIN | 30:16:17 | 11 | HOF | |
| Gumby | Chris | Kostman | M | Los Angeles | California | USA | USA | 1984 John Marino Open | 18 | Solo | HON | 2 | |||
| Gumby | Chris | Kostman | M | Glendora | California | USA | USA | May 1985 John Marino Open West | 18 | Solo | FIN | 56:44:00 | Youngest Finisher | 2 | |
| Gumby | Chris | Kostman | M | Glendora | California | USA | USA | September 1986 John Marino Open West | 19 | Solo | FIN | 34:46:00 | Youngest Finisher | 2 | |
| Gummer Bears | Bill | Peschka | M | Chandler | Arizona | USA | USA | 2006 Furnace Creek 508 | 57 | Two Mixed | FIN | 42:24:20 | 3 | ||
| Gummer Bears | Carrie | White | F | Mesa | Arizona | USA | USA | 2006 Furnace Creek 508 | 49 | Two Mixed | FIN | 42:24:20 | 1 | ||
| Gummy Bears | Terri | Hand | F | Ridgecrest | California | USA | USA | 2011 Furnace Creek 508 | 36 | Two Mixed | DNF | 1 | |||
| Gummy Bears | Pete | Masiel | M | Silver City | New Mexico | USA | USA | 2011 Furnace Creek 508 | 52 | Two Mixed | DNF | 1 | |||
| Guppy | Gregory W. | Giltner | M | Bakersfield | California | USA | USA | 1999 Furnace Creek 508 | 28 | Solo | DNF | TS1 - "not ready to meet God" | 1 | ||
| Guppy | Gregory W. | Giltner | M | Bakersfield | California | USA | USA | 2000 Furnace Creek 508 | 29 | Solo | DNF | 1 | |||
| Gyrfalcon | Jim | Swarzman | M | Encino | California | USA | USA | 2010 Furnace Creek 508 | 46 | Solo Classic | FIN | 38:57:50 | 2 | ||
| Gyrfalcon 2 | Nicole | Honda | F | Ventura | California | USA | USA | 2011 Furnace Creek 508 | 45 | Solo Classic | FIN | 41:10:46 | 6 | HOF | |
| Half Beast | Scot | Harvey | M | Glendora | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 44 | Solo | FIN | 23:25:00 | 2 | ||
| Ham Solo | Haile | Hautea | M | Fontana | California | USA | USA | 2022 Silver State 508 | 51 | Solo | DNF | 2 | |||
| Hammer Beasts | Dusty | Dustyn | F | Valley Springs | California | USA | USA | 2017 Silver State 508 | 66 | Two Mixed | FIN | 35:29:00 | 3 | ||
| Hammer Beasts | Dave | Prezler | M | Farmington | Utah | USA | USA | 2017 Silver State 508 | 60 | Two Mixed | FIN | 35:29:00 | 1 | ||
| Hammer Cats | Dusty | Dustyn | F | Valley Springs | California | USA | USA | 2016 Silver State 508 | 65 | Two Woman | FIN | 33:46:00 | 3 | ||
| Hammer Cats | Karin | Weller | F | Turlock | California | USA | USA | 2016 Silver State 508 | 55 | Two Woman | FIN | 33:46:00 | 2 | ||
| Hammer Frogs | Lori | Cherry | F | Fresno | California | USA | USA | 2009 Furnace Creek 508 | 51 | Four Woman | FIN | 32:39:33 | 6 | HOF | |
| Hammer Frogs | Jennie | Phillips | F | Danville | California | USA | USA | 2009 Furnace Creek 508 | 48 | Four Woman | FIN | 32:39:33 | 5 | HOF | |
| Hammer Frogs | Rebecca | Rising | F | Sanger | California | USA | USA | 2009 Furnace Creek 508 | 30 | Four Woman | FIN | 32:39:33 | 1 | ||
| Hammer Frogs | Jeanine | Spence | F | Fresno | California | USA | USA | 2009 Furnace Creek 508 | 45 | Four Woman | FIN | 32:39:33 | 6 | HOF | |
| Hammer Frogs | Lori | Cherry | F | Fresno | California | USA | USA | 2010 Furnace Creek 508 | 52 | Four Woman | FIN | 33:43:22 | 6 | HOF | |
| Hammer Frogs | Isabelle | Drake | F | Laguna Beach | California | USA | USA | 2010 Furnace Creek 508 | 57 | Four Woman | FIN | 33:43:22 | 7 | HOF | |
| Hammer Frogs | Jennie | Phillips | F | Danville | California | USA | USA | 2010 Furnace Creek 508 | 49 | Four Woman | FIN | 33:43:22 | 5 | HOF | |
| Hammer Frogs | Jeanine | Spence | F | Fresno | California | USA | USA | 2010 Furnace Creek 508 | 46 | Four Woman | FIN | 33:43:22 | 6 | HOF | |
| Hammer Frogs | Lori | Cherry | F | Fresno | California | USA | USA | 2012 Furnace Creek 508 | 54 | Four Woman | FIN | 38:24:00 | 6 | HOF | |
| Hammer Frogs | Isabelle | Drake | F | Laguna Beach | California | USA | USA | 2012 Furnace Creek 508 | 59 | Four Woman | FIN | 38:24:00 | 7 | HOF | |
| Hammer Frogs | Bobbi | Fisher | F | Chengdu | Sichuan | China | USA | 2012 Furnace Creek 508 | 64 | Four Woman | FIN | 38:24:00 | 3 | ||
| Hammer Frogs | Susan | Rosenblatt | F | Berkeley | California | USA | USA | 2012 Furnace Creek 508 | 66 | Four Woman | FIN | 38:24:00 | 1 | ||
| Hammer Head Sharks | Lorri Lee | Lown | F | Redwood City | California | USA | USA | 2018 Silver State 508 | 53 | Two Mixed | FIN | 37:39:27 | 2 | ||
| Hammer Head Sharks | Wesley | Wilmer | M | Troutville | Virginia | USA | USA | 2018 Silver State 508 | 62 | Two Mixed | FIN | 37:39:27 | 1 | ||
| Hammerdillo | Brenda | Barnell | F | Dallas | Texas | USA | USA | 2010 Furnace Creek 508 | 46 | Two Tandem Mixed | FIN | 33:46:29 | 5 | HOF | |
| Hammerdillo | Nadine | Howard | F | Regina | Saskatchewan | Canada | Canada | 2010 Furnace Creek 508 | 38 | Two Tandem Mixed | FIN | 33:46:29 | 1 | ||
| Hammerdillo | Carl | Moler | M | Yorba Linda | California | USA | USA | 2010 Furnace Creek 508 | 61 | Two Tandem Mixed | FIN | 33:46:29 | 1 | ||
| Hammerdillo | Joe | Petersen | M | Bakersfield | California | USA | USA | 2010 Furnace Creek 508 | 52 | Two Tandem Mixed | FIN | 33:46:29 | 9 | HOF | |
| Hammerdillo | Brenda | Barnell | F | Torrance | California | USA | USA | 2012 Furnace Creek 508 | 48 | Two Mixed | FIN | 37:48:50 | 5 | HOF | |
| Hammerdillo | Brad | House | M | Torrance | California | USA | USA | 2012 Furnace Creek 508 | 54 | Two Mixed | FIN | 37:48:50 | 1 | ||
| Hammerhead | Ron | Jones | M | Bakersfield | California | USA | USA | 1997 Furnace Creek 508 | 37 | Four Mixed | FIN | 24:14:38 | Course Record: Open Format | 6 | HOF |
| Hammerhead | Joe | Petersen | M | Bakersfield | California | USA | USA | 1997 Furnace Creek 508 | 39 | Four Mixed | FIN | 24:14:38 | Course Record: Open Format | 9 | HOF |
| Hammerhead | Pam | Traynor | F | Bakersfield | California | USA | USA | 1997 Furnace Creek 508 | 32 | Four Mixed | FIN | 24:14:38 | Course Record: Open Format | 2 | |
| Hammerhead | Kris | Woolsey | F | Bakersfield | California | USA | USA | 1997 Furnace Creek 508 | 31 | Four Mixed | FIN | 24:14:38 | Course Record: Open Format | 2 | |
| Hammerhead | Debbie | Finn | F | Capistrano Beach | California | USA | USA | 2001 Furnace Creek 508 | 40 | Four Mixed | FIN | 27:44:00 | 1 | ||
| Hammerhead | Rick | Hixson | M | Bakersfield | California | USA | USA | 2001 Furnace Creek 508 | 48 | Four Mixed | FIN | 27:44:00 | 1 | ||
| Hammerhead | Linda | Marschang | F | Bakersfield | California | USA | USA | 2001 Furnace Creek 508 | 42 | Four Mixed | FIN | 27:44:00 | 1 | ||
| Hammerhead | Joe | Petersen | M | Bakersfield | California | USA | USA | 2001 Furnace Creek 508 | 43 | Four Mixed | FIN | 27:44:00 | 9 | HOF | |
| Hammerhead | Jarret | Kennedy | M | Bakersfield | California | USA | USA | 2005 Furnace Creek 508 | 29 | Four Man | FIN | 24:56:10 | 1 | ||
| Hammerhead | Kevin | McNulty | M | Ramona | California | USA | USA | 2005 Furnace Creek 508 | 41 | Four Man | FIN | 24:56:10 | 3 | ||
| Hammerhead | Joe | Petersen | M | Bakersfield | California | USA | USA | 2005 Furnace Creek 508 | 47 | Four Man | FIN | 24:56:10 | 9 | HOF | |
| Hammerhead | John | Stephenson | M | Bakersfield | California | USA | USA | 2005 Furnace Creek 508 | 46 | Four Man | FIN | 24:56:10 | 1 | ||
| Hammerhead | Kevin | McNulty | M | Ramona | California | USA | USA | 2006 Furnace Creek 508 | 42 | Two Man | FIN | 26:16:25 | 3 | ||
| Hammerhead | Joe | Petersen | M | Bakersfield | California | USA | USA | 2006 Furnace Creek 508 | 48 | Two Man | FIN | 26:16:25 | 9 | HOF | |
| Hammerhead | Kevin | McNulty | M | Ramona | California | USA | USA | 2007 Furnace Creek 508 | 43 | Two Man | FIN | 25:56:28 | 3 | ||
| Hammerhead | Joe | Petersen | M | Bakersfield | California | USA | USA | 2007 Furnace Creek 508 | 49 | Two Man | FIN | 25:56:28 | 9 | HOF | |
| Hammerkop | Doris | Bingo | F | Anaheim | California | USA | USA | 2007 Furnace Creek 508 | 44 | Two Mixed | FIN | 34:13:37 | 1 | ||
| Hammerkop | Greg | Kibble | M | Lake Forest | California | USA | USA | 2007 Furnace Creek 508 | 64 | Two Mixed | FIN | 34:13:37 | 1 | ||
| HamSolo | Haile | Hautea | M | Fontana | California | USA | USA | 2023 Silver State 508 | N/A | Solo | DNF | 2 | |||
| HamSolo | Haile | Hautea | M | Fontana | California | USA | USA | 2024 Silver State 508 | N/A | Solo | FIN | 47:13:31 | 2 | ||
| Hamster | John | Hughes | M | Portola Valley | California | USA | USA | 1989 April RAAM Open West | 39 | Solo | FIN | 30:54:00 | 1st winner on 508 route | 2 | |
| Hamster | John | Hughes | M | Portola Valley | California | USA | USA | 1993 Furnace Creek 508 | 44 | Solo | FIN | 32:24:55 | 2nd solo finish | 2 | |
| Hare | Rick | Jacobson | M | Reseda | California | USA | USA | 2006 Furnace Creek 508 | 48 | Solo | DNF | 3 | |||
| Hare | Rick | Jacobson | M | Reseda | California | USA | USA | 2007 Furnace Creek 508 | 49 | Solo | FIN | 46:40:34 | 3 | ||
| Harpy Eagle | Stephen | Nelson | M | Wimbledon | United Kingdom | United Kingdom | 2003 Furnace Creek 508 | 40 | Solo | FIN | 39:26:12 | 1 | |||
| Harrier | Bob | Harting | M | Cardiff | California | USA | USA | 1995 Furnace Creek 508 | 47 | Solo | FIN | 1 | |||
| Harrier | Bob | Harting | M | USA | USA | 1998 Furnace Creek 508 | 50 | Solo | DNF | 1 | |||||
| Harris | Christi | Hawk | F | Middleton | Idaho | USA | USA | 1999 Furnace Creek 508 | 36 | Solo | DNF | TS4 - stomach | |||
| Hawaiian Owl | Bernadette | Franks-Ongoy | F | Hawaii | USA | USA | 1997 Furnace Creek 508 | 38 | Solo | FIN | 41:43:56 | RAAM Qualifier | 1 | ||
| Hawk | John | Marino | M | Irvine | California | USA | USA | 1983 John Marino Open | 31 | Solo | HON | 1 | |||
| Headless Chickens | Jay | Battleson | M | Bend | Oregon | USA | USA | 2019 Silver State 508 | 44 | Four Man | FIN | 30:38:27 | 4 | ||
| Headless Chickens | David | Brunswick | M | Pleasanton | California | USA | USA | 2019 Silver State 508 | 55 | Four Man | FIN | 30:38:27 | 1 | ||
| Headless Chickens | Craig | Hahn | M | Park City | Utah | USA | USA | 2019 Silver State 508 | 48 | Four Man | FIN | 30:38:27 | 7 | HOF | |
| Headless Chickens | Erik | Skramstad | M | Boulder City | Nevada | USA | USA | 2019 Silver State 508 | 41 | Four Man | FIN | 30:38:27 | 8 | HOF | |
| Hedgehog | Eric | House | M | Palo Alto | California | USA | USA | 1992 Furnace Creek 508 | 30 | Solo | FIN | 29:54:37 | 2 | ||
| Hedgehog | Eric | House | M | California | USA | USA | 1994 Furnace Creek 508 | 32 | Solo Recumbent | FIN | 35:24:29 | Course Record, 2nd solo finish | 2 | ||
| Heidelberg Lion | Ted | Miller | M | San Francisco | California | USA | USA | 2010 Furnace Creek 508 | 39 | Solo | FIN | 40:52:49 | 1 | ||
| Hellhound | Tim | Marks | M | Andover | Minnesota | USA | USA | 2015 Silver State 508 | 56 | Two Mixed | FIN | 33:43:35 | 6 | HOF | |
| Hellhound | Pamela | Semanik | F | Walton Hills | Ohio | USA | USA | 2015 Silver State 508 | 50 | Two Mixed | FIN | 33:43:35 | 1 | ||
| Heron | Lubomir | Hristov | M | USA | USA | 1997 Furnace Creek 508 | 38 | Solo | FIN | 38:28:24 | RAAM Qualifier | 2 | |||
| Heron | Lubomir | Hristov | M | USA | USA | 1998 Furnace Creek 508 | 39 | Solo | FIN | 33:54:10 | 2nd solo finish | 2 | |||
| Hippo | Susan | Hall | F | USA | USA | 1994 Furnace Creek 508 | 44 | Tandem Mixed | DNF | 1 | |||||
| Hippo | Charlie | Lupo | M | USA | USA | 1994 Furnace Creek 508 | N/A | Tandem Mixed | DNF | ||||||
| Hippo 2 | Mikael | Henrikkson | M | Sweden | Sweden | 1996 Furnace Creek 508 | 32 | Solo | FIN | 34:37:37 | 1 | ||||
| Hippogriff | Bryce | Walsh | M | Chicago | Illinois | USA | USA | 2005 Furnace Creek 508 | 34 | Solo | FIN | 31:39:29 | 2 | ||
| Hippogriff | Bryce | Walsh | M | Chicago | Illinois | USA | USA | 2007 Furnace Creek 508 | 36 | Solo | FIN | 36:16:19 | 2 | ||
| Hoary Marmot | John Henry | Maurice | M | Keizer | Oregon | USA | USA | 2006 Furnace Creek 508 | 51 | Solo | FIN | 41:23:02 | 2 | ||
| Hoary Marmot | John Henry | Maurice | M | Keizer | Oregon | USA | USA | 2011 Furnace Creek 508 | 56 | Solo | FIN | 46:32:32 | 2 | ||
| Hoary Marmot | John Henry | Maurice | M | Keizer | Oregon | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 59 | Solo | DNF | 2 | |||
| Hobo Spiders | Joel | Ahlum | M | Jackson | Wyoming | USA | USA | 2010 Furnace Creek 508 | 25 | Two Man | FIN | 33:52:11 | 1 | ||
| Hobo Spiders | Bradley | Nolen | M | Jackson | Wyoming | USA | USA | 2010 Furnace Creek 508 | 25 | Two Man | FIN | 33:52:11 | 1 | ||
| Hodag | Paul | Danhaus | M | Wausau | Wisconsin | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 64 | Two Mixed | FIN | 24:48:00 | 4 | ||
| Hodag | Isabelle | Drake | F | Laguna Beach | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 60 | Two Mixed | FIN | 24:48:00 | 7 | HOF | |
| Hog | Adrian | Harris | M | USA | USA | 1995 Furnace Creek 508 | 35 | Solo | FIN | 33:10:32 | 2 | ||||
| Hog | Adrian | Harris | M | USA | USA | 1996 Furnace Creek 508 | 36 | Solo | FIN | 30:13:01 | 2nd solo finish | 2 | |||
| Holstein | David | Haase | M | Fond du Lac | Wisconsin | USA | USA | 2007 Furnace Creek 508 | 39 | Solo | FIN | 31:49:48 | 3 | ||
| Holstein | David | Haase | M | Fond du Lac | Wisconsin | USA | USA | 2014 Silver State 508 | 47 | Solo | DNF | 3 | |||
| Holstein | David | Haase | M | Fond du Lac | Wisconsin | USA | USA | 2015 Silver State 508 | 47 | Solo Randonneur | FIN | 32:43:36 | 3 | ||
| Holstein | David | Haase | M | Fond du Lac | Wisconsin | USA | USA | 2020 Silver State 508 | 52 | Solo Randonneur | FIN | 32:49:48 | Solo Winner; WUCA Champ | 3 | |
| Honey Badger | Balvindar | Singh | M | Redding | California | USA | USA | 2011 Furnace Creek 508 | 22 | Solo | FIN | 34:20:19 | 1 | ||
| Honey Bee | Charles | Hanson | M | Bellflower | California | USA | USA | 1990 October RAAM Open West | 60 | Solo | FIN | 46:31:00 | 2 | ||
| Honey Bee | Charles | Hanson | M | Apple Valley | California | USA | USA | 2000 Furnace Creek 508 | 70 | Solo | FIN | 73:30:47 | 2 | ||
| Honu | Brad | Atencio | M | Richland | Washington | USA | USA | 2010 Furnace Creek 508 | 46 | Two Man | FIN | 42:43:08 | 6 | HOF | |
| Honu | Kern | Kosenko | M | Kennewick | Washington | USA | USA | 2010 Furnace Creek 508 | 48 | Two Man | FIN | 42:43:08 | 4 | ||
| Honu | Brad | Atencio | M | Richland | Washington | USA | USA | 2011 Furnace Creek 508 | 47 | Two Man | FIN | 37:35:11 | 6 | HOF | |
| Honu | Kern | Kosenko | M | Kennewick | Washington | USA | USA | 2011 Furnace Creek 508 | 49 | Two Man | FIN | 37:35:11 | 4 | ||
| Honu | Brad | Atencio | M | Richland | Washington | USA | USA | 2012 Furnace Creek 508 | 48 | Two Man | FIN | 39:18:39 | 6 | HOF | |
| Honu | Joe | Stacks | M | Richland | Washington | USA | USA | 2012 Furnace Creek 508 | 58 | Two Man | FIN | 39:18:39 | 2 | ||
| Honu | Brad | Atencio | M | Richland | Washington | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 48 | Four Man | FIN | 25:05:00 | 6 | HOF | |
| Honu | Bruce | Atencio | M | Albuquerque | New Mexico | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 48 | Four Man | FIN | 25:05:00 | 1 | ||
| Honu | Kern | Kosenko | M | Kennewick | Washington | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 51 | Four Man | FIN | 25:05:00 | 4 | ||
| Honu | Joe | Stacks | M | Richland | Washington | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 59 | Four Man | FIN | 25:05:00 | 2 | ||
| Hoodoo | Louise | Comar | F | Atascadero | California | USA | USA | 2006 Furnace Creek 508 | 53 | Solo | FIN | 45:52:56 | RAAM Qualified | 4 | |
| Hoodoo | Louise | Comar | F | Atascadero | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 60 | Solo | FIN | 27:56:00 | 4 | ||
| Hoopoe | Seana | Hogan | F | San Jose | California | USA | USA | 1991 October Furnace Creek 508 | 32 | Solo | FIN | 36:21:07 | 10 | HOF | |
| Hoopoe | Seana | Hogan | F | San Jose | California | USA | USA | 1992 Furnace Creek 508 | 33 | Solo | DNF | 10 | HOF | ||
| Hoopoe | Seana | Hogan | F | San Jose | California | USA | USA | 1995 Furnace Creek 508 | 36 | Solo | FIN | 28:46:34 | Course Record, Overall champion, 2nd solo finish | 10 | HOF |
| Hoopoe | Seana | Hogan | F | San Jose | California | USA | USA | 1996 Furnace Creek 508 | 37 | Solo | FIN | 31:24:53 | 3rd solo finish | 10 | HOF |
| Hoopoe | Seana | Hogan | F | San Jose | California | USA | USA | 1997 Furnace Creek 508 | 38 | Solo | FIN | 30:03:30 | 4th solo finish | 10 | HOF |
| Hoopoe | Seana | Hogan | F | Gilroy | California | USA | USA | 2001 Furnace Creek 508 | 42 | Solo | DNF | 10 | HOF | ||
| Hoopoe | Seana | Hogan | F | Gilroy | California | USA | USA | 2002 Furnace Creek 508 | 43 | Solo | FIN | 35:06:03 | Pre. Qual. | 10 | HOF |
| Hoopoe | Seana | Hogan | F | Valley Springs | California | USA | USA | 2004 Furnace Creek 508 | 45 | Solo | DNF | 10 | HOF | ||
| Hoopoe | Seana | Hogan | F | Valley Springs | California | USA | USA | 2011 Furnace Creek 508 | 52 | Solo | FIN | 35:27:09 | 10 | HOF | |
| Hoopoe | Seana | Hogan | F | Valley Springs | California | USA | USA | 2012 Furnace Creek 508 | 53 | Solo | FIN | 33:25:53 | 10 | HOF | |
| Hoopoe | Seana | Hogan | F | Valley Springs | California | USA | USA | 2014 Silver State 508 | 55 | Solo | DNF | 10 | HOF | ||
| Hoopoe | Seana | Hogan | F | Valley Springs | California | USA | USA | 2015 Silver State 508 | 56 | Solo | FIN | 33:41:40 | 10 | HOF | |
| Hormiga Atomica | Victor | Guzman | M | Oxnard | California | USA | Mexico | 2019 Silver State 508 | 34 | Solo | FIN | 39:16:04 | 1 | ||
| Horned Lizard | Nickademus | Hollon | M | San Diego | California | USA | USA | 2009 Furnace Creek 508 | 19 | Solo | FIN | 44:06:44 | 19-year-old Death Valley Cup finisher! | 2 | |
| Horned Lizard | Nickademus | Hollon | M | San Diego | California | USA | USA | 2010 Furnace Creek 508 | 20 | Solo | FIN | 39:53:28 | Death Valley Cup! | 2 | |
| Horned Toads | Marvin | Atwood | M | San Diego | California | USA | USA | 2006 Furnace Creek 508 | 55 | Two Mixed | FIN | 34:13:04 | 1 | ||
| Horned Toads | Pamela | Atwood | F | San Diego | California | USA | USA | 2006 Furnace Creek 508 | 53 | Two Mixed | FIN | 34:13:04 | 1 | ||
| Hornet | Marie | Handrahan | F | Mesa | Arizona | USA | USA | 1995 Furnace Creek 508 | 43 | Solo | FIN | 45:28:08 | 1 | ||
| Hornet | Marie | Handrahan | F | Mesa | Arizona | USA | USA | 1996 Furnace Creek 508 | 44 | Solo | DNF | 1 | |||
| Hornet | Marie | Handrahan | F | Mesa | Arizona | USA | USA | 1997 Furnace Creek 508 | 45 | Solo | DNF | 1 | |||
| Hornet | Marie | Handrahan | F | Mesa | Arizona | USA | USA | 2000 Furnace Creek 508 | 48 | Solo | DNF | 1 | |||
| Horse | Dan | Dibb | M | Long Beach | California | USA | USA | 1997 Furnace Creek 508 | 40 | Solo | DNF | 6 | HOF | ||
| Horse | Dan | Dibb | M | Long Beach | California | USA | USA | 1999 Furnace Creek 508 | 42 | Solo | FIN | 45:09:10 | 6 | HOF | |
| Horse | Dan | Dibb | M | Long Beach | California | USA | USA | 2003 Furnace Creek 508 | 46 | Solo | FIN | 36:30:13 | 6 | HOF | |
| Horseflies | Dan | Dibb | M | Long Beach | California | USA | USA | 2007 Furnace Creek 508 | 50 | Two Man | FIN | 31:37:20 | 6 | HOF | |
| Horseflies | Greg | Page | M | Downey | California | USA | USA | 2007 Furnace Creek 508 | 44 | Two Man | FIN | 31:37:20 | 7 | HOF | |
| House Mouse | Franz | Preihs | M | Graz | Austria | Austria | 2007 Furnace Creek 508 | 29 | Solo | FIN | 32:44:50 | 1 | |||
| Hummingbird | Mike | Hollenbaugh | M | San Jose | California | USA | USA | 1999 Furnace Creek 508 | 38 | Solo | DNF | TS2 - stomach | 1 | ||
| Hummingbird | Mike | Hollenbaugh | M | San Jose | California | USA | USA | 2001 Furnace Creek 508 | 40 | Solo | FIN | 36:38:00 | 1 | ||
| Humpback Whal | Rob | Harris | M | Denver | Colorado | USA | USA | 2003 Furnace Creek 508 | 35 | Solo | DNF | ||||
| HumuHumuNukuNukuApuaa | Peter | Mueller | M | Kloten | Zurich | Switzerland | Switzerland | 2005 Furnace Creek 508 | 43 | Solo | FIN | 36:32:46 | 1 | ||
| Husky | Todd | Trzcinski | M | Portland | Oregon | USA | USA | 2001 Furnace Creek 508 | 41 | Solo | FIN | 38:52:00 | 1 | ||
| Hutton's Vireo | Lori | Hoechlin | F | Costa Mesa | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 51 | Solo Tandem | FIN | 26:33:00 | 7 | HOF | |
| Hutton's Vireo | George | Vargas | M | Del Mar | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 49 | Solo Tandem | FIN | 26:33:00 | 11 | HOF | |
| Hutton's Vireo | Lori | Hoechlin | F | Costa Mesa | California | USA | USA | 2014 Trona 308 | 51 | Two Mixed | FIN | 19:36:00 | 7 | HOF | |
| Hutton's Vireo | George | Vargas | M | San Marcos | California | USA | USA | 2014 Trona 308 | 48 | Two Mixed | FIN | 19:36:00 | 11 | HOF | |
| Hutton's Vireo | Lori | Hoechlin | F | Costa Mesa | California | USA | USA | 2014 Silver State 508 | 52 | Tandem Mixed | FIN | 36:34:00 | 7 | HOF | |
| Hutton's Vireo | George | Vargas | M | San Marcos | California | USA | USA | 2014 Silver State 508 | 49 | Tandem Mixed | FIN | 36:34:00 | 11 | HOF | |
| Hutton's Vireo | Lori | Hoechlin | F | Costa Mesa | California | USA | USA | 2015 Silver State 508 | 53 | Tandem Mixed | FIN | 34:39:34 | 7 | HOF | |
| Hutton's Vireo | George | Vargas | M | San Marcos | California | USA | USA | 2015 Silver State 508 | 50 | Tandem Mixed | FIN | 34:39:34 | 11 | HOF | |
| Hutton's Vireo | Lori | Hoechlin | F | Costa Mesa | California | USA | USA | 2016 Silver State 508 | 54 | Tandem Mixed | DNF | 7 | HOF | ||
| Hutton's Vireo | George | Vargas | M | San Marcos | California | USA | USA | 2016 Silver State 508 | 51 | Tandem Mixed | DNF | 11 | HOF | ||
| Hutton's Vireo | Lori | Hoechlin | F | Rancho Mission Viejo | California | USA | USA | 2017 Silver State 508 | 55 | Two Mixed | FIN | 28:52:00 | 7 | HOF | |
| Hutton's Vireo | George | Vargas | M | San Marcos | California | USA | USA | 2017 Silver State 508 | 52 | Two Mixed | FIN | 28:52:00 | 11 | HOF | |
| Hyena | Richard | Heiss | M | Bakersfield | California | USA | USA | 1990 October RAAM Open West | 33 | Solo | DNF | 2 | |||
| Hyena | Richard | Heiss | M | NA | 346 | USA | USA | 1991 April RAAM Open West | N/A | Solo | DNF | 2 | |||
| Hyena | Richard | Heiss | M | Bakersfield | California | USA | USA | 1991 October Furnace Creek 508 | 34 | Solo | DNF | 2 | |||
| Hyena | Richard | Heiss | M | Bakersfield | California | USA | USA | 1992 Furnace Creek 508 | 35 | Solo | DNF | 2 | |||
| Hyena | Richard | Heiss | M | Bakersfield | California | USA | USA | 1993 Furnace Creek 508 | 36 | Solo | DNF | 2 | |||
| Hyena | Richard | Heiss | M | Bakersfield | California | USA | USA | 1994 Furnace Creek 508 | 37 | Solo | FIN | 35:34:58 | 2 | ||
| Hyenasaurus | Tom | Davies | M | California | USA | USA | 1997 Furnace Creek 508 | 53 | Tandem Men | DNF | 2 | ||||
| Hyenasaurus | Richard | Heiss | M | Bakersfield | California | USA | USA | 1997 Furnace Creek 508 | 40 | Tandem Men | DNF | 2 | |||
| Hyrax | Niki | Yoblonski | F | Santa Monica | California | USA | USA | 2010 Furnace Creek 508 | 31 | Solo | DNF | ||||
| Ibex | Christophe | Basset | M | Pasadena | California | USA | USA | 2003 Furnace Creek 508 | 28 | Solo | DNF | ||||
| Ichthyosaurus | Troy | DeLong | M | Elko | Nevada | USA | USA | 2009 Furnace Creek 508 | 41 | Two Man | FIN | 36:50:47 | 2 | ||
| Ichthyosaurus | Bruce | Frazier | M | Elko | Nevada | USA | USA | 2009 Furnace Creek 508 | 42 | Two Man | FIN | 36:50:47 | 1 | ||
| Ichthyosaurus | Troy | DeLong | M | Elko | Nevada | USA | USA | 2019 Silver State 508 | 51 | Two Man | FIN | 30:19:11 | 2 | ||
| Ichthyosaurus | Jeff | Eckert | M | Elko | Nevada | USA | USA | 2019 Silver State 508 | 50 | Two Man | FIN | 30:19:11 | 1 | ||
| Iguana | Christian | Smith | M | Reston | Virginia | USA | USA | 2005 Furnace Creek 508 | 27 | Solo | FIN | 38:35:08 | 1 | ||
| Impala | A. Mattson | Davis | M | San Francisco | California | USA | USA | 2005 Furnace Creek 508 | 42 | Solo | FIN | 34:06:09 | 1 | ||
| Inchworm | Lois | Onsum | F | Bakersfield | California | USA | USA | 2001 Furnace Creek 508 | 47 | Two Mixed | FIN | 39:55:00 | 1 | ||
| Inchworm | Jim | Winfrey | M | Bakersfield | California | USA | USA | 2001 Furnace Creek 508 | 40 | Two Mixed | FIN | 39:55:00 | 1 | ||
| Irish Hare | Mick | Walsh | M | Seattle | Washington | USA | Ireland | 2013 Furnace Creek 508, AKA Trona 353 | 51 | Solo | FIN | 23:41:00 | 2 | ||
| Irish Hare | Mick | Walsh | M | Seattle | Washington | USA | USA | 2014 Silver State 508 | 54 | Solo | FIN | 35:04:00 | 2 | ||
| Irish Hare | Mick | Walsh | M | Seattle | Washington | USA | USA | 2015 Silver State 508 | 52 | Solo | DNF | 2 | |||
| Irish Wolfhound | James | McKee | M | Seattle | Washington | USA | USA | 2012 Furnace Creek 508 | 43 | Solo | FIN | 44:28:18 | 2 | ||
| Iron Horse | Jon | Lieberg | M | Temecula | California | USA | USA | 2007 Furnace Creek 508 | 54 | Two Man | FIN | 35:50:44 | 1 | ||
| Iron Horse | Jim | Yanoschik | M | Murrieta | California | USA | USA | 2007 Furnace Creek 508 | 51 | Two Man | FIN | 35:50:44 | 1 | ||
| Irukandji | David | Nash | M | Carlsbad | California | USA | USA | 2011 Furnace Creek 508 | 54 | Two Man | FIN | 2 | |||
| Irukandji | David | Nash | M | Carlsbad | California | USA | USA | 2011 Furnace Creek 508 | 49 | Two Man | FIN | 1 | |||
| Irukandji | David | Figgat | M | Carlsbad | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 55 | Two Man | FIN | 22:55:00 | 1 | ||
| Irukandji | David | Nash | M | Carlsbad | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 51 | Two Man | FIN | 22:55:00 | 2 | ||
| Ischyodus | Mavis | Irwin | F | Salt Lake City | Utah | USA | USA | 2007 Furnace Creek 508 | 26 | Solo | FIN | 41:26:22 | 1 | ||
| Islaw Kalabaw | Peter John | Madarang | M | Riverside | California | USA | USA | 2018 Silver State 508 | 41 | Solo | DNF | 1 | |||
| Islaw Kalabaw | Peter John | Madarang | M | Riverside | California | USA | USA | 2019 Silver State 508 | 42 | Solo | FIN | 45:35:06 | 1 | ||
| Italian Alligators | Giovanni | Prosperi | M | Broadview Heights | Ohio | USA | USA | 2024 Silver State 508 | N/A | Two Man Open | FIN | 29:16:38 | 3 | ||
| Italian Alligators | Andrea | Tosolini | M | Gainsville | Florida | USA | USA | 2024 Silver State 508 | N/A | Two Man Open | FIN | 29:16:38 | 1 | ||
| Italian Greyhound | BJ | Almberg | M | Ely | Nevada | USA | USA | 2022 Silver State 508 | 51 | Solo | FIN | 30:34:00 | 1 | ||
| Italian Stallion | Enrico | Bariani | M | Sacramento | California | USA | USA | 2004 Furnace Creek 508 | 38 | Solo | DNF | ||||
| Itsappa | William | Cassity | M | Carson City | Nevada | USA | USA | 2017 Silver State 508 | 64 | Two Man | FIN | 33:44:00 | 1 | ||
| Itsappa | Shane | Trotter | M | Dayton | Nevada | USA | USA | 2017 Silver State 508 | 34 | Two Man | FIN | 33:44:00 | 5 | HOF | |
| Itsappa | Shane | Trotter | M | Carson City | Nevada | USA | USA | 2018 Silver State 508 | 35 | Solo | DNF | 5 | HOF | ||
| Jackal | Dan | Jordan | M | Liberty | Missouri | USA | USA | 2000 Furnace Creek 508 | 34 | Solo | FIN | 34:19:40 | 1 | ||
| Jackalope | Randy | Ballheim | M | Fort Morgan | Colorado | USA | USA | 2001 Furnace Creek 508 | 39 | Two Man | FIN | 29:24:00 | course record | 1 | |
| Jackalope | Gary | Kliewer | M | Ft. Morgan | Colorado | USA | USA | 2001 Furnace Creek 508 | 47 | Two Man | FIN | 29:24:00 | course record | 3 | |
| Jackass | David | Jackson | M | Lexington | Kentucky | USA | USA | 2002 Furnace Creek 508 | 43 | Solo | FIN | 38:56:12 | New Qual./DV Cup | 1 | |
| Jackass Squirrel | Shelby | Weber | F | Westminster | California | USA | USA | 2018 Silver State 508 | 35 | Solo | DNF | 1 | |||
| Jackass Squirrel | Shelby | Weber | F | Westminster | California | USA | USA | 2019 Silver State 508 | 36 | Solo | FIN | 47:44:48 | 1 | ||
| Jackdaw | Hermann | Bachmann | M | Flamatt | Freiburg CH | Switzerland | Switzerland | 2013 Furnace Creek 508, AKA Trona 353 | 61 | Solo | FIN | 29:16:00 | 1 | ||
| Jackrabbit | Merial | Jackson | F | California | USA | USA | 1994 Furnace Creek 508 | N/A | Solo | DNF | |||||
| Jaguar | Jeff | Martin | M | Antioch | California | USA | USA | 2000 Furnace Creek 508 | 38 | Solo | FIN | 36:49:29 | 5 | HOF | |
| Jaguar | Jeff | Martin | M | Antioch | California | USA | USA | 2008 Furnace Creek 508 | 46 | Solo | FIN | 37:48:58 | 5 | HOF | |
| Jaguar | Jeff | Martin | M | Anchorage | Alaska | USA | USA | 2010 Furnace Creek 508 | 48 | Solo | FIN | 40:58:37 | 5 | HOF | |
| Jaguar Shark | Steve | Edwards | M | Culver City | California | USA | USA | 2005 Furnace Creek 508 | 44 | Solo | DNF | ||||
| Jaguarundi | Roehl | Caragao | M | Fresno | California | USA | USA | 2024 Silver State 508 | 61 | Two Man Open | FIN | 30:20:30 | 18 | HOF | |
| Jaguarundi | Leland | Jones | M | Fresno | California | USA | USA | 2024 Silver State 508 | 57 | Two Man Open | FIN | 30:20:30 | 1 | ||
| Japanese Macaque | Jun | Watanabe | M | San Francisco | California | USA | USA | 2008 Furnace Creek 508 | 32 | Solo | FIN | 41:35:25 | 2 | ||
| Japanese Macaque | Jun | Watanabe | M | Seattle | Washington | USA | USA | 2011 Furnace Creek 508 | 35 | Solo | FIN | 45:04:44 | 2 | ||
| Javelina | Robert Kent | Costin | M | Henderson | Nevada | USA | USA | 2004 Furnace Creek 508 | 49 | Four Man | FIN | 36:01:55 | 1 | ||
| Javelina | Geoffrey M. | Janes | M | Henderson | Nevada | USA | USA | 2004 Furnace Creek 508 | 33 | Four Man | FIN | 36:01:55 | 1 | ||
| Javelina | Karl | Pohlmann | M | Henderson | Nevada | USA | USA | 2004 Furnace Creek 508 | 43 | Four Man | FIN | 36:01:55 | 1 | ||
| Javelina | Michael | Young | M | Henderson | Nevada | USA | USA | 2004 Furnace Creek 508 | 43 | Four Man | FIN | 36:01:55 | 2 | ||
| Javelina | Paul | Grube | M | Henderson | Nevada | USA | USA | 2018 Silver State 508 | 43 | Four Man | FIN | 28:32:29 | 2 | ||
| Javelina | Ed | Hladek | M | Las Vegas | Nevada | USA | USA | 2018 Silver State 508 | 53 | Four Man | FIN | 28:32:29 | 11 | HOF | |
| Javelina | Matthew | Konyn | M | Queen Creek | Arizona | USA | USA | 2018 Silver State 508 | 43 | Four Man | FIN | 28:32:29 | 1 | ||
| Javelina | Michael | Young | M | Austin | Texas | USA | USA | 2018 Silver State 508 | 57 | Four Man | FIN | 28:32:29 | 2 | ||
| Jaxartosaurus | Jack | Lindquist | M | Los Angeles | California | USA | USA | 2007 Furnace Creek 508 | 26 | Solo | DNF | ||||
| Jay-Bird | Jennifer | Vogel | F | Jacksonville | Florida | USA | USA | 2012 Furnace Creek 508 | 31 | Solo | FIN | 33:59:54 | 1 | ||
| Jellyfish | Jim | Gerpheide | M | California | USA | USA | 1995 Furnace Creek 508 | 40 | Four Man | DNF | 1 | ||||
| Jellyfish | Stan | King | M | USA | USA | 1995 Furnace Creek 508 | 38 | Four Man | DNF | ||||||
| Jellyfish | Jeff | Sale | M | USA | USA | 1995 Furnace Creek 508 | 55 | Four Man | DNF | ||||||
| Jellyfish | Brian | Stark | M | Paso Robles | California | USA | USA | 1995 Furnace Creek 508 | 47 | Four Man | DNF | 5 | HOF | ||
| Jersey Cow | Jeffrey | Sparks | M | Santa Rosa | California | USA | USA | 2020 Silver State 508 | 28 | Solo Randonneur Fixed Gear | DNF | 1 | |||
| Jolly Bee | Jomar | Yap | M | Rancho Cucamonga | California | USA | Philippines | 2018 Silver State 508 | 44 | Solo | FIN | 45:44:37 | 1 | ||
| Jurassic Gerbils | Tom | Braner | M | Fresno | California | USA | USA | 2017 Silver State 508 | 72 | Four Man | FIN | 40:58:00 | 1 | ||
| Jurassic Gerbils | Larry | Petrie | M | Coeur'd'Alene | Idaho | USA | USA | 2017 Silver State 508 | 66 | Four Man | FIN | 40:58:00 | 1 | ||
| Jurassic Gerbils | Ronald | Quitoriano | M | Fresno | California | USA | USA | 2017 Silver State 508 | 76 | Four Man | FIN | 40:58:00 | 2 | ||
| Jurassic Gerbils | Dave | Slaton | M | Santa Ana | California | USA | USA | 2017 Silver State 508 | 69 | Four Man | FIN | 40:58:00 | 1 | ||
| Jurassic Shark | Matthew | Kunnari | M | Los Altos | California | USA | USA | 2011 Furnace Creek 508 | 21 | Four Man | FIN | 40:35:36 | Dad + 3 sons, all riding the SAME bike! | 2 | |
| Jurassic Shark | Howard | Mason | M | Los Altos | California | USA | USA | 2011 Furnace Creek 508 | 69 | Four Man | FIN | 40:35:36 | Dad + 3 sons, all riding the SAME bike! | 2 | |
| Jurassic Shark | Keith | Mason | M | Los Altos | California | USA | USA | 2011 Furnace Creek 508 | 23 | Four Man | FIN | 40:35:36 | Dad + 3 sons, all riding the SAME bike! | 2 | |
| Jurassic Shark | Neale | Mason | M | Los Altos | California | USA | USA | 2011 Furnace Creek 508 | 23 | Four Man | FIN | 40:35:36 | Dad + 3 sons, all riding the SAME bike! | 2 | |
| Kaka | Harvey | Kulka | M | Britton | Michigan | USA | USA | 1999 Furnace Creek 508 | 40 | Solo | DNF | TS2 - exhaustion | 1 | ||
| Kaka | Harvey | Kulka | M | Britton | Michigan | USA | USA | 2000 Furnace Creek 508 | 41 | Solo | FIN | 42:51:40 | 1 | ||
| Kakapo | Alexander | Kohan | M | Salem | Oregon | USA | USA | 2008 Furnace Creek 508 | 18 | Solo Recumbent | FIN | 40:49:52 | 1 | ||
| Kangaroo | Emmy | Klassen | F | Ojai | California | USA | USA | 1993 Furnace Creek 508 | 35 | Solo | FIN | 39:17:37 | 5 | HOF | |
| Kangaroo | Emmy | Klassen | F | California | USA | USA | 1994 Furnace Creek 508 | 36 | Solo | FIN | 36:19:01 | 2nd solo finish | 5 | HOF | |
| Kangaroo Rat | Kenneth | Holloway | M | San Jose | California | USA | USA | 2001 Furnace Creek 508 | 49 | Solo | FIN | 35:11:00 | RQ | 2 | |
| Katydid | Jim | Kraychy | M | Lyons | Colorado | USA | USA | 2002 Furnace Creek 508 | 45 | Solo | FIN | 40:03:16 | 1 | ||
| Kentauride | Dominique | Ly | F | San Jose | California | USA | USA | 2020 Silver State 508 | 50 | Four Woman Open | FIN | 36:07:46 | 1 | ||
| Kentauride | Brenda | Nguyen | F | San Jose | California | USA | USA | 2020 Silver State 508 | 46 | Four Woman Open | FIN | 36:07:46 | 1 | ||
| Kentauride | Lily | Sussman | F | Marina | California | USA | USA | 2020 Silver State 508 | 43 | Four Woman Open | FIN | 36:07:46 | 1 | ||
| Kentauride | Phuong | Vuong | M | Milpitas | California | USA | USA | 2020 Silver State 508 | 49 | Four Woman Open | FIN | 36:07:46 | 1 | ||
| Kern River Rainbow Trout | Jim | Bryant | M | Bakersfield | California | USA | USA | 2002 Furnace Creek 508 | 39 | Two Man | FIN | 30:17:23 | 1 | ||
| Kern River Rainbow Trout | David | Rous | M | Bakersfield | California | USA | USA | 2002 Furnace Creek 508 | 32 | Two Man | FIN | 30:17:23 | 1 | ||
| Kheiron | San Jose | California | USA | USA | 2002 Furnace Creek 508 | 59 | Four Man Open | FIN | |||||||
| Kheiron | Dzung | Dang | M | San Jose | California | USA | USA | 2018 Silver State 508 | 57 | Four Man | FIN | 38:02:32 | 5 | HOF | |
| Kheiron | Duong | Nguyen | M | Irvine | California | USA | Viet Nam | 2018 Silver State 508 | 43 | Four Man | FIN | 38:02:32 | 2 | ||
| Kheiron | Daniel | Tran | M | Cypress | California | USA | USA | 2018 Silver State 508 | 50 | Four Man | FIN | 38:02:32 | 2 | ||
| Kheiron | Hai | Tran | M | Hawthorne | California | USA | USA | 2018 Silver State 508 | 32 | Four Man | FIN | 38:02:32 | 2 | ||
| Kheiron | Dzung | Dang | M | San Jose | California | USA | USA | 2020 Silver State 508 | 59 | Four Man Open | FIN | 34:54:06 | 5 | HOF | |
| Kheiron | Duong | Nguyen | M | Irvine | California | USA | Viet Nam | 2020 Silver State 508 | 45 | Four Man Open | FIN | 34:54:06 | 2 | ||
| Kheiron | Daniel | Tran | M | Cypress | California | USA | USA | 2020 Silver State 508 | 52 | Four Man Open | FIN | 34:54:06 | 2 | ||
| Kheiron | Hai | Tran | M | Manhattan Beach | California | USA | USA | 2020 Silver State 508 | 34 | Four Man Open | FIN | 34:54:06 | 2 | ||
| Killer Bees | Elsie | Bennett | F | Long Beach | California | USA | Belize | 2010 Furnace Creek 508 | 34 | Four Mixed | FIN | 45:38:23 | 4 | ||
| Killer Bees | Gary | Jackson | M | Signal Hill | California | USA | USA | 2010 Furnace Creek 508 | 58 | Four Mixed | FIN | 45:38:23 | 2 | ||
| Killer Bees | Todd | Miller | M | Long Beach | California | USA | USA | 2010 Furnace Creek 508 | 46 | Four Mixed | FIN | 45:38:23 | 3 | ||
| Killer Bees | Debbie | Shepack | F | Long Beach | California | USA | USA | 2010 Furnace Creek 508 | 48 | Four Mixed | FIN | 45:38:23 | 3 | ||
| Killer Bees | Elsie | Bennett | F | Long Beach | California | USA | Belize | 2011 Furnace Creek 508 | 35 | Four Mixed | FIN | 38:59:03 | 4 | ||
| Killer Bees | Lonnie | Binderim | M | Long Beach | California | USA | USA | 2011 Furnace Creek 508 | 45 | Four Mixed | FIN | 38:59:03 | 3 | ||
| Killer Bees | Todd | Miller | M | Long Beach | California | USA | USA | 2011 Furnace Creek 508 | 48 | Four Mixed | FIN | 38:59:03 | 3 | ||
| Killer Bees | Debbie | Shepack | F | Long Beach | California | USA | USA | 2011 Furnace Creek 508 | 49 | Four Mixed | FIN | 38:59:03 | 3 | ||
| Killer Bees | Elsie | Bennett | F | Long Beach | California | USA | Belize | 2012 Furnace Creek 508 | 36 | Four Mixed | FIN | 41:53:38 | 4 | ||
| Killer Bees | Lonnie | Binderim | M | Long Beach | California | USA | USA | 2012 Furnace Creek 508 | 47 | Four Mixed | FIN | 41:53:38 | 3 | ||
| Killer Bees | Gary | Jackson | M | Signal Hill | California | USA | USA | 2012 Furnace Creek 508 | 60 | Four Mixed | FIN | 41:53:38 | 2 | ||
| Killer Bees | Todd | Miller | M | Long Beach | California | USA | USA | 2012 Furnace Creek 508 | 48 | Four Mixed | FIN | 41:53:38 | 3 | ||
| Killer Bees | Gary | Jackson | M | Long Beach | California | USA | USA | 2014 Trona 308 | 62 | Two Man | FIN | 26:58:00 | 2 | ||
| Killer Bees | Todd | Miller | M | Long Beach | California | USA | USA | 2014 Trona 308 | 50 | Two Man | FIN | 26:58:00 | 3 | ||
| King Cobra | David | Goggins | M | San Diego | California | USA | USA | 2009 Furnace Creek 508 | 34 | Solo | FIN | 41:45:58 | 1 | ||
| King Crab | Rainer | Klaus | M | Germany | Germany | 1996 Furnace Creek 508 | 33 | Solo | FIN | 28:09:32 | Course Record: overall and 30+ | 1 | |||
| Kingfisher | Karen | Koppenhaver | F | California | USA | USA | 1993 Furnace Creek 508 | 32 | Solo | DNF | |||||
| Kingsnake | Rieks | Konig | M | Netherlands | Netherlands | 1998 Furnace Creek 508 | 37 | Solo | FIN | 34:35:04 | 1 | ||||
| Kinkajou | Tim | Kinkeade | M | Idaho | USA | USA | 1996 Furnace Creek 508 | 31 | Solo | DNF | 1 | ||||
| Kinkajou | Tim | Kinkeade | M | Idaho | USA | USA | 1997 Furnace Creek 508 | 32 | Solo | FIN | 44:49:47 | RAAM Qualifier | 1 | ||
| Kites | Joan | Deitchman | F | Sunnyvale | California | USA | Canada | 2007 Furnace Creek 508 | 27 | Four Mixed | FIN | 32:21:06 | 6 | HOF | |
| Kites | Robert | Kraencke | M | San Jose | California | USA | USA | 2007 Furnace Creek 508 | 51 | Four Mixed | FIN | 32:21:06 | 2 | ||
| Kites | Leslie | Mackenzie | F | Santa Clara | California | USA | USA | 2007 Furnace Creek 508 | 43 | Four Mixed | FIN | 32:21:06 | 1 | ||
| Kites | Dan | Sauers | M | Sunnyvale | California | USA | USA | 2007 Furnace Creek 508 | 56 | Four Mixed | FIN | 32:21:06 | 3 | ||
| Kites | Robert | Kraencke | M | San Jose | California | USA | USA | 2008 Furnace Creek 508 | 52 | Four Mixed | FIN | 32:15:16 | 2 | ||
| Kites | Anna | Luo | F | Sunnyvale | California | USA | USA | 2008 Furnace Creek 508 | 45 | Four Mixed | FIN | 32:15:16 | 3 | ||
| Kites | Richard | McCaw | M | San Jose | California | USA | USA | 2008 Furnace Creek 508 | 56 | Four Mixed | FIN | 32:15:16 | 1 | ||
| Kites | Louise | McCracken | F | Alviso | California | USA | USA | 2008 Furnace Creek 508 | 48 | Four Mixed | FIN | 32:15:16 | 2 | ||
| Kites | Anna | Luo | F | Sunnyvale | California | USA | USA | 2011 Furnace Creek 508 | 48 | Four Mixed | FIN | 31:15:51 | 3 | ||
| Kites | Donna | Nice | F | San Jose | California | USA | USA | 2011 Furnace Creek 508 | 43 | Four Mixed | FIN | 31:15:51 | 2 | ||
| Kites | Dan | Sauers | M | Sunnyvale | California | USA | USA | 2011 Furnace Creek 508 | 60 | Four Mixed | FIN | 31:15:51 | 3 | ||
| Kites | Mike | Shepard | M | San Jose | California | USA | USA | 2011 Furnace Creek 508 | 37 | Four Mixed | FIN | 31:15:51 | 1 | ||
| Kitten | Wendy | Gardiner | F | Acworth | Georgia | USA | USA | 2006 Furnace Creek 508 | 36 | Two Mixed | FIN | 33:14:26 | 1 | ||
| Kitten | Pete | Masiel | M | Santee | California | USA | USA | 2006 Furnace Creek 508 | 47 | Two Mixed | FIN | 33:14:26 | 1 | ||
| Kitty Kitty Bang Bang | Cynthie | Cuno | F | Los Angeles | California | USA | USA | 2012 Furnace Creek 508 | 34 | Four Woman | FIN | 37:00:08 | 1 | ||
| Kitty Kitty Bang Bang | Christina | DeRonde | F | Calabasas | California | USA | USA | 2012 Furnace Creek 508 | 45 | Four Woman | FIN | 37:00:08 | 3 | ||
| Kitty Kitty Bang Bang | Lisa | Gillmann | F | Sherman Oaks | California | USA | USA | 2012 Furnace Creek 508 | 40 | Four Woman | FIN | 37:00:08 | 2 | ||
| Kitty Kitty Bang Bang | Kelly | Walsh | F | Los Angeles | California | USA | USA | 2012 Furnace Creek 508 | 30 | Four Woman | FIN | 37:00:08 | 1 | ||
| Kiwi | Jude | Katsch | M | Felton | California | USA | USA | 1993 Furnace Creek 508 | 32 | Solo | FIN | 44:44:40 | 1 | ||
| Kiwi | Mark Damon | Blake | M | Parnell | New Zealand | USA | 2025 The 508 | 57 | Four Man Open | FIN | 34:26:09 | Null | 1 | ||
| Kiwi | Aaron | Davies | M | Parnell | New Zealand | USA | 2025 The 508 | 57 | Four Man Open | FIN | 34:26:09 | Null | 1 | ||
| Kiwi | Ben | Davies | M | Parnell | New Zealand | USA | 2025 The 508 | 57 | Four Man Open | FIN | 34:26:09 | Null | 1 | ||
| Kiwi | Mathew Robert | Tolhurst | M | Parnell | New Zealand | USA | 2025 The 508 | 57 | Four Man Open | FIN | 34:26:09 | Null | 1 | ||
| Klondike Bear | Brian | Glueck | M | California | USA | USA | 1997 Furnace Creek 508 | N/A | Four Man | FIN | 24:59:30 | 1 | |||
| Klondike Bear | Victor | Gonzalez | M | California | USA | USA | 1997 Furnace Creek 508 | N/A | Four Man | FIN | 24:59:30 | 1 | |||
| Klondike Bear | Gary | Oisha | M | California | USA | USA | 1997 Furnace Creek 508 | N/A | Four Man | FIN | 24:59:30 | 1 | |||
| Klondike Bear | Ken | Wiener | M | California | USA | USA | 1997 Furnace Creek 508 | N/A | Four Man | FIN | 24:59:30 | 1 | |||
| Koa Collie | Ron | Belfils | M | Spokane | Washington | USA | USA | 2017 Silver State 508 | 53 | Solo | FIN | 38:17:00 | 2 | ||
| Koa Collie | Ron | Belfils | M | Spokane | Washington | USA | USA | 2019 Silver State 508 | 54 | Solo | FIN | 43:15:22 | 2 | ||
| Koala | David | Kees | M | Auburn | California | USA | USA | October 1988 RAAM Open West | 32 | Solo | FIN | 36:51:00 | 4 | ||
| Koala | David | Kees | M | Auburn | California | USA | USA | 1989 April RAAM Open West | 34 | Solo | FIN | 34:52:00 | 4 | ||
| Koala | David | Kees | M | San Jose | California | USA | USA | 1995 Furnace Creek 508 | 40 | Solo | FIN | 29:47:30 | 2nd solo finish | 4 | |
| Koala | David | Kees | M | Grass Valley | California | USA | USA | 2005 Furnace Creek 508 | 50 | Solo | FIN | 31:55:13 | 4 | ||
| Kodiak Bear | Keith | Krombel | M | USA | USA | 1998 Furnace Creek 508 | 44 | Solo | FIN | 38:03:30 | 1 | ||||
| Koi Fish | Mitchelle | Oryaybali | M | Canyon Country | California | USA | USA | 2024 Silver State 508 | N/A | Solo | FIN | 43:04:09 | 1 | ||
| Komodo Dragon | Bram | van de Werken | M | Arvada | Colorado | USA | USA | 2007 Furnace Creek 508 | 50 | Solo | DNF | ||||
| Kookabura | Steven | Burns | M | Redondo Beach | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 55 | Solo | FIN | 30:50:00 | 2 | ||
| Kookaburra | Steven | Burns | M | Redondo Beach | California | USA | USA | 2014 Silver State 508 | 56 | Solo | FIN | 43:21:00 | 2 | ||
| Kraken | Brian | Cunningham | M | Amarillo | Texas | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 49 | Four Man | FIN | 22:43:00 | 1 | ||
| Kraken | Nick | Gerlich | M | Canyon | Texas | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 54 | Four Man | FIN | 22:43:00 | 2 | ||
| Kraken | Mel | Morris | M | Amarillo | Texas | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 39 | Four Man | FIN | 22:43:00 | 2 | ||
| Kraken | William | Pratt-Steele | M | Canyon | Texas | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 59 | Four Man | FIN | 22:43:00 | 4 | ||
| Krank'n Koala | Craig | Hahn | M | Park City | Utah | USA | USA | 2017 Silver State 508 | 46 | Four Man | FIN | 31:36:00 | 7 | HOF | |
| Krank'n Koala | Ryan | Kunz | M | Riverton | Utah | USA | USA | 2017 Silver State 508 | 43 | Four Man | FIN | 31:36:00 | 8 | HOF | |
| Krank'n Koala | Andy | Lee | M | Salt Lake City | Utah | USA | USA | 2017 Silver State 508 | 57 | Four Man | FIN | 31:36:00 | 5 | HOF | |
| Krank'n Koala | Todd | Nelson | M | Pleasanton | California | USA | USA | 2017 Silver State 508 | 54 | Four Man | FIN | 31:36:00 | 7 | HOF | |
| Krank'n Koala | Craig | Hahn | M | Park City | Utah | USA | USA | 2018 Silver State 508 | 47 | Four Man | FIN | 43:33:30 | 7 | HOF | |
| Krank'n Koala | Ryan | Kunz | M | Riverton | Utah | USA | USA | 2018 Silver State 508 | 44 | Four Man | FIN | 43:33:30 | 8 | HOF | |
| Krank'n Koala | Andy | Lee | M | Salt Lake City | Utah | USA | USA | 2018 Silver State 508 | 58 | Four Man | FIN | 43:33:30 | 5 | HOF | |
| Krank'n Koala | Bumha | Lee | M | Pleasanton | California | USA | USA | 2018 Silver State 508 | 49 | Four Man | FIN | 43:33:30 | 2 | ||
| Krank'n Koala | Ryan | Kunz | M | Riverton | Utah | USA | USA | 2019 Silver State 508 | 45 | Four Man | FIN | 31:35:30 | 8 | HOF | |
| Krank'n Koala | Kenneth | Lawrence | M | Pleasanton | California | USA | United Kingdom | 2019 Silver State 508 | 58 | Four Man | FIN | 31:35:30 | 1 | ||
| Krank'n Koala | Andy | Lee | M | Salt Lake City | Utah | USA | USA | 2019 Silver State 508 | 59 | Four Man | FIN | 31:35:30 | 5 | HOF | |
| Krank'n Koala | Jon | Skramstad | M | Pleasanton | California | USA | USA | 2019 Silver State 508 | 44 | Four Man | FIN | 31:35:30 | 8 | HOF | |
| Krank'n Koala | Craig | Hahn | M | Park City | Utah | USA | USA | 2020 Silver State 508 | 49 | Two Man Open | DNS | 7 | HOF | ||
| Krank'n Koala | Ryan | Kunz | M | Riverton | Utah | USA | USA | 2020 Silver State 508 | 46 | Two Man Open | DNS | 8 | HOF | ||
| Krank'n Koala | Steph | Albanito | F | St Louis | Missouri | USA | USA | 2021 Silver State 508 | 32 | Four Mixed Open | FIN | 35:46:45 | 3 | ||
| Krank'n Koala | Zane | Daggett | M | Merrimack | New Hampshire | USA | USA | 2021 Silver State 508 | 56 | Four Mixed Open | FIN | 35:46:45 | 4 | ||
| Krank'n Koala | Craig | Hahn | M | Park City | Utah | USA | USA | 2021 Silver State 508 | 50 | Four Mixed Open | FIN | 35:46:45 | 7 | HOF | |
| Krank'n Koala | Ryan | Kunz | M | Riverton | Utah | USA | USA | 2021 Silver State 508 | 47 | Four Mixed Open | FIN | 35:46:45 | 8 | HOF | |
| Krank'n Koala | Steph | Albanito | F | St. Louis | Missouri | USA | USA | 2022 Silver State 508 | 33 | Four Mixed | FIN | 34:18:00 | 3 | ||
| Krank'n Koala | Zane | Daggett | M | Merrimack | New Hampshire | USA | USA | 2022 Silver State 508 | 57 | Four Mixed | FIN | 34:18:00 | 4 | ||
| Krank'n Koala | Craig | Hahn | M | Park City | Utah | USA | USA | 2022 Silver State 508 | 51 | Four Mixed | FIN | 34:18:00 | 7 | HOF | |
| Krank'n Koala | Ryan | Kunz | M | Layton | Utah | USA | USA | 2022 Silver State 508 | 48 | Four Mixed | FIN | 34:18:00 | 8 | HOF | |
| Krank'n Koala | Steph | Albanito | F | Park City | Utah | USA | USA | 2023 Silver State 508 | N/A | Four Mixed | FIN | 33:33:40 | 3 | ||
| Krank'n Koala | Zane | Daggett | M | Merrimack | New Hampshire | USA | USA | 2023 Silver State 508 | N/A | Four Mixed | FIN | 33:33:40 | 4 | ||
| Krank'n Koala | Craig | Hahn | M | Park City | Utah | USA | USA | 2023 Silver State 508 | N/A | Four Mixed | FIN | 33:33:40 | 7 | HOF | |
| Krank'n Koala | Ryan | Kunz | M | Layton | Utah | USA | USA | 2023 Silver State 508 | N/A | Four Mixed | FIN | 33:33:40 | 8 | HOF | |
| Krank'n Koala | Zane | Daggett | M | Merrimack | New Hampshire | USA | USA | 2024 Silver State 508 | N/A | Two Man Open | FIN | 30:08:16 | 4 | ||
| Krank'n Koala | Ryan | Kunz | M | Layton | Utah | USA | USA | 2024 Silver State 508 | N/A | Two Man Open | FIN | 30:08:16 | 8 | HOF | |
| Kraut Dogs | Brian | Curwick | M | Fresno | California | USA | USA | 2011 Furnace Creek 508 | 42 | Four Man | FIN | 30:15:14 | 2 | ||
| Kraut Dogs | Paul | Moore | M | Fresno | California | USA | USA | 2011 Furnace Creek 508 | 51 | Four Man | FIN | 30:15:14 | 3 | ||
| Kraut Dogs | Trisha | Moyer | F | Fresno | California | USA | USA | 2011 Furnace Creek 508 | 43 | Four Man | FIN | 30:15:14 | 1 | ||
| Kraut Dogs | Doug | Sloan | M | Fresno | California | USA | USA | 2011 Furnace Creek 508 | 51 | Four Man | FIN | 30:15:14 | 4 | ||
| Kraut Dogs | Brian | Curwick | M | Fresno | California | USA | USA | 2012 Furnace Creek 508 | 43 | Four Man | FIN | 32:54:13 | 2 | ||
| Kraut Dogs | Paul | Moore | M | Fresno | California | USA | USA | 2012 Furnace Creek 508 | 52 | Four Man | FIN | 32:54:13 | 3 | ||
| Kraut Dogs | Walt | Mueller | M | Fresno | California | USA | USA | 2012 Furnace Creek 508 | 49 | Four Man | FIN | 32:54:13 | 1 | ||
| Kraut Dogs | Doug | Sloan | M | Fresno | California | USA | USA | 2012 Furnace Creek 508 | 52 | Four Man | FIN | 32:54:13 | 4 | ||
| Kudu | Gary | Kliewer | M | Ft. Morgan | Colorado | USA | USA | 1995 Furnace Creek 508 | 41 | Solo | FIN | 47:16:57 | 3 | ||
| Kudu | Gary | Kliewer | M | Ft. Morgan | Colorado | USA | USA | 1996 Furnace Creek 508 | 42 | Solo | FIN | 37:46:30 | 2nd solo finish | 3 | |
| Kudu | Gary | Kliewer | M | Ft. Morgan | Colorado | USA | USA | 1997 Furnace Creek 508 | 43 | Solo | DNF | 3 | |||
| Kudu | Gary | Kliewer | M | Ft. Morgan | Colorado | USA | USA | 1998 Furnace Creek 508 | 44 | Solo | DNF | 3 | |||
| Kudu | Gary | Kliewer | M | Ft. Morgan | Colorado | USA | USA | 1999 Furnace Creek 508 | 45 | Solo | DNF | TS4 - depleted in many ways | 3 | ||
| L'Orignal | Cara | Gillis | F | Los Angeles | California | USA | Canada | 2019 Silver State 508 | 41 | Solo | FIN | 36:03:44 | 5 | HOF | |
| L'Orignal | Cara | Gillis | F | Los Angeles | California | USA | USA | 2025 The 508 | 47 | Solo | FIN | 45:39:17 | Null | 5 | HOF |
| Lab Rat | David | Warady | M | Santa Ana | California | USA | USA | 1999 Furnace Creek 508 | 43 | Solo | DNF | TS2 - "bit off more than I could chew" | |||
| Labrador | Brandon | Montoya | M | San Diego | California | USA | USA | 2007 Furnace Creek 508 | 27 | Two Mixed | FIN | 34:38:32 | 2 | ||
| Labrador | Elizabeth | Montoya | F | San Diego | California | USA | USA | 2007 Furnace Creek 508 | 25 | Two Mixed | FIN | 34:38:32 | 1 | ||
| Labrador | Brandon | Montoya | M | San Diego | California | USA | USA | 2008 Furnace Creek 508 | 28 | Two Mixed | FIN | 33:34:25 | 2 | ||
| Labrador | Andi | Ramer | F | San Diego | California | USA | USA | 2008 Furnace Creek 508 | 35 | Two Mixed | FIN | 33:34:25 | 3 | ||
| Lagartija | Kley | Cardona | M | San Jose | California | USA | USA | 2008 Furnace Creek 508 | 47 | Two Man | FIN | 29:11:19 | 1 | ||
| Lagartija | Luke | Wallis | M | San Jose | California | USA | USA | 2008 Furnace Creek 508 | 55 | Two Man | FIN | 29:11:19 | 1 | ||
| Land Shark | Jeff | Landauer | M | Fair Oaks | California | USA | USA | 2003 Furnace Creek 508 | 36 | Solo | FIN | 31:19:22 | 3 | ||
| Land Shark | Jeff | Landauer | M | Roseville | California | USA | USA | 2004 Furnace Creek 508 | 37 | Solo | FIN | 36:14:24 | 3 | ||
| Land Shark | Jeff | Landauer | M | Roseville | California | USA | USA | 2005 Furnace Creek 508 | 38 | Solo | FIN | 29:28:27 | 3 | ||
| Langur | Rob | Lucas | M | Colorado Springs | Colorado | USA | USA | 2002 Furnace Creek 508 | 31 | Solo | FIN | 38:01:01 | New Qual. | 1 | |
| Lapp Dog | Markku | Saarinen | M | Paimio | Finland | Finland | 2004 Furnace Creek 508 | 48 | Solo | DNF | |||||
| Lapp Dog | Markku | Saarinen | M | Paimio | Finland | Finland | 2006 Furnace Creek 508 | 50 | Solo | DNF | |||||
| Lapp Dog | Markku | Saarinen | M | Paimio | Finland | Finland | 2007 Furnace Creek 508 | 51 | Solo | DNF | |||||
| Leafhopper | Leighton | White | M | Steamboat Springs | Colorado | USA | USA | 2005 Furnace Creek 508 | 42 | Solo | FIN | 35:33:56 | 1 | ||
| Leafhopper | Leighton | White | M | Steamboat Springs | Colorado | USA | USA | 2006 Furnace Creek 508 | 43 | Solo | DNF | 1 | |||
| Leapfrog | Colin | Lynch | M | San Rafael | California | USA | USA | 2003 Furnace Creek 508 | 49 | Solo | FIN | 40:02:35 | 1 | ||
| Leatherback Turtles | Gerd | Rosenblatt | M | Berkeley | California | USA | USA | 2004 Furnace Creek 508 | 71 | Two Man | FIN | 39:55:55 | COURSE RECORD | 2 | |
| Leatherback Turtles | Ron | Way | M | Downie | California | USA | USA | 2004 Furnace Creek 508 | 69 | Two Man | FIN | 39:55:55 | COURSE RECORD | 5 | HOF |
| Leatherback Turtles | Lori | Cherry | F | Fresno | California | USA | USA | 2006 Furnace Creek 508 | 48 | Two Mixed | FIN | 33:18:13 | 6 | HOF | |
| Leatherback Turtles | Gerd | Rosenblatt | M | Berkeley | California | USA | USA | 2006 Furnace Creek 508 | 73 | Two Mixed | FIN | 33:18:13 | 2 | ||
| Lemmings | Deborah | Caplan | F | Culver City | California | USA | USA | 1999 Furnace Creek 508 | 34 | Four Mixed | FIN | 28:15:25 | 2 | ||
| Lemmings | Mark | Jackson | M | Los Angeles | California | USA | USA | 1999 Furnace Creek 508 | 36 | Four Mixed | FIN | 28:15:25 | 1 | ||
| Lemmings | Rich | Porticos | M | Los Altos | California | USA | USA | 1999 Furnace Creek 508 | 37 | Four Mixed | FIN | 28:15:25 | 1 | ||
| Lemmings | Muffy | Ritz | F | Sun Valley | Idaho | USA | USA | 1999 Furnace Creek 508 | 42 | Four Mixed | FIN | 28:15:25 | 3 | ||
| Lemur | Mitch | Lesack | M | Bristol | Pennsylvania | USA | USA | 1993 Furnace Creek 508 | 35 | Solo | FIN | 35:01:16 | 2 | ||
| Lemur | Mitch | Lesack | M | Hatfield | Pennsylvania | USA | USA | 2004 Furnace Creek 508 | 46 | Solo | FIN | 38:40:55 | 2 | ||
| Lemur | Mitch | Lesack | M | Hatfield | Pennsylvania | USA | USA | 2005 Furnace Creek 508 | 47 | Solo | DNF | 2 | |||
| Leopard | Arvid | Loewen | M | Winnipeg | Manitoba | Canada | Canada | 1996 Furnace Creek 508 | 39 | Solo | DNF | 1 | |||
| Leopard | Arvid | Loewen | M | Winnipeg | Man | USA | Canada | 1998 Furnace Creek 508 | 41 | Solo | DNF | 1 | |||
| Leopard | Arvid | Loewen | M | Winnipeg | Manitoba | Canada | Canada | 2000 Furnace Creek 508 | 43 | Solo | FIN | 41:31:00 | 1 | ||
| Leprechaun | David | Glasgow | M | Tucson | Arizona | USA | USA | 2003 Furnace Creek 508 | 64 | Solo | FIN | 46:39:50 | 1 | ||
| Leviathan | Ron | Smith | M | Chula Vista | California | USA | USA | 2008 Furnace Creek 508 | 40 | Solo Recumbent | FIN | 42:54:39 | 3 | ||
| Leviathan | Ron | Smith | M | San Francisco | California | USA | USA | 2012 Furnace Creek 508 | 44 | Solo Recumbent | DNF | 3 | |||
| Lhasa Apso | John | Culligan | M | Salinas | California | USA | USA | 2009 Furnace Creek 508 | 46 | Solo | FIN | 43:20:56 | 6 | HOF | |
| Lhasa Apso | John | Culligan | M | Salinas | California | USA | USA | 2010 Furnace Creek 508 | 47 | Solo | FIN | 40:17:35 | 6 | HOF | |
| Lhasa Apso | John | Culligan | M | Salinas | California | USA | USA | 2012 Furnace Creek 508 | 49 | Solo | FIN | 39:00:39 | 6 | HOF | |
| Liger | Isabelle | Drake | F | Laguna Beach | California | USA | USA | 2008 Furnace Creek 508 | 55 | Solo | FIN | 46:27:56 | 7 | HOF | |
| Limpkin | Robert | Thomas | M | Atascadero | California | USA | USA | 2003 Furnace Creek 508 | 47 | Solo | FIN | 37:07:03 | 1 | ||
| Lion | Michael | Lau | M | Ottawa | Ontario | Canada | Canada | 1998 Furnace Creek 508 | 37 | Solo | FIN | 33:47:02 | 1 | ||
| Lion of Judah | Bruce | Jamieson Jr | M | San Diego | California | USA | USA | 2014 Trona 308 | 35 | Solo Randonneur | FIN | 21:58:00 | 1 | ||
| Lion of Judah | Bruce | Jamieson Jr | M | San Diego | California | USA | USA | 2014 Silver State 508 | 36 | Solo | FIN | 36:06:00 | 1 | ||
| Lionfish | Marlies | Radtke | F | Reno | Nevada | USA | USA | 2011 Furnace Creek 508 | 50 | Solo Tandem | DNF | 3 | |||
| Lionfish | Patrick | Seely | M | Reno | Nevada | USA | USA | 2011 Furnace Creek 508 | 58 | Solo Tandem | DNF | 3 | |||
| Lionfish | Marlies | Radtke | F | Reno | Nevada | USA | USA | 2012 Furnace Creek 508 | 52 | Tandem Mixed | FIN | 43:26:52 | 3 | ||
| Lionfish | Patrick | Seely | M | Reno | Nevada | USA | USA | 2012 Furnace Creek 508 | 59 | Tandem Mixed | FIN | 43:26:52 | 3 | ||
| Lions Roar | Elsie | Bennett | F | Long Beach | California | USA | Belize | 2013 Furnace Creek 508, AKA Trona 353 | 36 | Two Woman | FIN | 30:35:00 | 4 | ||
| Lions Roar | Debbie | Shepack | F | Long Beach | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 51 | Two Woman | FIN | 30:35:00 | 3 | ||
| Little Bear | Parker | Berling | M | San Francisco | California | USA | USA | 2014 Silver State 508 | 30 | Two Man | FIN | 26:51:00 | 1 | ||
| Little Bear | Seth | Berling | M | San Francisco | California | USA | USA | 2014 Silver State 508 | 33 | Two Man | FIN | 26:51:00 | 1 | ||
| Little Donkey | Jesse | Reeves | M | Reno | Nevada | USA | USA | 2022 Silver State 508 | 39 | Solo Randonneur | FIN | 33:56:00 | 1 | ||
| Little Red Flying Fox | Terri | Boykins | F | Los Angeles | California | USA | USA | 2012 Furnace Creek 508 | 50 | Two Woman | FIN | 39:07:58 | 1 | ||
| Little Red Flying Fox | Peg | Miller | F | Walnut Creek | California | USA | USA | 2012 Furnace Creek 508 | 57 | Two Woman | FIN | 39:07:58 | 6 | HOF | |
| Lizard | Charlie | Liskey | M | Somis | California | USA | USA | 1995 Furnace Creek 508 | 39 | Solo | FIN | 40:00:48 | 4 | ||
| Lizard | Charlie | Liskey | M | Somis | California | USA | USA | 1996 Furnace Creek 508 | 40 | Solo | FIN | 39:32:08 | Death Valley Cup, 2nd solo finish | 4 | |
| Lizard | Charlie | Liskey | M | Somis | California | USA | USA | 1997 Furnace Creek 508 | 41 | Solo | FIN | 36:11:00 | 3rd solo finish, RAAM Qualifier | 4 | |
| Lizard-Scorpion | Charlie | Liskey | M | Ojai | California | USA | USA | 2005 Furnace Creek 508 | 49 | Two Man | FIN | 31:24:23 | 4 | ||
| Lizard-Scorpion | Steve | Winfrey | M | Camarillo | California | USA | USA | 2005 Furnace Creek 508 | 51 | Two Man | FIN | 31:24:23 | 7 | HOF | |
| Llama | Cassandra | Lowe | F | Australia | Australia | 1998 Furnace Creek 508 | 34 | Solo | DNF | 1 | |||||
| Llama | Cassandra | Lowe | F | Sydney | Australia | Australia | 1999 Furnace Creek 508 | 35 | Solo | FIN | 35:02:02 | 1 | |||
| Lobster | Trent | Lockert | M | Edmonton | Alberta | Canada | Canada | 1995 Furnace Creek 508 | 29 | Solo | FIN | 33:15:40 | 1 | ||
| Lobster King | Mario | Dela Cruz | M | Azusa | California | USA | USA | 2023 Silver State 508 | N/A | Solo | FIN | 44:42:36 | 1 | ||
| Loch Ness Monster | Bob | Lees | M | Prince George | British Columbia | Canada | Canada | 2004 Furnace Creek 508 | 49 | Solo | DNF | ||||
| Loch Ness Monster | Bob | Lees | M | Prince George | British Columbia | Canada | Canada | 2005 Furnace Creek 508 | 50 | Solo | DNF | ||||
| Locust | Alexander | Lehman | M | USA | USA | 1998 Furnace Creek 508 | 24 | Solo | DNF | ||||||
| Locust | Alexander | Lehman | M | New York | New York | USA | USA | 1999 Furnace Creek 508 | 25 | Solo | DNF | TS2 - exhaustion/fatigue | |||
| Loggerhead Shrike | Robert | Treadwell | M | Spokane Valley | Washington | USA | USA | 2008 Furnace Creek 508 | 44 | Solo | FIN | 31:22:53 | 1 | ||
| Loggerhead Shrike | Robert | Treadwell | M | Burbank | California | USA | USA | 2009 Furnace Creek 508 | 45 | Solo | DNF | 1 | |||
| Lone Wolf | Robert | Hurst | M | Lake View Terrace | California | USA | USA | 2005 Furnace Creek 508 | 46 | Solo | FIN | 36:37:50 | 1 | ||
| Lone Wolf | Jarom | Thurston | M | Lake View Terrace | California | USA | USA | 2006 Furnace Creek 508 | 47 | Solo | FIN | 38:30:20 | 1 | ||
| Lone Wolf | Dan | Distefano | M | Yorba Linda | California | USA | USA | 2025 The 508 | 67 | Solo | DNF | ||||
| Long-Eared Jerboa | Willy | Nevin | M | Pacifica | California | USA | USA | 2009 Furnace Creek 508 | 50 | Solo | DNF | 5 | HOF | ||
| Long-Eared Jerboa | Willy | Nevin | M | Pacifica | California | USA | USA | 2010 Furnace Creek 508 | 51 | Solo | FIN | 45:16:07 | 5 | HOF | |
| Long-Eared Jerboa | Debra | Banks | F | fairfield | California | USA | USA | 2011 Furnace Creek 508 | 54 | Two Tandem Mixed | FIN | 37:06:02 | 4 | ||
| Long-Eared Jerboa | Steve | Gooselaw | M | Orange | California | USA | USA | 2011 Furnace Creek 508 | 50 | Two Tandem Mixed | FIN | 37:06:02 | 3 | ||
| Long-Eared Jerboa | Julie | Gray | F | Orange | California | USA | USA | 2011 Furnace Creek 508 | 51 | Two Tandem Mixed | FIN | 37:06:02 | 2 | ||
| Long-Eared Jerboa | Willy | Nevin | M | Pacifica | California | USA | USA | 2011 Furnace Creek 508 | 52 | Two Tandem Mixed | FIN | 37:06:02 | 5 | HOF | |
| Longhorn | Rick | Kent | M | Houston | Texas | USA | USA | 1989 April RAAM Open West | 32 | Solo | FIN | 33:08:00 | 3 | ||
| Longhorn | Rick | Kent | M | Houston | Texas | USA | USA | 1991 April RAAM Open West | 34 | Solo | FIN | 33:21:15 | 2nd solo finish | 3 | |
| Longhorn | Rick | Kent | M | Austin | Texas | USA | USA | 2000 Furnace Creek 508 | 44 | Solo | FIN | 39:40:44 | 3 | ||
| Longhorn | Rick | Kent | M | Austin | Texas | USA | USA | 2001 Furnace Creek 508 | 45 | Solo | DNF | 3 | |||
| Loon | Scott | Dakus | M | Henderson | Nevada | USA | USA | 2003 Furnace Creek 508 | 38 | Solo | FIN | 34:50:36 | 9 | HOF | |
| Loon | Scott | Dakus | M | Henderson | Nevada | USA | USA | 2004 Furnace Creek 508 | 39 | Solo | DNF | 9 | HOF | ||
| Loon | Scott | Dakus | M | Henderson | Nevada | USA | USA | 2005 Furnace Creek 508 | 40 | Solo | FIN | 31:53:29 | 9 | HOF | |
| Loon | Scott | Dakus | M | Henderson | Nevada | USA | USA | 2008 Furnace Creek 508 | 43 | Solo | FIN | 33:05:55 | 9 | HOF | |
| Loon | Scott | Dakus | M | Henderson | Nevada | USA | USA | 2009 Furnace Creek 508 | 45 | Solo Fixed Gear | DNF | 9 | HOF | ||
| Loon | Scott | Dakus | M | Henderson | Nevada | USA | USA | 2010 Furnace Creek 508 | 46 | Solo | FIN | 41:20:23 | 9 | HOF | |
| Loon | Scott | Dakus | M | Henderson | Nevada | USA | USA | 2011 Furnace Creek 508 | 47 | Solo | FIN | 34:51:43 | 9 | HOF | |
| Loon | Scott | Dakus | M | Henderson | Nevada | USA | USA | 2012 Furnace Creek 508 | 48 | Two Man | FIN | 34:38:50 | 9 | HOF | |
| Loon | Raymond | Williams | M | Riverside | California | USA | USA | 2012 Furnace Creek 508 | 62 | Two Man | FIN | 34:38:50 | 3 | ||
| Loon | Scott | Dakus | M | Henderson | Nevada | USA | USA | 2014 Trona 308 | 49 | Solo Fixed Gear | DNF | 9 | HOF | ||
| Loon | Scott | Dakus | M | Henderson | Nevada | USA | USA | 2016 Silver State 508 | 51 | Two Man | FIN | 31:00:00 | 9 | HOF | |
| Loon | Erik | Skramstad | M | Henderson | Nevada | USA | USA | 2016 Silver State 508 | 38 | Two Man | FIN | 31:00:00 | 8 | HOF | |
| Loon | Scott | Dakus | M | Henderson | Nevada | USA | USA | 2017 Silver State 508 | 52 | Two Mixed | FIN | 34:56:00 | 9 | HOF | |
| Loon | Tracy | Fisher | F | Henderson | Nevada | USA | USA | 2017 Silver State 508 | 50 | Two Mixed | FIN | 34:56:00 | 5 | HOF | |
| Lucky Black Cat | Elizabeth | Bearden | F | Denver | Colorado | USA | USA | 2022 Silver State 508 | 32 | Solo | DNF | ||||
| LuLu Bird | Brooke | Shinsky | F | Walnut Creek | California | USA | USA | 2012 Furnace Creek 508 | 42 | Two Mixed | FIN | 32:46:18 | 2 | ||
| LuLu Bird | David | Shinsky | M | Walnut Creek | California | USA | USA | 2012 Furnace Creek 508 | 42 | Two Mixed | FIN | 32:46:18 | 5 | HOF | |
| Lulu Bird | David | Shinsky | M | Walnut Creek | California | USA | USA | 2014 Silver State 508 | 44 | Solo | FIN | 37:05:00 | 5 | HOF | |
| Lulu Birds | Brooke | Shinsky | F | Walnut Creek | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 43 | Two Mixed | FIN | 22:43:00 | 2 | ||
| Lulu Birds | David | Shinsky | M | Walnut Creek | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 43 | Two Mixed | FIN | 22:43:00 | 5 | HOF | |
| Lynx | Chuck | Lepovetsky | M | USA | USA | 1994 Furnace Creek 508 | N/A | Tandem Mixed | DNF | ||||||
| Lynx | Ramona | Pierson | F | USA | USA | 1994 Furnace Creek 508 | N/A | Tandem Mixed | DNF | ||||||
| Macaw | Noriyuki | Miyamoto | M | Nakagawa-ku | Japan | Japan | 1998 Furnace Creek 508 | 27 | Solo | FIN | 31:38:01 | 1 | |||
| Mackerel Shark | Ti (Samuel) Arthur | Morse | M | Scottsdale | Arizona | USA | USA | 2011 Furnace Creek 508 | 46 | Two Man | FIN | 34:48:06 | 2 | ||
| Mackerel Shark | Michael | Shepston | M | Cave Creek | Arizona | USA | USA | 2011 Furnace Creek 508 | 54 | Two Man | FIN | 34:48:06 | 3 | ||
| Mackerel Shark | Ti (Samuel) Arthur | Morse | M | Scottsdale | Arizona | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 49 | Two Man | FIN | 23:04:00 | 2 | ||
| Mackerel Shark | Michael | Shepston | M | Cave Creek | Arizona | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 56 | Two Man | FIN | 23:04:00 | 3 | ||
| Macska | Istvan | Makk | M | Antioch | California | USA | USA | 2000 Furnace Creek 508 | 42 | Solo | FIN | 33:45:10 | First non-previously-RAAM qualified | 2 | |
| Mad Cow | Jay | Kilby | M | Los Gatos | California | USA | USA | 2012 Furnace Creek 508 | 49 | Solo | FIN | 36:05:32 | 7 | HOF | |
| Mad Cow | Jay | Kilby | M | Los Gatos | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 50 | Solo | FIN | 22:51:00 | 7 | HOF | |
| Mad Cow | Bob | Corman | M | Mountain View | California | USA | USA | 2015 Silver State 508 | 59 | Two Man | FIN | 33:11:31 | 7 | HOF | |
| Mad Cow | Jay | Kilby | M | Los Gatos | California | USA | USA | 2015 Silver State 508 | 52 | Two Man | FIN | 33:11:31 | 7 | HOF | |
| Mad Dog | Hugh | Murphy | M | Hacienda Heights | California | USA | USA | 1990 April RAAM Open West | 41 | Solo | FIN | 36:12:00 | 2 | ||
| Mad Dog | Hugh | Murphy | M | La Habra | California | USA | USA | 1991 October Furnace Creek 508 | 43 | Solo | FIN | 34:09:44 | 2nd solo finish | 2 | |
| Mad Dog | Hugh | Murphy | M | La Habra | California | USA | USA | 1995 Furnace Creek 508 | 47 | Solo | DNF | 2 | |||
| Mad Dog | Hugh | Murphy | M | La Habra | California | USA | USA | 1996 Furnace Creek 508 | 48 | Solo | DNF | 2 | |||
| Maggot | Lee | Mitchell | M | Woodland | California | USA | USA | 1998 Furnace Creek 508 | 62 | Solo | HON | ||||
| Magical Liopleurodon | James | Batson | M | Tracy | California | USA | USA | 2010 Furnace Creek 508 | 42 | Four Man | FIN | 36:27:09 | 1 | ||
| Magical Liopleurodon | Steve | Bursley | M | Pleasanton | California | USA | USA | 2010 Furnace Creek 508 | 52 | Four Man | FIN | 36:27:09 | 7 | HOF | |
| Magical Liopleurodon | Gil | Hopkins | M | Castro Valley | California | USA | USA | 2010 Furnace Creek 508 | 54 | Four Man | FIN | 36:27:09 | 8 | HOF | |
| Magical Liopleurodon | Jason | Pierce | M | Oakland | California | USA | USA | 2010 Furnace Creek 508 | 36 | Four Man | FIN | 36:27:09 | 5 | HOF | |
| Magical Unicorn | Theresa | Bender | F | Papillion | Nebraska | USA | USA | 2019 Silver State 508 | 34 | Solo | FIN | 34:44:00 | 2 | ||
| Magical Unicorn | Theresa | Bender | F | Papillion | Nebraska | USA | USA | 2020 Silver State 508 | 35 | Solo | FIN | 36:55:17 | 2 | ||
| Magpie | Felix | Gallo | M | Boulder | Colorado | USA | USA | 2004 Furnace Creek 508 | 44 | Solo | DNF | 1 | |||
| Magpie | Felix | Gallo | M | Boulder | Colorado | USA | USA | 2005 Furnace Creek 508 | 45 | Solo | FIN | 35:24:52 | 1 | ||
| Mahi Mahi | Robert | Baldino | M | Pleasantaon | California | USA | USA | 2004 Furnace Creek 508 | 59 | Two Man | FIN | 43:43:00 | 8 | HOF | |
| Mahi Mahi | Vernon C. | Watters | M | San Rafael | California | USA | USA | 2004 Furnace Creek 508 | 59 | Two Man | FIN | 43:43:00 | 1 | ||
| Mahi Mahi | Robert | Baldino | M | Pleasanton | California | USA | USA | 2005 Furnace Creek 508 | 60 | Two Man | FIN | 41:40:00 | 8 | HOF | |
| Mahi Mahi | Larry | Brenize | M | Newburg | Pennsylvania | USA | USA | 2005 Furnace Creek 508 | 54 | Two Man | FIN | 41:40:00 | 1 | ||
| Mahi Mahi | Robert | Baldino | M | Pleasanton | California | USA | USA | 2006 Furnace Creek 508 | 61 | Two Man | FIN | 43:33:19 | 8 | HOF | |
| Mahi Mahi | Lowell | Morgan | M | Monument | Colorado | USA | USA | 2006 Furnace Creek 508 | 60 | Two Man | FIN | 43:33:19 | 2 | ||
| Mahi Mahi | Robert | Baldino | M | Pleasanton | California | USA | USA | 2007 Furnace Creek 508 | 62 | Two Man | DNF | 8 | HOF | ||
| Mahi Mahi | Lowell | Morgan | M | Monument | California | USA | USA | 2007 Furnace Creek 508 | 61 | Two Man | DNF | 2 | |||
| Mahi Mahi | Robert | Baldino | M | Alameda | California | USA | USA | 2008 Furnace Creek 508 | 63 | Two Man | FIN | 40:27:10 | 8 | HOF | |
| Mahi Mahi | Joe | Burton | M | Livermore | California | USA | USA | 2008 Furnace Creek 508 | 45 | Two Man | FIN | 40:27:10 | 2 | ||
| Mahi Mahi | Robert | Baldino | M | Alameda | California | USA | USA | 2009 Furnace Creek 508 | 64 | Two Man | DNF | 8 | HOF | ||
| Mahi Mahi | Don | Williams | M | Livermore | California | USA | USA | 2009 Furnace Creek 508 | 43 | Two Man | DNF | 2 | |||
| Mahi Mahi | Robert | Baldino | M | Coronado | California | USA | USA | 2010 Furnace Creek 508 | 65 | Four Man | FIN | 41:45:30 | 8 | HOF | |
| Mahi Mahi | Glenn | Barrow | M | San Antonio | Texas | USA | USA | 2010 Furnace Creek 508 | 48 | Four Man | FIN | 41:45:30 | 1 | ||
| Mahi Mahi | Tim | Barrow | M | Castroville | Texas | USA | USA | 2010 Furnace Creek 508 | 51 | Four Man | FIN | 41:45:30 | 1 | ||
| Mahi Mahi | Joe | Burton | M | Livermore | California | USA | USA | 2010 Furnace Creek 508 | 51 | Four Man | FIN | 41:45:30 | 2 | ||
| Mahi Mahi | Robert | Baldino | M | Jackson | California | USA | USA | 2014 Silver State 508 | 69 | Four Man | FIN | 39:05:00 | 8 | HOF | |
| Mahi Mahi | Jeff | Miller | M | Livermore | California | USA | USA | 2014 Silver State 508 | 51 | Four Man | FIN | 39:05:00 | 1 | ||
| Mahi Mahi | Lowell | Morgan | M | Monument | Colorado | USA | USA | 2014 Silver State 508 | 68 | Four Man | FIN | 39:05:00 | 2 | ||
| Mahi Mahi | Don | Williams | M | Discovery Bay | California | USA | USA | 2014 Silver State 508 | 47 | Four Man | FIN | 39:05:00 | 2 | ||
| Mahi Mahi | Robert | Baldino | M | Jackson | California | USA | USA | 2018 Silver State 508 | 73 | Four Man | FIN | 43:19:47 | 8 | HOF | |
| Mahi Mahi | James | Hamon | M | Modesto | California | USA | USA | 2018 Silver State 508 | 47 | Four Man | FIN | 43:19:47 | 1 | ||
| Mahi Mahi | Abbie | Johnson | F | Huntington Beach | California | USA | USA | 2018 Silver State 508 | 29 | Four Man | FIN | 43:19:47 | 1 | ||
| Mahi Mahi | Mark | Weidhase | M | Riverside | California | USA | USA | 2018 Silver State 508 | 50 | Four Man | FIN | 43:19:47 | 1 | ||
| Main Lobster | Kevin | Main | M | San Luis Obispo | California | USA | USA | 2005 Furnace Creek 508 | 53 | Solo | FIN | 41:06:47 | 1 | ||
| Makaira | Randy | Profeta | M | Coral Springs | Florida | USA | USA | 2005 Furnace Creek 508 | 51 | Solo | FIN | 37:02:22 | 1 | ||
| Makaira | Randy | Profeta | M | Sharpsburg | California | USA | USA | 2007 Furnace Creek 508 | 53 | Solo | DNF | 1 | |||
| Mako | Karen | Armstrong | F | Spokane | Washington | USA | USA | 2007 Furnace Creek 508 | 47 | Solo | FIN | 36:58:24 | 3 | ||
| Mako | Karen | Armstrong | F | Spokane | Washington | USA | USA | 2008 Furnace Creek 508 | 48 | Solo | FIN | 34:09:09 | 3 | ||
| Mako | Karen | Armstrong | F | Spokane | Washington | USA | USA | 2010 Furnace Creek 508 | 50 | Solo | DNF | 3 | |||
| Mako | Karen | Armstrong | F | Spokane | Washington | USA | USA | 2011 Furnace Creek 508 | 51 | Solo | FIN | 36:15:51 | 3 | ||
| Mako | Karen | Armstrong | F | Spokane | Washington | USA | USA | 2012 Furnace Creek 508 | 52 | Solo | DNF | 3 | |||
| Mala Pagong | Joey | Ducut | M | Ontario | California | USA | USA | 2023 Silver State 508 | N/A | Two Man | FIN | 32:58:10 | 2 | ||
| Mala Pagong | Deo | Punongbayan | M | Monrovia | California | USA | USA | 2023 Silver State 508 | N/A | Two Man | FIN | 32:58:10 | 5 | HOF | |
| Malamute | Tom | Miller | M | Santee | California | USA | USA | 2000 Furnace Creek 508 | 49 | Solo | DNF | 3 | |||
| Malamute | Tom | Miller | M | Valley Center | California | USA | USA | 2001 Furnace Creek 508 | 50 | Solo | FIN | 43:27:00 | 3 | ||
| Malasugi | Joey | Ducut | M | Ontario | California | USA | USA | 2025 The 508 | 50 | Solo Randonneur | FIN | 47:24:28 | Null | 2 | |
| Mallard | John | Mickey | M | USA | USA | 1996 Furnace Creek 508 | N/A | Solo | DNF | ||||||
| Malteese | Linda | McFadden | F | Modesto | California | USA | USA | 2006 Furnace Creek 508 | 44 | Solo | DNF | ||||
| Mama Bear | Cherminne Grace Guerrero | Hornedo | F | Los Angeles | California | USA | USA | 2021 Silver State 508 | 54 | Solo | DNF | 4 | |||
| Mama Bear | Cherminne Grace Guerrero | Hornedo | F | Los Angeles | California | USA | USA | 2022 Silver State 508 | 55 | Solo | DNF | 4 | |||
| Mama Bear | Cherminne Grace Guerrero | Hornedo | F | Los Angeles | California | USA | USA | 2023 Silver State 508 | N/A | Solo Fixed Gear | FIN | 44:41:30 | 4 | ||
| Mammoth | Curt | Nichols | M | El Dorado Hills | California | USA | USA | 2006 Furnace Creek 508 | 50 | Solo | FIN | 46:14:08 | 2 | ||
| Manatee | Tim | Morrison | M | USA | USA | 1998 Furnace Creek 508 | 27 | Solo | DNF | ||||||
| Manatee | Tim | Morrison | M | Phoenix | Arizona | USA | USA | 1999 Furnace Creek 508 | 28 | Solo | DNF | TS3 - ? | |||
| Manatee | Will | Sepp | M | Saint George | Utah | USA | USA | 2017 Silver State 508 | 40 | Four Man | FIN | 42:03:00 | 1 | ||
| Manatee | Art | Tucker | M | St Mary's | Georgia | USA | USA | 2017 Silver State 508 | 57 | Four Man | FIN | 42:03:00 | 1 | ||
| Manatee | Larry | Wilcox | M | Kingsland | Georgia | USA | USA | 2017 Silver State 508 | 50 | Four Man | FIN | 42:03:00 | 2 | ||
| Manatee | Michael | Wilcox | M | Billings | Montana | USA | USA | 2017 Silver State 508 | 55 | Four Man | FIN | 42:03:00 | 2 | ||
| Manatee | Jeff | Rentz | M | Billings | Montana | USA | USA | 2019 Silver State 508 | 47 | Four Man | FIN | 33:05:07 | 1 | ||
| Manatee | Douglas | Sligting | M | Riverton | Utah | USA | USA | 2019 Silver State 508 | 48 | Four Man | FIN | 33:05:07 | 1 | ||
| Manatee | Larry | Wilcox | M | Kingsland | Georgia | USA | USA | 2019 Silver State 508 | 52 | Four Man | FIN | 33:05:07 | 2 | ||
| Manatee | Michael | Wilcox | M | Billings | Montana | USA | USA | 2019 Silver State 508 | 57 | Four Man | FIN | 33:05:07 | 2 | ||
| Mandrill | Charlie | Miller | M | USA | USA | 1995 Furnace Creek 508 | 34 | Solo | DNF | 2 | |||||
| Mandrill | Charlie | Miller | M | USA | USA | 1996 Furnace Creek 508 | 35 | Solo | FIN | 31:31:17 | 2 | ||||
| Mandrill | Charlie | Miller | M | USA | USA | 1997 Furnace Creek 508 | 36 | Solo | DNF | 2 | |||||
| Mandrill | Charlie | Miller | M | San Francisco | California | USA | USA | 1999 Furnace Creek 508 | 38 | Solo | DNF | TS4 - stomach | 2 | ||
| Mandrill | Charlie | Miller | M | California | USA | USA | 2004 Furnace Creek 508 | 43 | Solo | DNF | 2 | ||||
| Mandrill | Charlie | Miller | M | Napa | California | USA | USA | 2016 Silver State 508 | 55 | Solo Randonneur | FIN | 38:20:00 | 2 | ||
| Maned Wolf | Frederico | Santos | M | Rio De Janeiro | Brazil | Brazil | 2015 Silver State 508 | 37 | Solo | FIN | 38:47:37 | 1 | |||
| Maniacal Marmot | John | VanGilst | M | Upland | California | USA | USA | 2023 Silver State 508 | N/A | Solo Randonneur | FIN | 36:22:32 | 2 | ||
| Manimal | Roger | Hansen | M | Smithfield | Utah | USA | USA | 1999 Furnace Creek 508 | 49 | Solo | FIN | 41:20:25 | RQ | 1 | |
| Manta Ray | Jean Michel | Monot | M | Punaauia | Tahiti | French Polynesia | France | 2005 Furnace Creek 508 | 45 | Solo | FIN | 35:53:48 | 1 | ||
| Manticore | Leshek | Fiedorowicz | M | Morgan Hill | California | USA | USA | 2006 Furnace Creek 508 | 47 | Four Man | FIN | 32:50:16 | 3 | ||
| Manticore | Seana | Hogan | F | Valley Springs | California | USA | USA | 2006 Furnace Creek 508 | 47 | Four Man | FIN | 32:50:16 | 10 | HOF | |
| Manticore | Juergen | Launspach | M | San Jose | California | USA | USA | 2006 Furnace Creek 508 | 54 | Four Man | FIN | 32:50:16 | 2 | ||
| Manticore | Ira | Sheftman | M | San Jose | California | USA | USA | 2006 Furnace Creek 508 | 45 | Four Man | FIN | 32:50:16 | 1 | ||
| Manticore | Leshek | Fiedorowicz | M | Morgan Hill | California | USA | Poland | 2007 Furnace Creek 508 | 48 | Two Man | FIN | 32:45:03 | 3 | ||
| Manticore | Juergen | Launspach | M | San Jose | California | USA | USA | 2007 Furnace Creek 508 | 55 | Two Man | FIN | 32:45:03 | 2 | ||
| Mantis Shrimp | Roehl | Caragao | M | Fresno | California | USA | USA | 2014 Silver State 508 | 51 | Two Tandem | FIN | 32:35:00 | 18 | HOF | |
| Mantis Shrimp | Tom | Cesar | M | Fresno | California | USA | USA | 2014 Silver State 508 | 56 | Two Tandem | FIN | 32:35:00 | 1 | ||
| Mantis Shrimp | Richard | Hoff | M | Sanger | California | USA | USA | 2014 Silver State 508 | 61 | Two Tandem | FIN | 32:35:00 | 3 | ||
| Mantis Shrimp | Ronald | Quitoriano | M | Fresno | California | USA | USA | 2014 Silver State 508 | 73 | Two Tandem | FIN | 32:35:00 | 2 | ||
| Mantis Shrimp | Roehl | Caragao | M | Fresno | California | USA | USA | 2020 Silver State 508 | 57 | Two Man Open | FIN | 31:10:45 | 18 | HOF | |
| Mantis Shrimp | Richard | Hoff | M | Sanger | California | USA | USA | 2020 Silver State 508 | 67 | Two Man Open | FIN | 31:10:45 | 3 | ||
| Manx | John | Mazzola | M | Cedar Crest | New Mexico | USA | USA | 2003 Furnace Creek 508 | 53 | Solo | FIN | 44:26:57 | 1 | ||
| Margay | Paul | Duren | M | San Jose | California | USA | USA | 2008 Furnace Creek 508 | 49 | Two Man | FIN | 30:29:22 | 2 | ||
| Margay | Kenneth | Holloway | M | San Jose | California | USA | USA | 2008 Furnace Creek 508 | 56 | Two Man | FIN | 30:29:22 | 2 | ||
| Marlin | Mike | Connolly | M | Santa Rosa | California | USA | USA | 2003 Furnace Creek 508 | 53 | Solo | DNF | ||||
| Marlin | Mike | Connolly | M | Santa Rosa | California | USA | USA | 2004 Furnace Creek 508 | 54 | Solo | DNF | ||||
| Marmot | Gerhard | Dobmeier | M | Bischberg | Germany | Germany | 2005 Furnace Creek 508 | 42 | Solo | FIN | 33:00:51 | 1 | |||
| Masai Giraffe | Joe | Frank | M | San Diego | California | USA | USA | 2014 Trona 308 | 28 | Solo Randonneur | DNF | 1 | |||
| Mastodon | Jerry | Moylan | M | San Diego | California | USA | USA | 2002 Furnace Creek 508 | 49 | Solo | DNF | ||||
| Maui Dolphin | Wayne | Lewis | M | Palmerston North | Manawatu & Rangitikei | New Zealand | New Zealand | 2019 Silver State 508 | 54 | Solo | FIN | 43:38:07 | 1 | ||
| Medicine Horse | Jenn | Long | F | Fawnskin | California | USA | USA | 2005 Furnace Creek 508 | 31 | Solo | DNF | ||||
| Medicine Horse | Jenn | Long | F | Fawnskin | California | USA | USA | 2006 Furnace Creek 508 | 32 | Solo | DNF | ||||
| Meerkat | Zoran | Musicki | M | Upton | New York | USA | USA | 1991 October Furnace Creek 508 | 37 | Solo | FIN | 41:58:24 | 2 | ||
| Meerkat | Zoran | Musicki | M | Upton | New York | USA | USA | 1997 Furnace Creek 508 | 43 | Solo | FIN | 45:00:45 | 2nd solo finish, RAAM Qualifier | 2 | |
| Megamouth Shark | Rebecca | McClellan | F | San Rafael | California | USA | USA | 2002 Furnace Creek 508 | 43 | Tandem Mixed | DNF | Van broke down | |||
| Megamouth Shark | Curt | Simon | M | San Rafael | California | USA | USA | 2002 Furnace Creek 508 | 53 | Tandem Mixed | DNF | Van broke down | |||
| Mellivora | Mel | Morris | M | Amarillo | Texas | USA | USA | 2012 Furnace Creek 508 | 38 | Solo | FIN | 42:33:55 | 2 | ||
| Merlin | Greg | Lester | M | Cazadero | California | USA | USA | 2004 Furnace Creek 508 | 49 | Solo | FIN | 43:06:25 | 7 | HOF | |
| Merlin | Greg | Lester | M | Cazadero | California | USA | USA | 2005 Furnace Creek 508 | 50 | Solo | FIN | 34:55:17 | 7 | HOF | |
| Merlin | Greg | Lester | M | Cazadero | California | USA | USA | 2007 Furnace Creek 508 | 52 | Solo | FIN | 34:16:43 | 7 | HOF | |
| Merlin | Greg | Lester | M | Cazadero | California | USA | USA | 2008 Furnace Creek 508 | 53 | Solo | FIN | 33:20:28 | 7 | HOF | |
| Merlin | Greg | Lester | M | Cazadero | California | USA | USA | 2009 Furnace Creek 508 | 54 | Solo | FIN | 39:20:51 | 7 | HOF | |
| Merlin | Greg | Lester | M | Cazadero | California | USA | USA | 2011 Furnace Creek 508 | 56 | Solo | FIN | 35:36:14 | 7 | HOF | |
| Merlin | Greg | Lester | M | Cazadero | California | USA | USA | 2012 Furnace Creek 508 | 57 | Solo | FIN | 37:19:54 | 7 | HOF | |
| Mexican Wolf | David Tinker | Juarez | M | Downey | California | USA | USA | 2005 Furnace Creek 508 | 44 | Solo | FIN | 27:24:07 | 1 | ||
| Microraptor | Saralie | Liner | F | Santa Monica | California | USA | USA | 2008 Furnace Creek 508 | 56 | Solo | FIN | 40:53:55 | 2 | ||
| Microraptor | Saralie | Liner | F | Santa Monica | California | USA | USA | 2012 Furnace Creek 508 | 60 | Solo | DNF | 2 | |||
| Midnight Mambas | Dana | Laytham-Herbert | F | Pleasanton | California | USA | USA | 2010 Furnace Creek 508 | 45 | Four Woman | FIN | 36:56:34 | 1 | ||
| Midnight Mambas | Isabel | McGregor-Crane | F | Pleasanton | California | USA | USA | 2010 Furnace Creek 508 | 51 | Four Woman | FIN | 36:56:34 | 1 | ||
| Midnight Mambas | Janet | Orgill | F | Danville | California | USA | USA | 2010 Furnace Creek 508 | 45 | Four Woman | FIN | 36:56:34 | 1 | ||
| Midnight Mambas | Melinda | Wiley | F | Dublin | California | USA | USA | 2010 Furnace Creek 508 | 52 | Four Woman | FIN | 36:56:34 | 1 | ||
| Midnight Tiger | Travis | Milner | M | Davis | California | USA | USA | 2023 Silver State 508 | N/A | Solo Randonneur | DNF | ||||
| Mighty Millipede | Roehl | Caragao | M | Fresno | California | USA | USA | 2007 Furnace Creek 508 | 44 | Four Tandem Mixed | FIN | 28:11:04 | 18 | HOF | |
| Mighty Millipede | Lori | Cherry | F | Fresno | California | USA | USA | 2007 Furnace Creek 508 | 49 | Four Tandem Mixed | FIN | 28:11:04 | 6 | HOF | |
| Mighty Millipede | Deanna | Cox | F | Madera | California | USA | USA | 2007 Furnace Creek 508 | 42 | Four Tandem Mixed | FIN | 28:11:04 | 1 | ||
| Mighty Millipede | Richard | Hoff | M | Sanger | California | USA | USA | 2007 Furnace Creek 508 | 54 | Four Tandem Mixed | FIN | 28:11:04 | 3 | ||
| Mighty Millipede | Roger | Hogan | M | Sanger | California | USA | USA | 2007 Furnace Creek 508 | 45 | Four Tandem Mixed | FIN | 28:11:04 | 1 | ||
| Mighty Millipede | Dale | Johnson | M | Fresno | California | USA | USA | 2007 Furnace Creek 508 | 58 | Four Tandem Mixed | FIN | 28:11:04 | 1 | ||
| Mighty Millipede | Jane | Johnson | F | Fresno | California | USA | USA | 2007 Furnace Creek 508 | 48 | Four Tandem Mixed | FIN | 28:11:04 | 1 | ||
| Mighty Millipede | Lisa | Williams | F | Fresno | California | USA | USA | 2007 Furnace Creek 508 | 39 | Four Tandem Mixed | FIN | 28:11:04 | 2 | ||
| Mighty Mouse | Leah | Goldstein | F | Vancouver | British Columbia | Canada | Canada | 2009 Furnace Creek 508 | 40 | Solo | FIN | 35:01:50 | 3 | ||
| Mighty Mouse | Leah | Goldstein | F | Vernon | British Columbia | Canada | Canada | 2010 Furnace Creek 508 | 41 | Solo | FIN | 35:38:01 | 3 | ||
| Mighty Mouse | Leah | Goldstein | F | Vernon | British Columbia | Canada | Canada | 2018 Silver State 508 | 49 | Solo | FIN | 32:26:35 | New overall women's solo course record/40+ solo women record too | 3 | |
| Mink | Suzanne | McNeil | F | USA | USA | 1994 Furnace Creek 508 | 41 | Solo | DNF | ||||||
| Minotaur | Leshek | Fiedorowicz | M | Morgan Hill | California | USA | Poland | 2005 Furnace Creek 508 | 46 | Solo | FIN | 35:23:47 | 3 | ||
| Missing Lynx | Dan | Dibb | M | Long Beach | California | USA | USA | 2008 Furnace Creek 508 | 51 | Four Man Fixed Gear | FIN | 32:57:25 | 6 | HOF | |
| Missing Lynx | Tom | Eichen | M | Los Alamitos | California | USA | USA | 2008 Furnace Creek 508 | 50 | Four Man Fixed Gear | FIN | 32:57:25 | 2 | ||
| Missing Lynx | Pat | Jesson | M | Waxhaw | North Carolina | USA | Canada | 2008 Furnace Creek 508 | 47 | Four Man Fixed Gear | FIN | 32:57:25 | 1 | ||
| Missing Lynx | Greg | Page | M | Downey | California | USA | USA | 2008 Furnace Creek 508 | 46 | Four Man Fixed Gear | FIN | 32:57:25 | 7 | HOF | |
| Missing Lynx | Dan | Dibb | M | Long Beach | California | USA | USA | 2009 Furnace Creek 508 | 52 | Two Man Fixed Gear | FIN | 37:48:40 | 6 | HOF | |
| Missing Lynx | Greg | Page | M | Downey | California | USA | USA | 2009 Furnace Creek 508 | 47 | Two Man Fixed Gear | FIN | 37:48:40 | 7 | HOF | |
| Missing Lynx | Dan | Dibb | M | Long Beach | California | USA | USA | 2011 Furnace Creek 508 | 54 | Four Man Fixed Gear | FIN | 33:04:17 | 6 | HOF | |
| Missing Lynx | Tom | Eichen | M | Los Alamitos | California | USA | USA | 2011 Furnace Creek 508 | 53 | Four Man Fixed Gear | FIN | 33:04:17 | 2 | ||
| Missing Lynx | Greg | Page | M | Downey | California | USA | USA | 2011 Furnace Creek 508 | 49 | Four Man Fixed Gear | FIN | 33:04:17 | 7 | HOF | |
| Missing Lynx | John | Reynolds | M | Camarillo | California | USA | USA | 2011 Furnace Creek 508 | 53 | Four Man Fixed Gear | FIN | 33:04:17 | 1 | ||
| Mojave Green | Timothy A. | Granger | M | Lancaster | California | USA | USA | 2006 Furnace Creek 508 | 44 | Four Man | FIN | 28:59:23 | 1 | ||
| Mojave Green | Ronald | Phillips | M | Northville | Michigan | USA | USA | 2006 Furnace Creek 508 | 54 | Four Man | FIN | 28:59:23 | 1 | ||
| Mojave Green | Jason | Short | M | Lancaster | California | USA | USA | 2006 Furnace Creek 508 | 22 | Four Man | FIN | 28:59:23 | 1 | ||
| Mojave Green | David | Stroup | M | Lancaster | California | USA | USA | 2006 Furnace Creek 508 | 48 | Four Man | FIN | 28:59:23 | 1 | ||
| Molting Tarantula | Jose | Corona | M | Tracy | California | USA | USA | 2020 Silver State 508 | 59 | Four Man | DNS | 1 | |||
| Molting Tarantula | Luke | Halliwell | M | Byron | California | USA | United Kingdom | 2020 Silver State 508 | 40 | Four Man | DNS | 1 | |||
| Molting Tarantula | Bryan | Pelham | M | Pleasanton | California | USA | USA | 2020 Silver State 508 | 52 | Four Man | DNS | 1 | |||
| Molting Tarantula | Paul | Rose | M | Livermore | California | USA | USA | 2020 Silver State 508 | 57 | Four Man | DNS | 2 | |||
| Molting Tarantula | Jose | Corona | M | Tracy | California | USA | USA | 2021 Silver State 508 | 60 | Four Man Open | FIN | 30:35:14 | 1 | ||
| Molting Tarantula | Luke | Halliwell | M | Byron | California | USA | United Kingdom | 2021 Silver State 508 | 41 | Four Man Open | FIN | 30:35:14 | 1 | ||
| Molting Tarantula | Bryan | Pelham | M | Pleasanton | California | USA | USA | 2021 Silver State 508 | 53 | Four Man Open | FIN | 30:35:14 | 1 | ||
| Molting Tarantula | Paul | Rose | M | Livermore | California | USA | USA | 2021 Silver State 508 | 58 | Four Man Open | FIN | 30:35:14 | 2 | ||
| Monarch Butterfly | Linda | Bott | F | Ventura | California | USA | USA | 2005 Furnace Creek 508 | 48 | Solo | FIN | 41:38:29 | 5 | HOF | |
| Monarch Butterfly | Linda | Bott | F | Ventura | California | USA | USA | 2006 Furnace Creek 508 | 49 | Solo | FIN | 40:48:56 | 5 | HOF | |
| Mongolian Wild Ass | Shanna Christine | Armstrong | F | Lubbock | Texas | USA | USA | 2004 Furnace Creek 508 | 31 | Two Mixed | FIN | 38:49:25 | COURSE RECORD | 3 | |
| Mongolian Wild Ass | Guy | Wells | M | Lubbock | Texas | USA | USA | 2004 Furnace Creek 508 | 54 | Two Mixed | FIN | 38:49:25 | COURSE RECORD | 1 | |
| Mongolian Wild Ass | Shanna Christine | Armstrong | F | Lubbock | Texas | USA | USA | 2005 Furnace Creek 508 | 31 | Solo | DNF | 3 | |||
| Mongoose | Tom | Baggitt | M | Titusville | Florida | USA | USA | 2000 Furnace Creek 508 | 47 | Four Man | DNF | ||||
| Mongoose | Barbara | Bergin | M | Gainesville | Florida | USA | USA | 2000 Furnace Creek 508 | N/A | Four Man | DNF | ||||
| Mongoose | Ben | O'Neal | M | Mevourne | Florida | USA | USA | 2000 Furnace Creek 508 | 38 | Four Man | DNF | 1 | |||
| Mongoose | Ben | O'Neal | M | Melbourne | Florida | USA | USA | 2001 Furnace Creek 508 | 39 | Two Man | FIN | 40:31:00 | 1 | ||
| Mongoose | Richard | Rayos | M | Seattle | Washington | USA | USA | 2001 Furnace Creek 508 | 35 | Two Man | FIN | 40:31:00 | 1 | ||
| Mongrel Dogs | Michael | Gray | M | San Francisco | California | USA | USA | 2005 Furnace Creek 508 | 39 | Four Man | FIN | 30:41:26 | 1 | ||
| Mongrel Dogs | Peter | Robbins | M | Glendale | California | USA | USA | 2005 Furnace Creek 508 | 48 | Four Man | FIN | 30:41:26 | 1 | ||
| Mongrel Dogs | Oscar | Thompson | M | Los Angeles | California | USA | USA | 2005 Furnace Creek 508 | 42 | Four Man | FIN | 30:41:26 | 2 | ||
| Mongrel Dogs | Todd | Wexman | M | Los Angeles | California | USA | USA | 2005 Furnace Creek 508 | 42 | Four Man | FIN | 30:41:26 | 2 | ||
| Mongrel Dogs | Hime | Herbert | M | Los Angeles | California | USA | Italy | 2006 Furnace Creek 508 | 32 | Four Man | FIN | 27:59:15 | 1 | ||
| Mongrel Dogs | Maxwell | Lucas | M | Los Angeles | California | USA | USA | 2006 Furnace Creek 508 | 31 | Four Man | FIN | 27:59:15 | 2 | ||
| Mongrel Dogs | Oscar | Thompson | M | Los Angeles | California | USA | USA | 2006 Furnace Creek 508 | 43 | Four Man | FIN | 27:59:15 | 2 | ||
| Mongrel Dogs | Todd | Wexman | M | Los Angeles | California | USA | USA | 2006 Furnace Creek 508 | 43 | Four Man | FIN | 27:59:15 | 2 | ||
| Monkey | David | Moore | M | USA | USA | 1996 Furnace Creek 508 | 25 | Solo | DNF | 3 | |||||
| Monkey | Aaron | Maynard | M | Simi Valley | California | USA | USA | 2021 Silver State 508 | 26 | Solo | DNF | ||||
| Mono Ardilla | Francisco | Sanchez Castillo | M | Mercedes Norte | Heredia | Costa Rica | Costa Rica | 2018 Silver State 508 | 58 | Solo | FIN | 42:34:09 | 2 | ||
| Mono Ardilla | Francisco | Sanchez Castillo | M | Mercedes Norte | Heredia | Costa Rica | Costa Rica | 2019 Silver State 508 | 58 | Solo | FIN | 45:20:34 | 2 | ||
| Moonfish | Chris | Moon | M | Strathaven | Lanarkshire | United Kingdom | United Kingdom | 2013 Furnace Creek 508, AKA Trona 353 | 51 | Solo | DNF | ||||
| Moose | Kent | Carter | M | Jacksonville | Florida | USA | USA | 2001 Furnace Creek 508 | 34 | Two Man | FIN | 37:21:00 | 1 | ||
| Moose | Paul | Gilmore | M | Jacksonville | Florida | USA | USA | 2001 Furnace Creek 508 | 47 | Two Man | FIN | 37:21:00 | 1 | ||
| Moose | Kent | Carter | M | Jacksonville | Florida | USA | USA | 2002 Furnace Creek 508 | 35 | Two Man | DNF | 1 | |||
| Moose | Paul | Gilmore | M | Jacksonville | Florida | USA | USA | 2002 Furnace Creek 508 | 48 | Two Man | DNF | 1 | |||
| Morepork Owl | Paul | Lewis | M | Feilding | New Zealand | USA | 2025 The 508 | 57 | Solo | FIN | 42:18:05 | Null | 1 | ||
| Morro Eel | Bernie | Barge | M | Paso Robles | California | USA | USA | 2001 Furnace Creek 508 | 40 | Four Man | FIN | 27:34:00 | 8 | HOF | |
| Morro Eel | Elton | Bryant | M | Morro Bay | California | USA | USA | 2001 Furnace Creek 508 | 50 | Four Man | FIN | 27:34:00 | 2 | ||
| Morro Eel | Jim | Gerpheide | M | Paso Robles | California | USA | USA | 2001 Furnace Creek 508 | 46 | Four Man | FIN | 27:34:00 | 1 | ||
| Morro Eel | Brian | Stark | M | Paso Robles | California | USA | USA | 2001 Furnace Creek 508 | 53 | Four Man | FIN | 27:34:00 | 5 | HOF | |
| Morro Eel | Herb | Benham | M | Bakersfield | California | USA | USA | 2002 Furnace Creek 508 | 47 | Four Man | FIN | 25:38:38 | 2 | ||
| Morro Eel | Elton | Bryant | M | Morro Bay | California | USA | USA | 2002 Furnace Creek 508 | 51 | Four Man | FIN | 25:38:38 | 2 | ||
| Morro Eel | Brian | Stark | M | Paso Robles | California | USA | USA | 2002 Furnace Creek 508 | 54 | Four Man | FIN | 25:38:38 | 5 | HOF | |
| Morro Eel | John | Williams | M | Wofford Heights | California | USA | USA | 2002 Furnace Creek 508 | 54 | Four Man | FIN | 25:38:38 | 8 | HOF | |
| Mosquitos | Bruce | Cole | M | Mariposa | California | USA | USA | 2012 Furnace Creek 508 | 48 | Four Man | FIN | 30:16:30 | 4 | ||
| Mosquitos | Vincent | Kam | M | Davis | California | USA | USA | 2012 Furnace Creek 508 | 24 | Four Man | FIN | 30:16:30 | 2 | ||
| Mosquitos | Bryan | Pro | M | Davis | California | USA | USA | 2012 Furnace Creek 508 | 34 | Four Man | FIN | 30:16:30 | 4 | ||
| Mosquitos | Brad | Thomas | M | El Macero | California | USA | USA | 2012 Furnace Creek 508 | 60 | Four Man | FIN | 30:16:30 | 1 | ||
| Mosquitos | Bruce | Cole | M | Mariposa | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 49 | Four Man | FIN | 21:20:00 | 4 | ||
| Mosquitos | Vincent | Kam | M | Davis | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 25 | Four Man | FIN | 21:20:00 | 2 | ||
| Mosquitos | Patrick | Monroe | M | Lafayette | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 44 | Four Man | FIN | 21:20:00 | 1 | ||
| Mosquitos | Bryan | Pro | M | Davis | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 35 | Four Man | FIN | 21:20:00 | 4 | ||
| Mosquitos | Megan | Brinkmeyer | F | West Sacramento | California | USA | USA | 2014 Silver State 508 | 30 | Four Man | FIN | 30:25:00 | 2 | ||
| Mosquitos | Bruce | Cole | M | Mariposa | California | USA | USA | 2014 Silver State 508 | 50 | Four Man | FIN | 30:25:00 | 4 | ||
| Mosquitos | Charlie | Kharsa | M | Davis | California | USA | USA | 2014 Silver State 508 | 49 | Four Man | FIN | 30:25:00 | 3 | ||
| Mosquitos | Bryan | Pro | M | Davis | California | USA | USA | 2014 Silver State 508 | 36 | Four Man | FIN | 30:25:00 | 4 | ||
| Mosquitos | Megan | Brinkmeyer | F | West Sacramento | California | USA | USA | 2015 Silver State 508 | 31 | Two Mixed | FIN | 31:53:13 | 2 | ||
| Mosquitos | Bruce | Cole | M | Mariposa | California | USA | USA | 2015 Silver State 508 | 51 | Two Mixed | FIN | 31:53:13 | 4 | ||
| Moth | Jack | McBroom | M | Hemet | California | USA | USA | 2000 Furnace Creek 508 | 43 | Solo | DNF | ||||
| Mother Goose | Nancy | Guth | F | Stafford | Virginia | USA | USA | 2002 Furnace Creek 508 | 52 | Solo | FIN | 46:01:31 | 1 | ||
| Mountain Cur | Jim | Kehr | M | laguna beach | California | USA | USA | 2012 Furnace Creek 508 | 69 | Solo | DNF | ||||
| Mountain Goat | Dan | McGehee | M | Mesa | Arizona | USA | USA | 1998 Furnace Creek 508 | 36 | Solo | FIN | 30:55:50 | 4 | ||
| Mountain Goat | Matthew | Innes | M | Tempe | Arizona | USA | USA | 2003 Furnace Creek 508 | 36 | Two Man | FIN | 25:38:08 | Course Record! | 1 | |
| Mountain Goat | Dan | McGehee | M | Mesa | Arizona | USA | USA | 2003 Furnace Creek 508 | 41 | Two Man | FIN | 25:38:08 | Course Record! | 4 | |
| Mountain Goat | Dan | McGehee | M | Mesa | Arizona | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 51 | Solo | FIN | 19:00:00 | 4 | ||
| Mountain Gorilla | Ted | Philip | M | Wayland | Maine | USA | USA | 2012 Furnace Creek 508 | 47 | Solo | FIN | 38:32:59 | 1 | ||
| Mountain Jay | Jason | Hooker | M | San Francisco | California | USA | USA | 2019 Silver State 508 | 44 | Solo | DNF | 1 | |||
| Mountain Jay | Jason | Hooker | M | San Francisco | California | USA | USA | 2025 The 508 | 50 | Solo | FIN | 46:59:16 | Null | 1 | |
| Mountain Lion | Lap | Lai | M | Vancouver | Washington | USA | 2011 Furnace Creek 508 | 56 | Solo | DNF | |||||
| Mountain Pigmy-Possum | Thomas | Maslen | M | Glen Waverley | Victoria | Australia | Australia | 1997 Furnace Creek 508 | 35 | Solo | FIN | 36:56:22 | RAAM Qualifier | 1 | |
| Mountain Turtle | Erika | Van Meter | F | Aspen | Colorado | USA | USA | 2002 Furnace Creek 508 | 30 | Solo | DNF | ||||
| Mountain Turtle | Monica | Busby | F | Los Angeles | California | USA | Philippines | 2018 Silver State 508 | 42 | Solo | DNF | ||||
| Mouse | Mhyee | Mergler | M | Clinton | Massachusetts | USA | USA | 1993 Furnace Creek 508 | 26 | Solo | FIN | 47:19:10 | 1 | ||
| Mudcat | David | Holt | M | Laguna Niguel | California | USA | USA | 2004 Furnace Creek 508 | 52 | Solo | FIN | 33:32:03 | 7 | HOF | |
| Mudcat | David | Holt | M | Laguna Niguel | California | USA | USA | 2005 Furnace Creek 508 | 53 | Solo | FIN | 30:33:40 | 7 | HOF | |
| Mudcat | David | Holt | M | Laguna Niguel | California | USA | USA | 2006 Furnace Creek 508 | 54 | Solo | FIN | 30:46:36 | 7 | HOF | |
| Mudcat | David | Holt | M | Laguna Niguel | California | USA | USA | 2009 Furnace Creek 508 | 57 | Solo | FIN | 34:31:00 | 7 | HOF | |
| Mudcat | David | Holt | M | Laguna Niguel | California | USA | USA | 2010 Furnace Creek 508 | 58 | Solo | FIN | 32:35:15 | 7 | HOF | |
| Mudcat | David | Holt | M | Laguna Niguel | California | USA | USA | 2012 Furnace Creek 508 | 60 | Solo | FIN | 31:29:13 | 7 | HOF | |
| Muddy Mudskipper | Paul | McKenzie | M | Richmond | California | USA | USA | 2005 Furnace Creek 508 | 51 | Solo | FIN | 32:00:07 | 5 | HOF | |
| Muddy Mudskipper | Paul | McKenzie | M | Richmond | California | USA | USA | 2007 Furnace Creek 508 | 53 | Solo | FIN | 33:42:33 | 5 | HOF | |
| Muddy's Goats | Ciaran | Byrne | M | Campbell | California | USA | Ireland | 2020 Silver State 508 | 48 | Two Man | DNF | ||||
| Muddy's Goats | Frederic | Raynal | M | San Jose | California | USA | France | 2020 Silver State 508 | 49 | Two Man | DNF | ||||
| Mule | Martinmaas | Scott | M | USA | USA | 1994 Furnace Creek 508 | 31 | Solo | FIN | 39:49:50 | 2 | ||||
| Muskox | Tim | Hewitt | M | Greensburg | Pennsylvania | USA | USA | 2010 Furnace Creek 508 | 56 | Solo | FIN | 42:11:07 | Death Valley Cup | 1 | |
| Muskrat | Rob | Morlock | M | USA | USA | 1994 Furnace Creek 508 | 30 | Solo | FIN | 31:41:28 | 3 | ||||
| Muskrat | Rob | Morlock | M | Danbury | Connecticut | USA | USA | 2006 Furnace Creek 508 | 42 | Solo | FIN | 32:00:22 | 3 | ||
| Muskrat | Rob | Morlock | M | Danbury | Connecticut | USA | USA | 2015 Silver State 508 | 51 | Solo | FIN | 31:27:30 | 3 | ||
| Mussel | Jim | Verheul | M | Westlake Village | California | USA | USA | 2007 Furnace Creek 508 | 42 | Two Man Recumbent | FIN | 29:31:10 | 2 | ||
| Mussel | Michael | Wolfe | M | Portland | Oregon | USA | USA | 2007 Furnace Creek 508 | 33 | Two Man Recumbent | FIN | 29:31:10 | 2 | ||
| Mustangs | Bill | Albers | M | Healdsburg | California | USA | USA | 2009 Furnace Creek 508 | 42 | Two Tandem Mixed | FIN | 35:00:02 | 6 | HOF | |
| Mustangs | Debbie | Albers | F | Healdsburg | California | USA | USA | 2009 Furnace Creek 508 | 46 | Two Tandem Mixed | FIN | 35:00:02 | 3 | ||
| Mustangs | Marlies | Radtke | F | Reno | Nevada | USA | USA | 2009 Furnace Creek 508 | 49 | Two Tandem Mixed | FIN | 35:00:02 | 3 | ||
| Mustangs | Patrick | Seely | M | Reno | Nevada | USA | USA | 2009 Furnace Creek 508 | 56 | Two Tandem Mixed | FIN | 35:00:02 | 3 | ||
| Mustangs | Bill | Albers | M | Healdsburg | California | USA | USA | 2010 Furnace Creek 508 | 43 | Two Tandem Mixed | FIN | 32:42:03 | 6 | HOF | |
| Mustangs | Debbie | Albers | F | Healdsburg | California | USA | USA | 2010 Furnace Creek 508 | 47 | Two Tandem Mixed | FIN | 32:42:03 | 3 | ||
| Mustangs | Marlies | Radtke | F | Reno | Nevada | USA | USA | 2010 Furnace Creek 508 | 50 | Two Tandem Mixed | FIN | 32:42:03 | 3 | ||
| Mustangs | Patrick | Seely | M | Reno | Nevada | USA | USA | 2010 Furnace Creek 508 | 57 | Two Tandem Mixed | FIN | 32:42:03 | 3 | ||
| Mute Swan | Paul | McKenzie | M | Richmond | California | USA | USA | 2014 Silver State 508 | 59 | Tandem Mixed | FIN | 31:57:00 | 5 | HOF | |
| Mute Swan | Sarah | Schroer | F | Santa Rosa | California | USA | USA | 2014 Silver State 508 | 42 | Tandem Mixed | FIN | 31:57:00 | 1 | ||
| Naked Mole-Rat | Stan | Marks, Jr. | M | Phoeniz | Arizona | USA | USA | 2003 Furnace Creek 508 | 41 | Four Man | DQ | Rode at night without a vehicle on several occasions | |||
| Naked Mole-Rat | John | McDonnell | M | Poway | California | USA | USA | 2003 Furnace Creek 508 | 41 | Four Man | FIN | Rode at night without a vehicle on several occasions | 1 | ||
| Naked Mole-Rat | Don | Waagen | M | Tucson | Arizona | USA | USA | 2003 Furnace Creek 508 | 43 | Four Man | FIN | Rode at night without a vehicle on several occasions | 2 | ||
| Naked Mole-Rat | Joe | Wise-Gervais | M | New River | Arizona | USA | USA | 2003 Furnace Creek 508 | 36 | Four Man | FIN | Rode at night without a vehicle on several occasions | 1 | ||
| Nanook | Joan | Deitchman | F | Sunnyvale | California | USA | Canada | 2008 Furnace Creek 508 | 28 | Solo | FIN | 36:22:24 | 6 | HOF | |
| Nanook | Joan | Deitchman | F | Sunnyvale | California | USA | Canada | 2010 Furnace Creek 508 | 30 | Solo | FIN | 44:56:16 | 6 | HOF | |
| Nanosaurus | Stuart | Nibbelin | M | Texas | USA | USA | 1998 Furnace Creek 508 | 46 | Solo | DNF | 1 | ||||
| Nanosaurus | Stuart | Nibbelin | M | Frisco | Texas | USA | USA | 1999 Furnace Creek 508 | 47 | Solo | DNF | TS3 - stomach | 1 | ||
| Nanosaurus | Stuart | Nibbelin | M | Frisco | Texas | USA | USA | 2001 Furnace Creek 508 | 49 | Solo | FIN | 41:34:00 | 1 | ||
| Narwhal | Stéphane | Thery | M | Bourg la Reine | Île-de-France | France | France | 2009 Furnace Creek 508 | 54 | Solo | DNF | ||||
| Narwhal | Mark | Buntaine | M | Santa Barbara | California | USA | USA | 2025 The 508 | 44 | Solo | DNF | ||||
| Nautilus | Babak | Azad | M | Santa Monica | California | USA | USA | 2006 Furnace Creek 508 | 33 | Solo | FIN | 43:39:32 | 2 | ||
| Nematode | David | Nakai | M | Fallbrook | California | USA | USA | 2003 Furnace Creek 508 | 47 | Solo | FIN | 39:49:46 | 5 | HOF | |
| Nervous Tick | Brad | Bochart | M | Tempe | Arizona | USA | USA | 2012 Furnace Creek 508 | 43 | Four Man | FIN | 29:02:29 | 2 | ||
| Nervous Tick | Jeff | Henley | M | Glendora | California | USA | USA | 2012 Furnace Creek 508 | 42 | Four Man | FIN | 29:02:29 | 6 | HOF | |
| Nervous Tick | John | Hewitt | M | Alta Loma | California | USA | USA | 2012 Furnace Creek 508 | 50 | Four Man | FIN | 29:02:29 | 6 | HOF | |
| Nervous Tick | Rick | Reddell | M | Rancho Cucamonga | California | USA | USA | 2012 Furnace Creek 508 | 45 | Four Man | FIN | 29:02:29 | 6 | HOF | |
| Nervous Tick | Brad | Bochart | M | Tempe | Arizona | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 44 | Four Man | FIN | 20:32:00 | 2 | ||
| Nervous Tick | Jeff | Henley | M | Huntington Beach | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 43 | Four Man | FIN | 20:32:00 | 6 | HOF | |
| Nervous Tick | John | Hewitt | M | Alta Loma | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 51 | Four Man | FIN | 20:32:00 | 6 | HOF | |
| Nervous Tick | Rick | Reddell | M | Rancho Cucamonga | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 46 | Four Man | FIN | 20:32:00 | 6 | HOF | |
| Nervous Tick | James | Gallegos | M | Chino Hills | California | USA | USA | 2014 Silver State 508 | 38 | Four Man | FIN | 31:56:00 | 1 | ||
| Nervous Tick | Jeff | Henley | M | Huntington Beach | California | USA | USA | 2014 Silver State 508 | 44 | Four Man | FIN | 31:56:00 | 6 | HOF | |
| Nervous Tick | John | Hewitt | M | Alta Loma | California | USA | USA | 2014 Silver State 508 | 52 | Four Man | FIN | 31:56:00 | 6 | HOF | |
| Nervous Tick | Rick | Reddell | M | Rancho Cucamonga | California | USA | USA | 2014 Silver State 508 | 47 | Four Man | FIN | 31:56:00 | 6 | HOF | |
| Nervous Tick | Pete | Dewhurst | M | La Verne | California | USA | USA | 2015 Silver State 508 | 55 | Four Man | FIN | 28:31:16 | 1 | ||
| Nervous Tick | Jeff | Henley | M | Huntington Beach | California | USA | USA | 2015 Silver State 508 | 45 | Four Man | FIN | 28:31:16 | 6 | HOF | |
| Nervous Tick | John | Hewitt | M | Alta Loma | California | USA | USA | 2015 Silver State 508 | 53 | Four Man | FIN | 28:31:16 | 6 | HOF | |
| Nervous Tick | Rick | Reddell | M | Rancho Cucamonga | California | USA | USA | 2015 Silver State 508 | 47 | Four Man | FIN | 28:31:16 | 6 | HOF | |
| Nervous Tick | Jeff | Henley | M | Glendora | California | USA | USA | 2016 Silver State 508 | 46 | Four Man | FIN | 26:05:00 | 6 | HOF | |
| Nervous Tick | John | Hewitt | M | Rancho Cucamonga | California | USA | USA | 2016 Silver State 508 | 54 | Four Man | FIN | 26:05:00 | 6 | HOF | |
| Nervous Tick | Rick | Reddell | M | Rancho Cucamonga | California | USA | USA | 2016 Silver State 508 | 48 | Four Man | FIN | 26:05:00 | 6 | HOF | |
| Nervous Tick | Alex | Suchey | M | Rancho Cucamonga | California | USA | USA | 2016 Silver State 508 | 48 | Four Man | FIN | 26:05:00 | 1 | ||
| New Guinea Singing Dog | Sabrina | Jones | F | Central Point | Oregon | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 35 | Two Mixed Recumbent | DNF | ||||
| New Guinea Singing Dog | Dana | Lieberman | M | Valley Village | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 45 | Two Mixed Recumbent | DNF | 5 | HOF | ||
| Newfoundland | Michael | McHale | M | Sammamish | Washington | USA | USA | 2012 Furnace Creek 508 | 50 | Solo | DNF | ||||
| Newt | Erik | Nordensen | M | Concord | Massachusetts | USA | USA | 1993 Furnace Creek 508 | 53 | Solo | FIN | 46:38:17 | 3 | ||
| Newt | Erik | Nordensen | M | USA | USA | 1994 Furnace Creek 508 | 54 | Solo | FIN | 40:19:25 | 2nd solo finish | 3 | |||
| Newt | Erik | Nordensen | M | USA | USA | 1995 Furnace Creek 508 | 55 | Solo | DNF | 3 | |||||
| Newt | Erik | Nordensen | M | USA | USA | 1996 Furnace Creek 508 | 56 | Solo | FIN | 36:55:58 | 3rd Solo Finish | 3 | |||
| Night Crawlers | Karen | McGeough | F | San Jose | California | USA | USA | 2005 Furnace Creek 508 | 43 | Two Mixed | FIN | 34:16:58 | 1 | ||
| Night Crawlers | Michael | McGeough | M | San Jose | California | USA | USA | 2005 Furnace Creek 508 | 47 | Two Mixed | FIN | 34:16:58 | 1 | ||
| Night Eagle | Ken | Knutson | M | Tracy | California | USA | USA | 2001 Furnace Creek 508 | 52 | Solo | FIN | 47:41:00 | 2 | ||
| Night Eagle | Ken | Knutson | M | Tracy | California | USA | USA | 2002 Furnace Creek 508 | 53 | Solo | FIN | 46:25:58 | 2 | ||
| Night Eagle | Ken | Knutson | M | Tracy | California | USA | USA | 2003 Furnace Creek 508 | 54 | Solo | DNF | 2 | |||
| Night Fury | Ingolf | Micklisch | M | Cape Coral | Florida | USA | USA | 2023 Silver State 508 | N/A | Solo | DNF | 1 | |||
| night fury | Ingolf | Micklisch | M | Cape Coral | Florida | USA | USA | 2025 The 508 | 61 | Solo Randonneur | FIN | 42:19:21 | Null | 1 | |
| Night Owl | Barry | Martin | M | California | USA | USA | 1991 October Furnace Creek 508 | 39 | Solo | FIN | 44:16:08 | 5 | HOF | ||
| Night Owl | Barry | Martin | M | San Diego | California | USA | USA | 1992 Furnace Creek 508 | 40 | Solo | FIN | 43:48:36 | 2nd solo finish | 5 | HOF |
| Night Owl | Barry | Martin | M | San Diego | California | USA | USA | 2004 Furnace Creek 508 | 52 | Solo | FIN | 44:00:05 | 5 | HOF | |
| Nightingale | Don | Norwood | M | USA | USA | 1995 Furnace Creek 508 | 38 | Solo | FIN | 47:52:47 | 1 | ||||
| Nor-Cal Hellcats | David | Everhart | M | Hayward | California | USA | USA | 2012 Furnace Creek 508 | 52 | Four Man | FIN | 34:04:56 | 6 | HOF | |
| Nor-Cal Hellcats | Chris | Hopkins | M | Castro Valley | California | USA | USA | 2012 Furnace Creek 508 | 32 | Four Man | FIN | 34:04:56 | 6 | HOF | |
| Nor-Cal Hellcats | Gil | Hopkins | M | Castro Valley | California | USA | USA | 2012 Furnace Creek 508 | 56 | Four Man | FIN | 34:04:56 | 8 | HOF | |
| Nor-Cal Hellcats | Michael | Nagorka | M | Pleasanton | California | USA | Canada | 2012 Furnace Creek 508 | 52 | Four Man | FIN | 34:04:56 | 2 | ||
| Nor-Cal Hellcats | David | Everhart | M | Hayward | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 53 | Four Man | FIN | 24:18:00 | 6 | HOF | |
| Nor-Cal Hellcats | Chris | Hopkins | M | Castro Valley | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 33 | Four Man | FIN | 24:18:00 | 6 | HOF | |
| Nor-Cal Hellcats | Gil | Hopkins | M | Castro Valley | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 57 | Four Man | FIN | 24:18:00 | 8 | HOF | |
| Nor-Cal Hellcats | Michael | Nagorka | M | Pleasanton | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 53 | Four Man | FIN | 24:18:00 | 2 | ||
| Nor-Cal Hellcats | David | Everhart | M | Hayward | California | USA | USA | 2014 Silver State 508 | 54 | Four Man | FIN | 33:03:00 | 6 | HOF | |
| Nor-Cal Hellcats | Chris | Hopkins | M | Castro Valley | California | USA | USA | 2014 Silver State 508 | 34 | Four Man | FIN | 33:03:00 | 6 | HOF | |
| Nor-Cal Hellcats | Gil | Hopkins | M | Castro Valley | California | USA | USA | 2014 Silver State 508 | 58 | Four Man | FIN | 33:03:00 | 8 | HOF | |
| Nor-Cal Hellcats | Yvonne | Lopez | F | San Leandro | California | USA | USA | 2014 Silver State 508 | 46 | Four Man | FIN | 33:03:00 | 3 | ||
| Nor-Cal Hellcats | David | Everhart | M | Hayward | California | USA | USA | 2015 Silver State 508 | 54 | Four Man | FIN | 33:43:35 | 6 | HOF | |
| Nor-Cal Hellcats | Chris | Hopkins | M | Castro Valley | California | USA | USA | 2015 Silver State 508 | 35 | Four Man | FIN | 33:43:35 | 6 | HOF | |
| Nor-Cal Hellcats | Gil | Hopkins | M | Castro Valley | California | USA | USA | 2015 Silver State 508 | 59 | Four Man | FIN | 33:43:35 | 8 | HOF | |
| Nor-Cal Hellcats | Yvonne | Lopez | F | San Leandro | California | USA | USA | 2015 Silver State 508 | 47 | Four Man | FIN | 33:43:35 | 3 | ||
| Nor-Cal Hellcats | David | Everhart | M | Hayward | California | USA | USA | 2016 Silver State 508 | 55 | Four Man | FIN | 34:18:00 | 6 | HOF | |
| Nor-Cal Hellcats | Chris | Hopkins | M | Castro Valley | California | USA | USA | 2016 Silver State 508 | 36 | Four Man | FIN | 34:18:00 | 6 | HOF | |
| Nor-Cal Hellcats | Gil | Hopkins | M | Castro Valley | California | USA | USA | 2016 Silver State 508 | 60 | Four Man | FIN | 34:18:00 | 8 | HOF | |
| Nor-Cal Hellcats | Yvonne | Lopez | F | San Leandro | California | USA | USA | 2016 Silver State 508 | 48 | Four Man | FIN | 34:18:00 | 3 | ||
| Nor-Cal Hellcats | David | Everhart | M | Hayward | California | USA | USA | 2017 Silver State 508 | 56 | Four Man | FIN | 31:45:00 | 6 | HOF | |
| Nor-Cal Hellcats | Chris | Hopkins | M | Castro Valley | California | USA | USA | 2017 Silver State 508 | 47 | Four Man | FIN | 31:45:00 | 6 | HOF | |
| Nor-Cal Hellcats | Gil | Hopkins | M | Castro Valley | California | USA | USA | 2017 Silver State 508 | 61 | Four Man | FIN | 31:45:00 | 8 | HOF | |
| Nor-Cal Hellcats | Bruce | Lin | M | Berkeley | California | USA | USA | 2017 Silver State 508 | 47 | Four Man | FIN | 31:45:00 | 1 | ||
| Northern Shoveler | Michael | Svihura | M | Belmont | California | USA | Canada | 2011 Furnace Creek 508 | 47 | Solo | FIN | 37:55:29 | 6 | HOF | |
| Northern Shoveler | Michael | Svihura | M | Belmont | California | USA | USA | 2019 Silver State 508 | 55 | Solo | DNF | 6 | HOF | ||
| Northern Shoveler | Michael | Svihura | M | Menlo Park | California | USA | USA | 2022 Silver State 508 | 58 | Solo Randonneur | DNF | 6 | HOF | ||
| Northern Spring Peepers | Paul | Kingsbury | M | Elmira | New York | USA | USA | 2012 Furnace Creek 508 | 51 | Two Tandem Mixed | FIN | 33:15:44 | 5 | HOF | |
| Northern Spring Peepers | Jim | Ryan | M | Sammamish | Washington | USA | USA | 2012 Furnace Creek 508 | 51 | Two Tandem Mixed | FIN | 33:15:44 | 11 | HOF | |
| Northern Spring Peepers | Wanda | Tocci | F | Elmira | New York | USA | USA | 2012 Furnace Creek 508 | 52 | Two Tandem Mixed | FIN | 33:15:44 | 3 | ||
| Northern Spring Peepers | Jeannie | Tomkalski | F | Elmira | New York | USA | USA | 2012 Furnace Creek 508 | 51 | Two Tandem Mixed | FIN | 33:15:44 | 1 | ||
| Northern Spring Peepers | Paul | Kingsbury | M | Elmira | New York | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 52 | Two Tandem Mixed | FIN | 23:29:00 | 5 | HOF | |
| Northern Spring Peepers | Lorri Lee | Lown | F | Redwood City | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 48 | Two Tandem Mixed | FIN | 23:29:00 | 2 | ||
| Northern Spring Peepers | Jim | Ryan | M | Sammamish | Washington | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 52 | Two Tandem Mixed | FIN | 23:29:00 | 11 | HOF | |
| Northern Spring Peepers | Wanda | Tocci | F | Elmira | New York | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 52 | Two Tandem Mixed | FIN | 23:29:00 | 3 | ||
| Norwegian Blue | Mark | Gibson | M | Irvine | California | USA | USA | 2018 Silver State 508 | 55 | Solo | FIN | 30:15:30 | First Solo, First Male Solo, New 50+ solo record | 3 | |
| Norwegian Blue | Mark | Gibson | M | Irvine | California | USA | USA | 2019 Silver State 508 | 56 | Solo | FIN | 29:44:25 | 3 | ||
| Nudibranch | Patty | Riddle | F | La Jolla | California | USA | USA | 2006 Furnace Creek 508 | 58 | Solo | DNF | ||||
| Numbat | Alex | Irizari | M | Las Vegas | Nevada | USA | USA | 2006 Furnace Creek 508 | 49 | Two Man | FIN | 34:07:46 | 1 | ||
| Numbat | Jason | Landberg | M | Las Vegas | Nevada | USA | USA | 2006 Furnace Creek 508 | 34 | Two Man | FIN | 34:07:46 | 1 | ||
| Nutcrackers | Paul | Duren | M | San Jose | California | USA | USA | 2007 Furnace Creek 508 | 48 | Two Man | FIN | 29:51:49 | 2 | ||
| Nutcrackers | Joe | Farinha | M | San Jose | California | USA | Brazil | 2007 Furnace Creek 508 | 47 | Two Man | FIN | 29:51:49 | 2 | ||
| Nutcrackers | Joe | Farinha | M | San Jose | California | USA | Brazil | 2008 Furnace Creek 508 | 49 | Two Man | FIN | 29:17:48 | 2 | ||
| Nutcrackers | Gary | Franck | F | Morgan Hill | California | USA | USA | 2008 Furnace Creek 508 | 51 | Two Man | FIN | 29:17:48 | 1 | ||
| Nuthatch | Richard | Nelson | M | USA | USA | 1995 Furnace Creek 508 | 48 | Solo | DNF | ||||||
| Nutria | Mark | Newsome | M | Corvallis | Oregon | USA | USA | 2007 Furnace Creek 508 | 47 | Solo | FIN | 46:20:40 | 2 | ||
| Nyala | Bob | Thunselle | M | Casper | Wyoming | USA | USA | 2007 Furnace Creek 508 | 49 | Solo | FIN | 40:05:25 | 1 | ||
| Ocelot | Bob | Coble | M | USA | USA | 1998 Furnace Creek 508 | N/A | Four Mixed | FIN | 27:05:37 | 1 | ||||
| Ocelot | Emmy | Klassen | F | California | USA | USA | 1998 Furnace Creek 508 | 40 | Four Mixed | FIN | 27:05:37 | 5 | HOF | ||
| Ocelot | Bill | Palmer | M | California | USA | USA | 1998 Furnace Creek 508 | 41 | Four Mixed | FIN | 27:05:37 | 2 | |||
| Ocelot | Dana | Prieto | F | Redondo Beach | California | USA | USA | 1998 Furnace Creek 508 | 31 | Four Mixed | FIN | 27:05:37 | 1 | ||
| Octopus | Andrew | Otto | M | San Francisco | California | USA | USA | 2001 Furnace Creek 508 | 37 | Solo | DNF | 1 | |||
| Octopus | Andrew | Otto | M | San Francisco | California | USA | USA | 2002 Furnace Creek 508 | 38 | Solo | FIN | 33:42:56 | Pre. Qual. | 1 | |
| Octopus | Andrew | Otto | M | San Francisco | California | USA | USA | 2003 Furnace Creek 508 | 39 | Solo | DNF | 1 | |||
| Ogopogo | Stacey | Shand | F | Lumsden | Saskatchewan | Canada | Canada | 2016 Silver State 508 | 36 | Solo | FIN | 45:24:00 | 1 | ||
| Okapi | Thomas | Eller | M | Monument | Colorado | USA | USA | 2010 Furnace Creek 508 | 51 | Solo | DNF | ||||
| Old Fox | Othmar | Altmann | M | Villach | Austria | Austria | 2001 Furnace Creek 508 | 41 | Solo | FIN | 31:10:00 | RQ | 1 | ||
| Old Lions | James | Johnston | M | Omaha | Nebraska | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 56 | Four Man | FIN | 27:48:00 | 1 | ||
| Old Lions | Jef | Johnston | M | Gretna | Nebraska | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 60 | Four Man | FIN | 27:48:00 | 1 | ||
| Old Lions | John | Johnston | M | Culver City | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 63 | Four Man | FIN | 27:48:00 | 2 | ||
| Old Lions | Robert | Martzolff | M | Temecula | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 63 | Four Man | FIN | 27:48:00 | 2 | ||
| Old Yeller | Rene | Benitez | M | Nuevo | California | USA | USA | 2005 Furnace Creek 508 | 50 | Solo | FIN | 38:26:22 | 1 | ||
| Onager | Dan | Crain | M | Irvine | California | USA | USA | 2002 Furnace Creek 508 | 57 | Two Man | FIN | 29:37:56 | 7 | HOF | |
| Onager | Bill | Osborn | M | Carlsbad | California | USA | USA | 2002 Furnace Creek 508 | 31 | Two Man | FIN | 29:37:56 | 2 | ||
| Onager | Bill | Osborn | M | Escondido | California | USA | USA | 2010 Furnace Creek 508 | 40 | Two Man | FIN | 38:45:11 | 2 | ||
| Onager | Jon | Shellenbarger | M | Anaheim | California | USA | USA | 2010 Furnace Creek 508 | 38 | Two Man | FIN | 38:45:11 | 9 | HOF | |
| Onager | Bill | Osborn | M | Escondido | California | USA | USA | 2011 Furnace Creek 508 | 41 | Solo | DNF | 2 | |||
| Orange Cat | James | Norton | M | Sacramento | California | USA | USA | 2005 Furnace Creek 508 | 33 | Two Mixed | FIN | 32:40:54 | 1 | ||
| Orange Cat | Katie | Norton | F | Sacramento | California | USA | USA | 2005 Furnace Creek 508 | 32 | Two Mixed | FIN | 32:40:54 | 1 | ||
| Orange Chicken Adobo | Darwin | Embesan | M | Montclair | California | USA | USA | 2017 Silver State 508 | 35 | Solo | FIN | 46:03:00 | 2 | ||
| Orangutan | John | Oliver | M | USA | USA | 1993 Furnace Creek 508 | N/A | Solo | DNF | ||||||
| OrCa | Joe | Petersen | M | Bakersfield | California | USA | USA | 1998 Furnace Creek 508 | 40 | Tandem Men | DNF | 9 | HOF | ||
| OrCa | George | Thomas | M | USA | USA | 1998 Furnace Creek 508 | 35 | Tandem Men | DNF | 3 | |||||
| Oregon Sasquatch | Greg | Olson | M | Gresham | Oregon | USA | USA | 2009 Furnace Creek 508 | 62 | Solo | FIN | 47:25:14 | Final Finisher! | 1 | |
| Oregon Sasquatch | Greg | Olson | M | Gresham | Oregon | USA | USA | 2010 Furnace Creek 508 | 63 | Solo | DNF | 1 | |||
| Oriole | Mike | Kloppel | M | Washington | USA | USA | 1996 Furnace Creek 508 | N/A | Tandem Men | DNF | |||||
| Oriole | George | Thomas | M | USA | USA | 1996 Furnace Creek 508 | 33 | Tandem Men | DNF | 3 | |||||
| Orthros | Karta | Atehortua | M | Palo Alto | California | USA | USA | 2008 Furnace Creek 508 | 32 | Two Man Recumbent | FIN | 28:14:56 | 2 | ||
| Orthros | James | Kern | M | Sunnyvale | California | USA | USA | 2008 Furnace Creek 508 | 50 | Two Man Recumbent | FIN | 28:14:56 | 4 | ||
| Oryx | Joshua S. | Friedman | M | Los Angeles | California | USA | USA | 2007 Furnace Creek 508 | 51 | Four Man | FIN | 35:36:11 | 1 | ||
| Oryx | David | Garaffa | M | Snowmass Village | Colorado | USA | Italy | 2007 Furnace Creek 508 | 38 | Four Man | FIN | 35:36:11 | 1 | ||
| Oryx | Timothy S. | Pasik | M | New York | New York | USA | USA | 2007 Furnace Creek 508 | 47 | Four Man | FIN | 35:36:11 | 1 | ||
| Oryx | Nathan | Sandler | M | Los Angeles | California | USA | USA | 2007 Furnace Creek 508 | 46 | Four Man | FIN | 35:36:11 | 1 | ||
| Oso Loco | Sean | O hIarnain | M | Banyoles | Girona | Spain | Ireland | 2012 Furnace Creek 508 | 32 | Solo | DNF | ||||
| Osprey | Janet | Christiansen | F | Poway | California | USA | USA | 2003 Furnace Creek 508 | 42 | Solo | FIN | 37:51:07 | 4 | ||
| Osprey | Janet | Christiansen | F | Palm Springs | California | USA | USA | 2004 Furnace Creek 508 | 43 | Solo | FIN | 35:36:24 | 4 | ||
| Osprey | Janet | Christiansen | F | San Diego | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 52 | Solo | FIN | 24:17:00 | 4 | ||
| Ostrich | Eric | Ostendorff | M | Torrance | California | USA | USA | 2001 Furnace Creek 508 | 40 | Solo | FIN | 32:34:00 | RQ | 3 | |
| Ostrich | Eric | Ostendorff | M | Torrance | California | USA | USA | 2002 Furnace Creek 508 | 41 | Solo | FIN | 31:14:11 | Pre. Qual. | 3 | |
| Ostrich | Eric | Ostendorff | M | Torrance | California | USA | USA | 2003 Furnace Creek 508 | 42 | Solo | FIN | 31:38:39 | 3 | ||
| Ostrich | Eric | Ostendorff | M | Torrance | California | USA | USA | 2004 Furnace Creek 508 | 43 | Solo | DNF | 3 | |||
| Otter | Drew | Olewnick | M | USA | USA | 1997 Furnace Creek 508 | 37 | Solo | FIN | 43:56:00 | RAAM Qualifier | 1 | |||
| Outback Wombat | Tony | Klaich | M | Chicago | Illinois | USA | USA | 2009 Furnace Creek 508 | 39 | Two Man | FIN | 34:11:31 | 1 | ||
| Outback Wombat | Scott | Swaney | M | Littleton | Colorado | USA | USA | 2009 Furnace Creek 508 | 41 | Two Man | FIN | 34:11:31 | 1 | ||
| Owl Be Back | Dzung | Dang | M | San Jose | California | USA | USA | 2021 Silver State 508 | 60 | Four Man Open | FIN | 32:53:05 | 5 | HOF | |
| Owl Be Back | Stefan | Hoang | M | San Jose | California | USA | USA | 2021 Silver State 508 | 57 | Four Man Open | FIN | 32:53:05 | 1 | ||
| Owl Be Back | James | Scanlan | M | San Francisco | California | USA | USA | 2021 Silver State 508 | 52 | Four Man Open | FIN | 32:53:05 | 1 | ||
| Owl Be Back | Paul | Vlasveld | M | San Jose | California | USA | USA | 2021 Silver State 508 | 62 | Four Man Open | FIN | 32:53:05 | 13 | HOF | |
| Owl Be Back | Brian | Chun | M | Cupertino | California | USA | USA | 2022 Silver State 508 | N/A | Four Man | FIN | 32:16:00 | 1 | ||
| Owl Be Back | Roland | Ng | M | Santa Clara | California | USA | USA | 2022 Silver State 508 | N/A | Four Man | FIN | 32:16:00 | 1 | ||
| Owl Be Back | Nancy | Russell | F | San Rafael | California | USA | USA | 2022 Silver State 508 | 67 | Four Man | FIN | 32:16:00 | 1 | ||
| Owl Be Back | Memo | Santoyo | M | La Crescenta | California | USA | USA | 2022 Silver State 508 | 49 | Four Man | FIN | 32:16:00 | 2 | ||
| Ox | Boris Sørgaar | Hansen | M | Sørborg | Denmark | Denmark | Denmark | 2007 Furnace Creek 508 | 33 | Two Man | FIN | 30:00:12 | 2 | ||
| Ox | Hans Anton | Nygaard | M | Copenhagen | Denmark | Denmark | Denmark | 2007 Furnace Creek 508 | 31 | Two Man | FIN | 30:00:12 | 2 | ||
| Ox | Boris Sørgaar | Hansen | M | Søborg | Denmark | Denmark | Denmark | 2008 Furnace Creek 508 | 34 | Two Man | FIN | 26:53:29 | 2 | ||
| Ox | Hans Anton | Nygaard | M | Copenhagen | Denmark | Denmark | Denmark | 2008 Furnace Creek 508 | 33 | Two Man | FIN | 26:53:29 | 2 | ||
| Oyster | Erik J. | Wochna | M | Northridge | California | USA | USA | 2004 Furnace Creek 508 | 25 | Solo | FIN | 40:21:04 | 1 | ||
| PAC Rats | Victor | Gallo | M | Boulder | Colorado | USA | USA | 2007 Furnace Creek 508 | 75 | Four Man | FIN | 43:15:25 | 1 | ||
| PAC Rats | Robert E. | Kash | M | Monroe | Ohio | USA | USA | 2007 Furnace Creek 508 | 73 | Four Man | FIN | 43:15:25 | 1 | ||
| PAC Rats | Joseph F. | Smith | M | Williamsville | New York | USA | USA | 2007 Furnace Creek 508 | 62 | Four Man | FIN | 43:15:25 | 1 | ||
| Painted Turtle | Kevin | Bilbee | M | Apple Valley | California | USA | USA | 2018 Silver State 508 | 51 | Solo Randonneur | FIN | 38:22:16 | 2 | ||
| Painted Turtle | Kevin | Bilbee | M | Apple Valley | California | USA | USA | 2019 Silver State 508 | 52 | Solo Randonneur | FIN | 35:40:40 | 2 | ||
| Pair O Ducks | Chris | Lindensmith | M | Altadena | California | USA | USA | 2011 Furnace Creek 508 | 45 | Two Mixed Fixed Gear | FIN | 32:54:09 | 1 | ||
| Pair O Ducks | Jay | Nadeau | F | Altadena | California | USA | USA | 2011 Furnace Creek 508 | 40 | Two Mixed Fixed Gear | FIN | 32:54:09 | 3 | ||
| Pancake Tortoise | Jim | Ryan | M | Sammamish | Washington | USA | USA | 2008 Furnace Creek 508 | 47 | Solo | FIN | 35:26:58 | 11 | HOF | |
| Pancake Tortoise | Jim | Ryan | M | Sammamish | Washington | USA | USA | 2009 Furnace Creek 508 | 48 | Solo | FIN | 39:31:01 | 11 | HOF | |
| Pancake Tortoise | Jim | Ryan | M | Sammamish | Washington | USA | USA | 2010 Furnace Creek 508 | 49 | Solo | FIN | 36:20:48 | 11 | HOF | |
| Pancake Tortoise | Jim | Ryan | M | Sammamish | Washington | USA | USA | 2011 Furnace Creek 508 | 50 | Solo | FIN | 36:31:41 | 11 | HOF | |
| Panda | Justin | Peschka | M | Chandler | Arizona | USA | USA | 1996 Furnace Creek 508 | 21 | Solo | FIN | 30:55:39 | 4 | ||
| Panda | Justin | Peschka | M | Chandler | Arizona | USA | USA | 1997 Furnace Creek 508 | 22 | Solo | FIN | 28:42:02 | Course Record: 20+, 2nd solo finish | 4 | |
| Panda | Justin | Peschka | M | Chandler | Arizona | USA | USA | 1999 Furnace Creek 508 | 24 | Solo | FIN | 30:06:25 | 4 | ||
| Panda | Justin | Peschka | M | Chandler | Arizona | USA | USA | 2001 Furnace Creek 508 | 26 | Solo | DNF | 4 | |||
| Panda Goat | Dan | McGehee | M | Mesa | Arizona | USA | USA | 2008 Furnace Creek 508 | 46 | Two Man | FIN | 26:06:22 | 4 | ||
| Panda Goat | Justin | Peschka | M | Tucson | Arizona | USA | USA | 2008 Furnace Creek 508 | 33 | Two Man | FIN | 26:06:22 | 4 | ||
| Panda Rojo | Roehl | Caragao | M | Fresno | California | USA | USA | 2021 Silver State 508 | 58 | Two Man Open | FIN | 29:36:30 | 60+ 2X MEN OPEN RECORD | 18 | HOF |
| Panda Rojo | John | Seeley | M | San Diego | California | USA | USA | 2021 Silver State 508 | 62 | Two Man Open | FIN | 29:36:30 | 60+ 2X MEN OPEN RECORD | 1 | |
| PANDAY | Arvin | Mendoza | M | Rancho cucamonga | California | USA | USA | 2025 The 508 | 49 | Solo | FIN | 45:35:54 | Null | 1 | |
| Panther | Mark | Patten | M | San Jose | California | USA | USA | 1994 Furnace Creek 508 | 34 | Solo | FIN | 38:44:47 | 6 | HOF | |
| Panther | Mark | Patten | M | San Jose | California | USA | USA | 1998 Furnace Creek 508 | 38 | Solo | FIN | 37:01:15 | 3rd Solo Finish | 6 | HOF |
| Panther | Mark | Patten | M | San Jose | California | USA | USA | 2001 Furnace Creek 508 | 41 | Solo | FIN | 33:01:00 | PR; 4th solo finish | 6 | HOF |
| Panther | Mark | Patten | M | San Jose | California | USA | USA | 2002 Furnace Creek 508 | 42 | Solo | FIN | 33:07:12 | Pre. Qual. | 6 | HOF |
| Parrot | Jeff | Bauer | M | Nashville | Tennessee | USA | USA | 2004 Furnace Creek 508 | 44 | Solo Fixed Gear | FIN | 44:01:00 | 1 | ||
| Peacock | Skip | Hamilton | M | Colorado | USA | USA | 1995 Furnace Creek 508 | 50 | Four Man | FIN | 23:07:58 | Course Record: Open Format | 1 | ||
| Peacock | Fred | Matheny | M | Colorado | USA | USA | 1995 Furnace Creek 508 | 50 | Four Man | FIN | 23:07:58 | Course Record: Open Format | 1 | ||
| Peacock | Ed | Pavelka | M | USA | USA | 1995 Furnace Creek 508 | 49 | Four Man | FIN | 23:07:58 | Course Record: Open Format | 1 | |||
| Peacock | Pete | Penseyres | M | Fallbrook | California | USA | USA | 1995 Furnace Creek 508 | 52 | Four Man | FIN | 23:07:58 | Course Record: Open Format | 3 | |
| Pegasus | Joe | Petersen | M | Bakersfield | California | USA | USA | 1999 Furnace Creek 508 | 41 | Tandem Mixed | DNF | TS3 - stomach | 9 | HOF | |
| Pegasus | Tina | Petersen | F | Bakersfield | California | USA | USA | 1999 Furnace Creek 508 | 40 | Tandem Mixed | DNF | TS3 - stomach | 1 | ||
| Pegasus | Joe | Petersen | M | Bakersfield | California | USA | USA | 2003 Furnace Creek 508 | 45 | Two Mixed | FIN | 29:04:19 | Course Record! | 9 | HOF |
| Pegasus | Tina | Petersen | F | Bakersfield | California | USA | USA | 2003 Furnace Creek 508 | 44 | Two Mixed | FIN | 29:04:19 | Course Record! | 1 | |
| Pekingese | Jeffrey | Bonk | M | Sioux Falls | South Dakota | USA | USA | 2007 Furnace Creek 508 | 29 | Solo | FIN | 47:40:33 | Final Finisher! | 2 | |
| Pekingese | Jeffrey | Bonk | M | Sioux Falls | South Dakota | USA | USA | 2008 Furnace Creek 508 | 30 | Solo | FIN | 44:46:43 | 2 | ||
| Pelican | Emmy | Klassen | F | California | USA | USA | 2001 Furnace Creek 508 | 42 | Two Mixed | FIN | 30:28:00 | course record | 5 | HOF | |
| Pelican | Bill | Palmer | M | Ojai | California | USA | USA | 2001 Furnace Creek 508 | 44 | Two Mixed | FIN | 30:28:00 | course record | 2 | |
| Penguin | Peter | Pop | M | Malibu | California | USA | USA | 1995 Furnace Creek 508 | 46 | Solo | FIN | 30:24:45 | 8 | HOF | |
| Penguin | Peter | Pop | M | Malibu | California | USA | USA | 1996 Furnace Creek 508 | 47 | Solo | FIN | 30:08:58 | 2nd solo finish | 8 | HOF |
| Penguin | Peter | Pop | M | Malibu | California | USA | USA | 1997 Furnace Creek 508 | 48 | Solo | FIN | 34:14:21 | 3rd solo finish | 8 | HOF |
| Penguin | Peter | Pop | M | Malibu | California | USA | USA | 1998 Furnace Creek 508 | 49 | Solo | FIN | 35:30:55 | 4th solo finish | 8 | HOF |
| Penguin | Peter | Pop | M | Malibu | California | USA | USA | 2000 Furnace Creek 508 | 51 | Solo | FIN | 34:50:30 | 8 | HOF | |
| Penguin | Peter | Pop | M | Malibu | California | USA | USA | 2001 Furnace Creek 508 | 52 | Solo | FIN | 35:32:00 | 6th solo finish | 8 | HOF |
| Penguin | Peter | Pop | M | Malibu | California | USA | USA | 2004 Furnace Creek 508 | 55 | Solo | FIN | 39:28:20 | 8 | HOF | |
| Peregrine Falcon | Jason | Turner | M | Austin | Texas | USA | USA | 2004 Furnace Creek 508 | 29 | Solo | DNF | ||||
| Persian Onager | Tonya | Bray | F | Altadena | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 40 | Two Mixed | FIN | 23:23:00 | 1 | ||
| Persian Onager | Noah | Kanter | M | berkeley | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 44 | Two Mixed | FIN | 23:23:00 | 1 | ||
| Pheasant | Greg | Pressler | M | Portland | Oregon | USA | USA | 2011 Furnace Creek 508 | 44 | Solo | FIN | 42:18:56 | 1 | ||
| Philippine Rabbit | Erwin | Yumang | M | Corona | California | USA | USA | 2021 Silver State 508 | 46 | Solo | DNF | 1 | |||
| Philippine Rabbit | Erwin | Yumang | M | Corona | California | USA | USA | 2022 Silver State 508 | 47 | Solo | FIN | 47:22:00 | 1 | ||
| Phoenix | Kevin | Zelenka | M | Truth or Consequences | New Mexico | USA | USA | 2002 Furnace Creek 508 | 45 | Solo | DNF | 1 | |||
| Phoenix | Michael | Hanes | M | Limerick | Massachusetts | USA | USA | 2010 Furnace Creek 508 | 28 | Two Man | FIN | 40:36:52 | 2 | ||
| Phoenix | Steve | Hanes | M | Westfield | Pennsylvania | USA | USA | 2010 Furnace Creek 508 | 54 | Two Man | FIN | 40:36:52 | 1 | ||
| Phoenix | Michael | Hanes | M | Limerick | Massachusetts | USA | USA | 2011 Furnace Creek 508 | 29 | Solo | FIN | 39:47:00 | 2 | ||
| Picachu | Francis-marlon | Ignacio | M | Duarte | California | USA | USA | 2006 Furnace Creek 508 | 39 | Solo | FIN | 43:10:33 | 6 | HOF | |
| Picachu | Francis-marlon | Ignacio | M | Duarte | California | USA | USA | 2007 Furnace Creek 508 | 40 | Solo | DNF | 6 | HOF | ||
| Picachu | Francis-marlon | Ignacio | M | Duarte | California | USA | USA | 2008 Furnace Creek 508 | 41 | Solo | FIN | 42:09:28 | 6 | HOF | |
| Picachu | Francis-marlon | Ignacio | M | Duarte | California | USA | USA | 2009 Furnace Creek 508 | 42 | Solo | DNF | 6 | HOF | ||
| Picachu | Francis-marlon | Ignacio | M | Duarte | California | USA | USA | 2010 Furnace Creek 508 | 43 | Solo | FIN | 43:55:51 | 6 | HOF | |
| Picachu | Francis-marlon | Ignacio | M | Duarte | California | USA | Philippines | 2011 Furnace Creek 508 | 44 | Solo | FIN | 40:39:04 | 6 | HOF | |
| Picachu | Francis-marlon | Ignacio | M | duarte | California | USA | USA | 2012 Furnace Creek 508 | 45 | Solo | FIN | 42:39:55 | 6 | HOF | |
| Picachu | Francis-marlon | Ignacio | M | duarte | California | USA | USA | 2019 Silver State 508 | 52 | Solo | DNF | 6 | HOF | ||
| Pickled Herring | Anna Catharina | Berge | F | Pullman | Washington | USA | Sweden | 2007 Furnace Creek 508 | 41 | Two Mixed | FIN | 27:34:29 | 6 | HOF | |
| Pickled Herring | Jan | Christiansen | M | Stockholm | Sweden | Denmark | 2007 Furnace Creek 508 | 40 | Two Mixed | FIN | 27:34:29 | 1 | |||
| Piglet | Robert | Pogorelz | M | Ft. Morgan | Colorado | USA | USA | 1999 Furnace Creek 508 | 44 | Solo | DNF | TS4 - body shut down | 2 | ||
| Piglet | Robert | Pogorelz | M | Ft. Morgan | Colorado | USA | USA | 2000 Furnace Creek 508 | 45 | Solo | DNF | 2 | |||
| Piglet | Robert | Pogorelz | M | Fort Morgan | Colorado | USA | USA | 2001 Furnace Creek 508 | 46 | Solo | FIN | 44:50:00 | 2 | ||
| Piglet | Robert | Pogorelz | M | Fort Morgan | Colorado | USA | USA | 2002 Furnace Creek 508 | 47 | Solo | FIN | 45:01:20 | 2 | ||
| Pika | Cathy | Cramer | F | La Veta | Colorado | USA | USA | 2010 Furnace Creek 508 | 46 | Solo | FIN | 45:54:59 | 2 | ||
| Pika | Jenifer | Boyce | F | Portland | Oregon | USA | USA | 2012 Furnace Creek 508 | 48 | Four Woman | FIN | 35:14:28 | 1 | ||
| Pika | Cathy | Cramer | F | La Veta | Colorado | USA | USA | 2012 Furnace Creek 508 | 48 | Four Woman | FIN | 35:14:28 | 2 | ||
| Pika | Catherine | Shenk | F | Boulder | Colorado | USA | USA | 2012 Furnace Creek 508 | 53 | Four Woman | FIN | 35:14:28 | 1 | ||
| Pika | Abi | Spring | F | Portland | Oregon | USA | USA | 2012 Furnace Creek 508 | 49 | Four Woman | FIN | 35:14:28 | 1 | ||
| Pileated Woodpecker | Tim | Marks | M | Andover | Minnesota | USA | USA | 2010 Furnace Creek 508 | 51 | Solo | FIN | 44:09:38 | 6 | HOF | |
| Pileated Woodpecker | Tim | Marks | M | Andover | Minnesota | USA | USA | 2011 Furnace Creek 508 | 52 | Solo | FIN | 42:07:42 | 6 | HOF | |
| Pileated Woodpecker | Tim | Marks | M | Andover | Minnesota | USA | USA | 2012 Furnace Creek 508 | 53 | Solo | FIN | 40:16:39 | 6 | HOF | |
| Pileated Woodpecker | Tim | Marks | M | Andover | Minnesota | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 54 | Solo | FIN | 26:26:00 | 6 | HOF | |
| Pileated Woodpecker | Tim | Marks | M | Andover | Minnesota | USA | USA | 2014 Silver State 508 | 55 | Solo | FIN | 40:14:00 | 6 | HOF | |
| Pine Martens | Andrea | Alfaro | F | San Diego | California | USA | USA | 2011 Furnace Creek 508 | 41 | Four Woman | FIN | 32:05:22 | 1 | ||
| Pine Martens | Josephine | Allen | F | San Diego | California | USA | United Kingdom | 2011 Furnace Creek 508 | 35 | Four Woman | FIN | 32:05:22 | 1 | ||
| Pine Martens | Ginger | Crutchfield | F | San Diego | California | USA | USA | 2011 Furnace Creek 508 | 49 | Four Woman | FIN | 32:05:22 | 2 | ||
| Pine Martens | Jill | DeFratis-Robinson | F | Spring Valley | California | USA | USA | 2011 Furnace Creek 508 | 37 | Four Woman | FIN | 32:05:22 | 3 | ||
| Pine Martens | Doris | Asombrado | F | San Diego | California | USA | USA | 2012 Furnace Creek 508 | 47 | Four Woman | FIN | 35:18:43 | 1 | ||
| Pine Martens | Ginger | Crutchfield | F | San Diego | California | USA | USA | 2012 Furnace Creek 508 | 50 | Four Woman | FIN | 35:18:43 | 2 | ||
| Pine Martens | Jill | DeFratis-Robinson | F | San Diego | California | USA | USA | 2012 Furnace Creek 508 | 38 | Four Woman | FIN | 35:18:43 | 3 | ||
| Pine Martens | Lori | Goldman | F | San Diego | California | USA | USA | 2012 Furnace Creek 508 | 50 | Four Woman | FIN | 35:18:43 | 1 | ||
| Pine Martens | Jill | DeFratis-Robinson | F | San Diego | California | USA | USA | 2014 Silver State 508 | 40 | Two Woman | FIN | 36:36:00 | 3 | ||
| Pine Martens | Jodie | Lawston | F | Carlsbad | California | USA | USA | 2014 Silver State 508 | 37 | Two Woman | FIN | 36:36:00 | 1 | ||
| Pink Fairy Armadillo | Paul | Tourkin | M | San Diego | California | USA | 2014 Trona 308 | 51 | Solo Randonneur | FIN | 27:08:00 | 3 | |||
| Pink Fairy Armadillo | Paul | Tourkin | M | San Diego | California | USA | USA | 2014 Silver State 508 | 51 | Solo | FIN | 43:31:00 | 3 | ||
| Pink Fairy Armadillo | Paul | Tourkin | M | San Diego | California | USA | USA | 2015 Silver State 508 | 52 | Solo Randonneur | FIN | 46:16:55 | 3 | ||
| Pink Fairy Armadillo | Paul | Tourkin | M | San Diego | California | USA | USA | 2016 Silver State 508 | 53 | Solo Randonneur | DNF | 3 | |||
| Pink Fairy Armadillo | Paul | Tourkin | M | San Diego | California | USA | USA | 2017 Silver State 508 | 54 | Solo | DNF | 3 | |||
| Pink Panther | Richard | Dones | M | Cerritos | California | USA | Philippines | 2015 Silver State 508 | 42 | Solo | FIN | 45:06:05 | 2 | ||
| Pipit | Pete | Primavera | M | Duarte | California | USA | USA | 2020 Silver State 508 | 60 | Solo | DNF | 1 | |||
| Piranha | Carl | Poppe | M | Sebastopol | California | USA | USA | 2002 Furnace Creek 508 | 36 | Solo | FIN | 36:58:11 | New Qual. | 1 | |
| Piranha | Carl | Poppe | M | Sebastopol | California | USA | USA | 2003 Furnace Creek 508 | 37 | Solo | DNF | 1 | |||
| Pirate Fish | Bill | Spaeth | M | Arcata | California | USA | USA | 2012 Furnace Creek 508 | 52 | Solo Recumbent | FIN | 41:18:03 | 3 | ||
| Pitsnake | Cindi | Staiger | F | Santa Monica | California | USA | USA | April 1987 RAAM Open West | 34 | Solo | FIN | 43:15:00 | 4 | ||
| Pitsnake | Mark | Patten | M | San Jose | California | USA | USA | 1996 Furnace Creek 508 | 36 | Tandem Mixed | FIN | 32:58:12 | Course Record, 2nd solo finish | 6 | HOF |
| Pitsnake | Cindi | Staiger | F | San Jose | California | USA | USA | 1996 Furnace Creek 508 | 44 | Tandem Mixed | FIN | 32:58:12 | Course Record, 2nd solo finish | 4 | |
| Pizote | Marvin | Cerdas | M | Mercedes Norte | Heredia | Costa Rica | Costa Rica | 2018 Silver State 508 | 50 | Solo | FIN | 47:22:10 | 2 | ||
| Pizote | Marvin | Cerdas | M | Mercedes Norte | Heredia | Costa Rica | Costa Rica | 2019 Silver State 508 | 51 | Solo | FIN | 43:06:16 | 2 | ||
| Platypus | Noah | Dowell | M | Los Angeles | California | USA | USA | 2006 Furnace Creek 508 | 28 | Two Man | FIN | 28:16:00 | 1 | ||
| Platypus | John | Heiss | M | Los Angeles | California | USA | USA | 2006 Furnace Creek 508 | 26 | Two Man | FIN | 28:16:00 | 1 | ||
| Pocket Gopher | Gary | Baierl | M | Lake Forest | California | USA | USA | 2016 Silver State 508 | 48 | Four Man Recumbent | FIN | 35:57:00 | 12 | HOF | |
| Pocket Gopher | Andre | Goeritz | M | Los Angeles | California | USA | Germany | 2016 Silver State 508 | 48 | Four Man Recumbent | FIN | 35:57:00 | 1 | ||
| Pocket Gopher | Dana | Lieberman | M | Valley Village | California | USA | USA | 2016 Silver State 508 | 48 | Four Man Recumbent | FIN | 35:57:00 | 5 | HOF | |
| Pocket Gopher | Jim | Ryan | M | Sammamish | Washington | USA | USA | 2016 Silver State 508 | 55 | Four Man Recumbent | FIN | 35:57:00 | 11 | HOF | |
| Polar Bear | Brian | Bowling | M | Laguna Niguel | California | USA | USA | 2002 Furnace Creek 508 | 28 | Four Man | FIN | 27:01:35 | 1 | ||
| Polar Bear | Doug | Patterson | M | Orange | California | USA | USA | 2002 Furnace Creek 508 | 42 | Four Man | FIN | 27:01:35 | 6 | HOF | |
| Polar Bear | Tony | Rodriguez | M | Victorville | California | USA | USA | 2002 Furnace Creek 508 | 45 | Four Man | FIN | 27:01:35 | 1 | ||
| Polar Bear | Herb Spike | Summers | M | Burbank | California | USA | USA | 2002 Furnace Creek 508 | 53 | Four Man | FIN | 27:01:35 | 1 | ||
| Polar Bear | Doug | Patterson | M | Orange | California | USA | USA | 2005 Furnace Creek 508 | 45 | Solo | FIN | 40:25:26 | 6 | HOF | |
| Polar Bear | Doug | Patterson | M | Orange | California | USA | USA | 2007 Furnace Creek 508 | 47 | Solo | FIN | 35:20:40 | 6 | HOF | |
| Polar Bear | Doug | Patterson | M | Orange | California | USA | USA | 2010 Furnace Creek 508 | 50 | Solo | DNF | 6 | HOF | ||
| Polecat | Greg | Page | M | Downey | California | USA | USA | 1998 Furnace Creek 508 | 35 | Solo | FIN | 47:13:45 | 7 | HOF | |
| Polecat | Greg | Page | M | Downey | California | USA | USA | 2002 Furnace Creek 508 | 39 | Solo | FIN | 46:54:57 | 7 | HOF | |
| Polecat | Greg | Page | M | Downey | California | USA | USA | 2024 Silver State 508 | N/A | Solo | FIN | 40:17:15 | 7 | HOF | |
| Poloka Lana | Liesel | Lemay | F | Alta Loma | California | USA | USA | 2012 Furnace Creek 508 | 47 | Four Mixed | FIN | 32:59:43 | 1 | ||
| Poloka Lana | Sherry | Newsham | F | Encinitas | California | USA | USA | 2012 Furnace Creek 508 | 64 | Four Mixed | FIN | 32:59:43 | 3 | ||
| Poloka Lana | Dave | Ruby | M | La Verne | California | USA | USA | 2012 Furnace Creek 508 | 53 | Four Mixed | FIN | 32:59:43 | 1 | ||
| Poloka Lana | Jodi | Ruby | F | La Verne | California | USA | USA | 2012 Furnace Creek 508 | 50 | Four Mixed | FIN | 32:59:43 | 1 | ||
| Poodle | Joe | Petersen | M | Bakersfield | California | USA | USA | 2002 Furnace Creek 508 | 44 | Four Man | FIN | 26:44:00 | 9 | HOF | |
| Poodle | Peter | Pop | M | Malibu | California | USA | USA | 2002 Furnace Creek 508 | 53 | Four Man | FIN | 26:44:00 | 8 | HOF | |
| Poodle | Tim | Skipper | M | Castaic | California | USA | USA | 2002 Furnace Creek 508 | 45 | Four Man | FIN | 26:44:00 | 8 | HOF | |
| Poodle | Doug | Sloan | M | Fresno | California | USA | USA | 2002 Furnace Creek 508 | 42 | Four Man | FIN | 26:44:00 | 4 | ||
| Pooh Bear | Laurie | Kostman | F | Oak Park | California | USA | USA | 2003 Furnace Creek 508 | 36 | Solo | HON | ||||
| Porcupine | Carl | Funk | M | Arlington | Texas | USA | USA | 2002 Furnace Creek 508 | 33 | Solo | DNF | ||||
| Pork Fish | Jon | Powell | M | Bryn Mawr | Pennsylvania | USA | USA | 2008 Furnace Creek 508 | 51 | Solo | FIN | 41:46:55 | 1 | ||
| Porpoise | Thomas | Fennell | M | Ojai | California | USA | USA | 1995 Furnace Creek 508 | N/A | Four Mixed | FIN | 29:54:40 | 1 | ||
| Porpoise | Teresa | Scarborough | F | California | USA | USA | 1995 Furnace Creek 508 | N/A | Four Mixed | FIN | 29:54:40 | 1 | |||
| Porpoise | Robert | Stone | M | Oak View | California | USA | USA | 1995 Furnace Creek 508 | N/A | Four Mixed | FIN | 29:54:40 | 2 | ||
| Porpoise | Rosemary | Stone | F | Oak View | California | USA | USA | 1995 Furnace Creek 508 | N/A | Four Mixed | FIN | 29:54:40 | 2 | ||
| Porpoise | Traci | David | F | Ojai | California | USA | USA | 1996 Furnace Creek 508 | N/A | Four Mixed | FIN | 28:55:45 | 2nd team finish | 1 | |
| Porpoise | Pablo | Fennell | M | Ojai | California | USA | USA | 1996 Furnace Creek 508 | N/A | Four Mixed | FIN | 28:55:45 | 2nd team finish | 1 | |
| Porpoise | Robert | Stone | M | Oak View | California | USA | USA | 1996 Furnace Creek 508 | N/A | Four Mixed | FIN | 28:55:45 | 2nd team finish | 2 | |
| Porpoise | Rosemary | Stone | F | Oak View | California | USA | USA | 1996 Furnace Creek 508 | N/A | Four Mixed | FIN | 28:55:45 | 2nd team finish | 2 | |
| Portuguese Man-O-War | Lauren | Fithian | F | Minneapolis | Minnesota | USA | USA | 2006 Furnace Creek 508 | 48 | Solo | DNF | ||||
| Poulaki | Tracy | Fisher | F | Henderson | Nevada | USA | 2020 Silver State 508 | 53 | Four Mixed | FIN | 33:26:31 | 5 | HOF | ||
| Poulaki | Ed | Hladek | M | Las Vegas | Nevada | USA | USA | 2020 Silver State 508 | 55 | Four Mixed | FIN | 33:26:31 | 11 | HOF | |
| Poulaki | Erik | Skramstad | M | Boulder City | Nevada | USA | USA | 2020 Silver State 508 | 42 | Four Mixed | FIN | 33:26:31 | 8 | HOF | |
| Poulaki | Shannon | Weldon | F | Henderson | Nevada | USA | USA | 2020 Silver State 508 | 50 | Four Mixed | FIN | 33:26:31 | 2 | ||
| Pound Puppy | Vinnie | Tortorich | M | Beverly Hills | California | USA | USA | 2006 Furnace Creek 508 | 44 | Solo | DNF | 2 | |||
| Pound Puppy | Vinnie | Tortorich | M | Beverly Hills | California | USA | USA | 2008 Furnace Creek 508 | 46 | Solo | FIN | 33:46:47 | 2 | ||
| Pound Puppy | Vinnie | Tortorich | M | Beverly Hills | California | USA | USA | 2009 Furnace Creek 508 | 47 | Solo | DNF | 2 | |||
| Pound Puppy | Christina | DeRonde | F | Calabasas | California | USA | USA | 2010 Furnace Creek 508 | 43 | Four Man | FIN | 32:48:03 | 3 | ||
| Pound Puppy | Jonathan | Goldhill | M | Calabasas | California | USA | USA | 2010 Furnace Creek 508 | 52 | Four Man | FIN | 32:48:03 | 1 | ||
| Pound Puppy | Steven | Gruman | M | Los Angeles | California | USA | USA | 2010 Furnace Creek 508 | 52 | Four Man | FIN | 32:48:03 | 1 | ||
| Pound Puppy | Vinnie | Tortorich | M | Beverly Hills | California | USA | USA | 2010 Furnace Creek 508 | 48 | Four Man | FIN | 32:48:03 | 2 | ||
| Prairie Dog | Paul | Vlasveld | M | San Jose | California | USA | USA | 2005 Furnace Creek 508 | 46 | Solo | FIN | 41:59:26 | 13 | HOF | |
| Prairie Dog | Brent Michael | Kious | M | Los Angeles | California | USA | USA | 2006 Furnace Creek 508 | 28 | Solo | DNF | ||||
| Prairie Dog | Franz | Kelsch | M | Gilroy | California | USA | USA | 2007 Furnace Creek 508 | 59 | Two Man | FIN | 33:25:49 | 2 | ||
| Prairie Dog | Paul | Vlasveld | M | San Jose | California | USA | USA | 2007 Furnace Creek 508 | 48 | Two Man | FIN | 33:25:49 | 13 | HOF | |
| Prairie Dog | Franz | Kelsch | M | Gilroy | California | USA | USA | 2008 Furnace Creek 508 | 60 | Two Man | FIN | 32:17:08 | 2 | ||
| Prairie Dog | Paul | Vlasveld | M | San Jose | California | USA | USA | 2008 Furnace Creek 508 | 49 | Two Man | FIN | 32:17:08 | 13 | HOF | |
| Prairie Dog | Louise | McCracken | F | Alviso | California | USA | USA | 2009 Furnace Creek 508 | 49 | Two Mixed | FIN | 40:46:15 | 2 | ||
| Prairie Dog | Paul | Vlasveld | M | San Jose | California | USA | USA | 2009 Furnace Creek 508 | 50 | Two Mixed | FIN | 40:46:15 | 13 | HOF | |
| Prairie Falcon | Jack | Brunk | M | Newbury Park | California | USA | USA | 2006 Furnace Creek 508 | 50 | Two Man | FIN | 37:15:04 | 5 | HOF | |
| Prairie Falcon | Ashton | Johnson | M | Camarillo | California | USA | USA | 2006 Furnace Creek 508 | 54 | Two Man | FIN | 37:15:04 | 2 | ||
| Prairie Falcon | Jack | Brunk | M | Newbury Park | California | USA | USA | 2007 Furnace Creek 508 | 51 | Four Man | FIN | 29:41:09 | 5 | HOF | |
| Prairie Falcon | Ashton | Johnson | M | Camarillo | California | USA | USA | 2007 Furnace Creek 508 | 55 | Four Man | FIN | 29:41:09 | 2 | ||
| Prairie Falcon | Kurt | Pickle | M | Santa Rosa | California | USA | USA | 2007 Furnace Creek 508 | 37 | Four Man | FIN | 29:41:09 | 7 | HOF | |
| Prairie Falcon | Chad | Smith | M | Danville | California | USA | USA | 2007 Furnace Creek 508 | 37 | Four Man | FIN | 29:41:09 | 6 | HOF | |
| Prairie Falcon | Jack | Brunk | M | Newbury Park | California | USA | USA | 2008 Furnace Creek 508 | 52 | Four Man | FIN | 28:36:06 | 5 | HOF | |
| Prairie Falcon | Paul | Harris | M | Westlake Village | California | USA | USA | 2008 Furnace Creek 508 | 41 | Four Man | FIN | 28:36:06 | 5 | HOF | |
| Prairie Falcon | Kurt | Pickle | M | Santa Rosa | California | USA | USA | 2008 Furnace Creek 508 | 38 | Four Man | FIN | 28:36:06 | 7 | HOF | |
| Prairie Falcon | Chad | Smith | M | Alamo | California | USA | USA | 2008 Furnace Creek 508 | 38 | Four Man | FIN | 28:36:06 | 6 | HOF | |
| Prairie Falcon | Christopher | Brown | M | Valencia | California | USA | USA | 2009 Furnace Creek 508 | 46 | Four Man | FIN | 40:11:53 | 3 | ||
| Prairie Falcon | Jack | Brunk | M | Newbury Park | California | USA | USA | 2009 Furnace Creek 508 | 53 | Four Man | FIN | 40:11:53 | 5 | HOF | |
| Prairie Falcon | Thomas | Byrnes | M | Los Angeles | California | USA | USA | 2009 Furnace Creek 508 | 62 | Four Man | FIN | 40:11:53 | 2 | ||
| Prairie Falcon | Charlie | Watler | M | Valencia | California | USA | USA | 2009 Furnace Creek 508 | 42 | Four Man | FIN | 40:11:53 | 3 | ||
| Prairie Falcon | Christopher | Brown | M | Valencia | California | USA | USA | 2010 Furnace Creek 508 | 47 | Four Man | FIN | 39:17:22 | 3 | ||
| Prairie Falcon | Jack | Brunk | M | Newbury Park | California | USA | USA | 2010 Furnace Creek 508 | 54 | Four Man | FIN | 39:17:22 | 5 | HOF | |
| Prairie Falcon | Thomas | Byrnes | M | Los Angeles | California | USA | USA | 2010 Furnace Creek 508 | 63 | Four Man | FIN | 39:17:22 | 2 | ||
| Prairie Falcon | David | Weise | M | Thousand Oaks | California | USA | USA | 2010 Furnace Creek 508 | 43 | Four Man | FIN | 39:17:22 | 2 | ||
| Prairie Falcon | Christopher | Brown | M | Valencia | California | USA | USA | 2011 Furnace Creek 508 | 48 | Four Man | FIN | 32:43:29 | 3 | ||
| Prairie Falcon | Jerald | Holzinger | M | Valencia | California | USA | USA | 2011 Furnace Creek 508 | 50 | Four Man | FIN | 32:43:29 | 1 | ||
| Prairie Falcon | Michael | Mann | M | Marina | California | USA | USA | 2011 Furnace Creek 508 | 48 | Four Man | FIN | 32:43:29 | 1 | ||
| Prairie Falcon | David | Weise | M | Thousand Oaks | California | USA | USA | 2011 Furnace Creek 508 | 44 | Four Man | FIN | 32:43:29 | 2 | ||
| Prancing Unicorn | Geoffrey | Gonzales | M | Fresno | California | USA | USA | 2014 Trona 308 | 35 | Four Man | FIN | 20:14:00 | 5 | HOF | |
| Prancing Unicorn | Nanci | Sumaya | F | Fresno | California | USA | USA | 2014 Trona 308 | 51 | Four Man | FIN | 20:14:00 | 1 | ||
| Prancing Unicorn | Vincent | Velasquez | M | Fresno | California | USA | USA | 2014 Trona 308 | 35 | Four Man | FIN | 20:14:00 | 5 | HOF | |
| Prancing Unicorn | Wilfred | Wong | M | Fresno | California | USA | USA | 2014 Trona 308 | 44 | Four Man | FIN | 20:14:00 | |||
| Prancing Unicorn | Geoffrey | Gonzales | M | Fresno | California | USA | USA | 2014 Silver State 508 | 36 | Four Man | FIN | 32:34:00 | 5 | HOF | |
| Prancing Unicorn | Javier | Moreno | M | Fresno | California | USA | Mexico | 2014 Silver State 508 | 35 | Four Man | FIN | 32:34:00 | 5 | HOF | |
| Prancing Unicorn | Nanci | Sumaya | F | Fresno | California | USA | USA | 2014 Silver State 508 | 52 | Four Man | FIN | 32:34:00 | 1 | ||
| Prancing Unicorn | Vincent | Velasquez | M | Fresno | California | USA | USA | 2014 Silver State 508 | 35 | Four Man | FIN | 32:34:00 | 5 | HOF | |
| Prasmodon | Jeffrey | Davis | M | Coronado | California | USA | USA | 2010 Furnace Creek 508 | 55 | Four Man | FIN | 34:32:09 | 4 | ||
| Prasmodon | John | McAllister | M | Redmond | Washington | USA | USA | 2010 Furnace Creek 508 | 46 | Four Man | FIN | 34:32:09 | 1 | ||
| Prasmodon | Joseph | Rossano | M | Arlington | Washington | USA | USA | 2010 Furnace Creek 508 | 48 | Four Man | FIN | 34:32:09 | 1 | ||
| Prasmodon | Bradley | Zlotnick | M | San Diego | California | USA | USA | 2010 Furnace Creek 508 | 49 | Four Man | FIN | 34:32:09 | 1 | ||
| Praying Mantis | William | Pratt-Steele | M | Canyon | Texas | USA | USA | 2003 Furnace Creek 508 | 49 | Solo | FIN | 38:17:52 | 4 | ||
| Praying Mantis | William | Pratt-Steele | M | Canyon | Texas | USA | USA | 2005 Furnace Creek 508 | 51 | Solo | FIN | 40:57:34 | 4 | ||
| Primal Dragon | Dzung | Dang | M | San Jose | California | USA | USA | 2016 Silver State 508 | 55 | Two Man | FIN | 42:00:00 | 5 | HOF | |
| Primal Dragon | Charles | Schroyer | M | Morgan Hill | California | USA | USA | 2016 Silver State 508 | 64 | Two Man | FIN | 42:00:00 | 9 | HOF | |
| Pronghorn | John | Lauer | M | Elk Grove | California | USA | USA | 2004 Furnace Creek 508 | 41 | Two Man | FIN | 36:30:15 | 4 | ||
| Pronghorn | Bob | Paxson | M | Elk Grove | California | USA | USA | 2004 Furnace Creek 508 | 45 | Two Man | FIN | 36:30:15 | 3 | ||
| Pronghorn | John | Lauer | M | Elk Grove | California | USA | USA | 2006 Furnace Creek 508 | 43 | Two Man | FIN | 34:18:21 | 4 | ||
| Pronghorn | Bob | Paxson | M | Sacramento | California | USA | USA | 2006 Furnace Creek 508 | 47 | Two Man | FIN | 34:18:21 | 3 | ||
| Protoceratops | Steven | Barnes | M | Rimforest | California | USA | USA | 2006 Furnace Creek 508 | 49 | Two Man | FIN | 40:18:15 | 3 | ||
| Protoceratops | Bryan | Pro | M | Davis | California | USA | USA | 2006 Furnace Creek 508 | 28 | Two Man | FIN | 40:18:15 | 4 | ||
| Protoceratops | Steven | Barnes | M | Rimforest | California | USA | USA | 2007 Furnace Creek 508 | 50 | Solo | FIN | 3 | |||
| Protoceratops | Steven | Barnes | M | Rimforest | California | USA | USA | 2008 Furnace Creek 508 | 51 | Solo Classic | DNF | 3 | |||
| Protoceratops | Steven | Barnes | M | Rimforest | California | USA | USA | 2009 Furnace Creek 508 | 52 | Two Man Classic | FIN | 43:53:04 | 3 | ||
| Protoceratops | Steven | Tiede | M | Bishop | California | USA | USA | 2009 Furnace Creek 508 | 54 | Two Man Classic | FIN | 43:53:04 | 1 | ||
| Przewalski's Horses | Jane | Coats | F | La Mesa | California | USA | USA | 2012 Furnace Creek 508 | 47 | Four Mixed | FIN | 37:16:39 | 1 | ||
| Przewalski's Horses | James | Eitelberg | M | Santee | California | USA | USA | 2012 Furnace Creek 508 | 44 | Four Mixed | FIN | 37:16:39 | 3 | ||
| Przewalski's Horses | Steve | Schmidt | M | San Diego | California | USA | USA | 2012 Furnace Creek 508 | 52 | Four Mixed | FIN | 37:16:39 | 3 | ||
| Przewalski's Horses | Ellen | Ward | F | La Jolla | California | USA | USA | 2012 Furnace Creek 508 | 57 | Four Mixed | FIN | 37:16:39 | 2 | ||
| Przewalski's Horses | James | Eitelberg | M | Santee | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 45 | Two Man | FIN | 25:17:00 | 3 | ||
| Przewalski's Horses | Steve | Schmidt | M | San Diego | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 53 | Two Man | FIN | 25:17:00 | 3 | ||
| Przewalski's Horses | James | Eitelberg | M | Santee | California | USA | USA | 2014 Silver State 508 | 46 | Four Mixed | FIN | 36:11:00 | 3 | ||
| Przewalski's Horses | Rebecca | Eitelberg | F | Santee | California | USA | USA | 2014 Silver State 508 | 48 | Four Mixed | FIN | 36:11:00 | 1 | ||
| Przewalski's Horses | Steve | Schmidt | M | San Diego | California | USA | USA | 2014 Silver State 508 | 54 | Four Mixed | FIN | 36:11:00 | 3 | ||
| Przewalski's Horses | Ellen | Ward | F | La Jolla | California | USA | USA | 2014 Silver State 508 | 58 | Four Mixed | FIN | 36:11:00 | 2 | ||
| Psycho Kitties | Janet | Christiansen | F | San Diego | California | USA | USA | 2012 Furnace Creek 508 | 51 | Two Woman | FIN | 34:47:00 | 4 | ||
| Psycho Kitties | Patty Jo | Struve | F | Arnold | California | USA | USA | 2012 Furnace Creek 508 | 57 | Two Woman | FIN | 34:47:00 | 4 | ||
| Pteradactyl | Jim | Petri | M | Mesa | Arizona | USA | USA | 1999 Furnace Creek 508 | 60 | Solo | FIN | 41:41:38 | RQ, 60+ CR | 1 | |
| Pteradactyl | Jim | Pitre | M | Mesa | Arizona | USA | USA | 2001 Furnace Creek 508 | 61 | Solo | FIN | 37:55:00 | course record | 1 | |
| Puca Fairy | Dana | Lieberman | M | Valley Village | California | USA | USA | 2009 Furnace Creek 508 | 41 | Two Man Recumbent | DNF | 5 | HOF | ||
| Puca Fairy | Christopher | Young | M | Portland | Oregon | USA | USA | 2009 Furnace Creek 508 | 40 | Two Man Recumbent | DNF | 1 | |||
| Pudu | Jason | Pierce | M | Oakland | California | USA | USA | 2011 Furnace Creek 508 | 36 | Solo | FIN | 39:32:50 | 5 | HOF | |
| Pudu | Jason | Pierce | M | Oakland | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 39 | Solo Classic | FIN | 28:40:00 | 5 | HOF | |
| Pudu and the Pussycats | Becky | Berka | F | Dublin | California | USA | USA | 2012 Furnace Creek 508 | 49 | Four Mixed Fixed Gear | FIN | 34:45:40 | 1 | ||
| Pudu and the Pussycats | Gabrielle | Friedly | F | San Francisco | California | USA | USA | 2012 Furnace Creek 508 | 43 | Four Mixed Fixed Gear | FIN | 34:45:40 | 1 | ||
| Pudu and the Pussycats | Michael | Melville | M | San Lorenzo | California | USA | USA | 2012 Furnace Creek 508 | 59 | Four Mixed Fixed Gear | FIN | 34:45:40 | 2 | ||
| Pudu and the Pussycats | Jason | Pierce | M | Oakland | California | USA | USA | 2012 Furnace Creek 508 | 38 | Four Mixed Fixed Gear | FIN | 34:45:40 | 5 | HOF | |
| Puffin | Phillip | Kramer | M | Yorba Linda | California | USA | USA | 2004 Furnace Creek 508 | 45 | Solo | FIN | 38:01:55 | 3 | ||
| Puggle | Jason | Overbaugh | M | Atlanta | Georgia | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 39 | Solo | FIN | 20:26:00 | 1 | ||
| Pulgas | Darwin | Embesan | M | Montclair | California | USA | USA | 2021 Silver State 508 | 39 | Four Man Open | FIN | 37:18:50 | 2 | ||
| Pulgas | Haile | Hautea | M | Fontana | California | USA | USA | 2021 Silver State 508 | 50 | Four Man Open | FIN | 37:18:50 | 2 | ||
| Pulgas | Michael | Vincent Paysan | M | Orange | California | USA | USA | 2021 Silver State 508 | 54 | Four Man Open | FIN | 37:18:50 | 2 | ||
| Pulgas | Mark | Zacarias | M | San Gabriel | California | USA | USA | 2021 Silver State 508 | 48 | Four Man Open | FIN | 37:18:50 | 2 | ||
| Puma | Bill | Peschka | M | Chandler | Arizona | USA | USA | 1994 Furnace Creek 508 | 45 | Solo | FIN | 44:29:31 | 3 | ||
| Puma | Bill | Peschka | M | Chandler | Arizona | USA | USA | 1995 Furnace Creek 508 | 46 | Solo | FIN | 54:02:13 | 2nd solo finish | 3 | |
| Pupfish | Louise | Comar | F | Atascadero | California | USA | USA | 2004 Furnace Creek 508 | 51 | Two Woman | FIN | 35:50:45 | COURSE RECORD | 4 | |
| Pupfish | Jennie | Phillips | F | Danville | California | USA | USA | 2004 Furnace Creek 508 | 43 | Two Woman | FIN | 35:50:45 | COURSE RECORD | 5 | HOF |
| Purple People Eater | Donna | Braswell | F | Boise | Idaho | USA | USA | 2015 Silver State 508 | 51 | Solo | DNF | ||||
| PushMePullYou | Todd | Boussom | M | Coronado | California | USA | USA | 2012 Furnace Creek 508 | 51 | Two Mixed | FIN | 37:48:25 | 1 | ||
| PushMePullYou | Ellen | Kirk | F | Del Mar | California | USA | USA | 2012 Furnace Creek 508 | 54 | Two Mixed | FIN | 37:48:25 | 2 | ||
| Pygmy Hippo | Bradley | Majors | M | Chicago | Illinois | USA | USA | 2010 Furnace Creek 508 | 38 | Solo | FIN | 35:27:00 | 2 | ||
| Pygmy Hippo | Bradley | Majors | M | Chicago | Illinois | USA | USA | 2012 Furnace Creek 508 | 40 | Solo | FIN | 35:15:56 | 2 | ||
| Pygmy Jerboa | Joan | Deitchman | F | Sunnyvale | California | USA | Canada | 2013 Furnace Creek 508, AKA Trona 353 | 33 | Two Woman | FIN | 23:51:00 | 6 | HOF | |
| Pygmy Jerboa | Tracey | McQuair | F | Penticton | British Columbia | Canada | Canada | 2013 Furnace Creek 508, AKA Trona 353 | 38 | Two Woman | FIN | 23:51:00 | 1 | ||
| Python | Graham | Pollock | M | Cupertino | California | USA | USA | 2002 Furnace Creek 508 | 35 | Solo | FIN | 36:41:14 | New Qual. | 5 | HOF |
| Python | Graham | Pollock | M | Folson | California | USA | USA | 2004 Furnace Creek 508 | 37 | Solo | FIN | 38:23:20 | 5 | HOF | |
| Python | Graham | Pollock | M | Folsom | California | USA | United Kingdom | 2006 Furnace Creek 508 | 39 | Solo | FIN | 32:48:40 | 5 | HOF | |
| Python | Graham | Pollock | M | Folsom | California | USA | United Kingdom | 2008 Furnace Creek 508 | 41 | Solo | FIN | 30:31:01 | 5 | HOF | |
| Python | Graham | Pollock | M | Folsom | California | USA | United Kingdom | 2010 Furnace Creek 508 | 43 | Solo | FIN | 33:04:46 | 5 | HOF | |
| Quack | Rick | Ashabranner | M | Livermore | California | USA | USA | 2002 Furnace Creek 508 | 33 | Four Man | FIN | 27:17:44 | 5 | HOF | |
| Quack | Leonard | Fieber | M | Tucson | Arizona | USA | USA | 2002 Furnace Creek 508 | 50 | Four Man | FIN | 27:17:44 | 1 | ||
| Quack | Istvan | Makk | M | Antioch | California | USA | USA | 2002 Furnace Creek 508 | 44 | Four Man | FIN | 27:17:44 | 2 | ||
| Quack | Michael | Maloney | M | Livermore | California | USA | USA | 2002 Furnace Creek 508 | 51 | Four Man | FIN | 27:17:44 | 1 | ||
| Quadzilla | Riley | McAlpine | F | Santa Monica | California | USA | USA | 1998 Furnace Creek 508 | 29 | Solo | FIN | 38:53:50 | 1 | ||
| Quagga | James | Quinley | M | Turlock | California | USA | USA | 2000 Furnace Creek 508 | 41 | Solo | FIN | 45:49:29 | 1 | ||
| Quail | Roehl | Caragao | M | Bakersfield | California | USA | USA | 1997 Furnace Creek 508 | 34 | Four Mixed | FIN | 25:53:24 | 18 | HOF | |
| Quail | Frank | Lobre | M | USA | USA | 1997 Furnace Creek 508 | 47 | Four Mixed | FIN | 25:53:24 | 1 | ||||
| Quail | Vickie | Rigby | F | Bakersfield | California | USA | USA | 1997 Furnace Creek 508 | 46 | Four Mixed | FIN | 25:53:24 | 4 | ||
| Quail | Susan | Schima | F | USA | USA | 1997 Furnace Creek 508 | N/A | Four Mixed | FIN | 25:53:24 | 1 | ||||
| Quarter Horse | David | Elsberry | M | Laguna Niguel | California | USA | USA | 2010 Furnace Creek 508 | 59 | Solo | FIN | 39:25:31 | 2 | ||
| Queen Bees | Marvis | Friesen | F | Bakersfield | California | USA | USA | 2003 Furnace Creek 508 | 56 | Two Woman | FIN | 34:25:36 | Course Record! | 3 | |
| Queen Bees | Vickie | Rigby | F | Bakersfield | California | USA | USA | 2003 Furnace Creek 508 | 52 | Two Woman | FIN | 34:25:36 | Course Record! | 4 | |
| Quetzal | Monica | Fernandez | F | Casablanca | Morocco | Guatemala | 2008 Furnace Creek 508 | 40 | Solo | FIN | 32:58:12 | 2008 Death Valley Cup: Badwater + The 508 | 1 | ||
| Quokka | Mark | Raaka | M | Ellensburg | Washington | USA | USA | 2004 Furnace Creek 508 | 35 | Solo | FIN | 40:50:38 | 1 | ||
| Rabbit | Tom | Rieber | M | Reseda | California | USA | USA | 1999 Furnace Creek 508 | 26 | Solo | DNF | TS3 - fatigue | 1 | ||
| Rabbit | Tom | Rieber | M | Venice | California | USA | USA | 2000 Furnace Creek 508 | 27 | Solo | DNF | 1 | |||
| Rabbit | Tom | Rieber | M | Venice | California | USA | USA | 2003 Furnace Creek 508 | 30 | Solo | FIN | 45:10:50 | 1 | ||
| Rabid Rhinos | Dzung | Dang | M | Canoga Park | California | USA | USA | 2014 Silver State 508 | 53 | Four Man | FIN | 33:29:00 | 5 | HOF | |
| Rabid Rhinos | Brian | Dooley | M | Canoga Park | California | USA | USA | 2014 Silver State 508 | 41 | Four Man | FIN | 33:29:00 | 2 | ||
| Rabid Rhinos | John | Josephs | M | Atlantic Beach | Florida | USA | USA | 2014 Silver State 508 | 63 | Four Man | FIN | 33:29:00 | 1 | ||
| Rabid Rhinos | Charles | Schroyer | M | Canoga Park | California | USA | USA | 2014 Silver State 508 | 62 | Four Man | FIN | 33:29:00 | 9 | HOF | |
| Raccoon | Aaron | Rumple | M | USA | USA | 1997 Furnace Creek 508 | 35 | Solo | DNF | ||||||
| Racer | Rick | Boethling | M | Boulder | Colorado | USA | USA | 2010 Furnace Creek 508 | 40 | Four Man | DNF | ||||
| Racer | Timothy | Case | M | Boulder | Colorado | USA | USA | 2010 Furnace Creek 508 | 34 | Four Man | DNF | ||||
| Racer | George | Thomas | M | Hood River | Oregon | USA | USA | 2010 Furnace Creek 508 | 47 | Four Man | DNF | 3 | |||
| Racer | Mick | Walsh | M | Seattle | Washington | USA | Ireland | 2010 Furnace Creek 508 | 48 | Four Man | DNF | 2 | |||
| Racing Roosters | Steve | Bursley | M | Pleasanton | California | USA | USA | 2015 Silver State 508 | 57 | Four Man | FIN | 29:57:43 | 7 | HOF | |
| Racing Roosters | Dan | McDonogh | M | Portland | Oregon | USA | Canada | 2015 Silver State 508 | 44 | Four Man | FIN | 29:57:43 | 1 | ||
| Racing Roosters | James | Ray | M | Poway | California | USA | USA | 2015 Silver State 508 | 59 | Four Man | FIN | 29:57:43 | 2 | ||
| Racing Roosters | Jay | Shockey | M | Calgary | Alberta | Canada | Canada | 2015 Silver State 508 | 50 | Four Man | FIN | 29:57:43 | 2 | ||
| Racing Roosters | Steve | Bursley | M | Pleasanton | California | USA | USA | 2017 Silver State 508 | 59 | Four Man | FIN | 31:13:00 | 7 | HOF | |
| Racing Roosters | Paul | Lewandosky | M | Cave Creek | Arizona | USA | USA | 2017 Silver State 508 | 58 | Four Man | FIN | 31:13:00 | 1 | ||
| Racing Roosters | James | Ray | M | Poway | California | USA | USA | 2017 Silver State 508 | 61 | Four Man | FIN | 31:13:00 | 2 | ||
| Racing Roosters | Jay | Shockey | M | Calgary | Alberta | Canada | Canada | 2017 Silver State 508 | 52 | Four Man | FIN | 31:13:00 | 2 | ||
| Radioactive Cockroach | Geoffrey | Gonzales | M | Fresno | California | USA | USA | 2015 Silver State 508 | 37 | Four Man | FIN | 32:15:21 | 5 | HOF | |
| Radioactive Cockroach | Javier | Moreno | M | Fresno | California | USA | Mexico | 2015 Silver State 508 | 36 | Four Man | FIN | 32:15:21 | 5 | HOF | |
| Radioactive Cockroach | Humberto | Salas | M | Fresno | California | USA | Mexico | 2015 Silver State 508 | 35 | Four Man | FIN | 32:15:21 | 1 | ||
| Radioactive Cockroach | Vincent | Velasquez | M | Fresno | California | USA | USA | 2015 Silver State 508 | 36 | Four Man | FIN | 32:15:21 | 5 | HOF | |
| Radioactive Cockroach | Geoffrey | Gonzales | M | Fresno | California | USA | USA | 2016 Silver State 508 | 38 | Four Man | FIN | 30:55:00 | 5 | HOF | |
| Radioactive Cockroach | Javier | Moreno | M | Fresno | California | USA | Mexico | 2016 Silver State 508 | 37 | Four Man | FIN | 30:55:00 | 5 | HOF | |
| Radioactive Cockroach | Christopher | Ngo | M | Friant | California | USA | USA | 2016 Silver State 508 | 52 | Four Man | FIN | 30:55:00 | 3 | ||
| Radioactive Cockroach | Vincent | Velasquez | M | Fresno | California | USA | USA | 2016 Silver State 508 | 37 | Four Man | FIN | 30:55:00 | 5 | HOF | |
| Radioactive Cockroach | Geoffrey | Gonzales | M | Fresno | California | USA | USA | 2017 Silver State 508 | 39 | Four Man | FIN | 31:19:00 | 5 | HOF | |
| Radioactive Cockroach | Javier | Moreno | M | Fresno | California | USA | Mexico | 2017 Silver State 508 | 38 | Four Man | FIN | 31:19:00 | 5 | HOF | |
| Radioactive Cockroach | Christopher | Ngo | M | Friant | California | USA | USA | 2017 Silver State 508 | 52 | Four Man | FIN | 31:19:00 | 3 | ||
| Radioactive Cockroach | Vincent | Velasquez | M | Fresno | California | USA | USA | 2017 Silver State 508 | 38 | Four Man | FIN | 31:19:00 | 5 | HOF | |
| Radioactive Cockroach | Geoffrey | Gonzales | M | Fresno | California | USA | USA | 2018 Silver State 508 | 40 | Four Man | FIN | 31:55:06 | 5 | HOF | |
| Radioactive Cockroach | Javier | Moreno | M | Fresno | California | USA | Mexico | 2018 Silver State 508 | 39 | Four Man | FIN | 31:55:06 | 5 | HOF | |
| Radioactive Cockroach | Christopher | Ngo | M | Friant | California | USA | USA | 2018 Silver State 508 | 54 | Four Man | FIN | 31:55:06 | 3 | ||
| Radioactive Cockroach | Vincent | Velasquez | M | Fresno | California | USA | USA | 2018 Silver State 508 | 39 | Four Man | FIN | 31:55:06 | 5 | HOF | |
| Rafiki the Baboon | Gregory | Robinson | M | Westlake Village | California | USA | USA | 2008 Furnace Creek 508 | 39 | Solo | FIN | 31:00:59 | 2 | ||
| Rafiki the Baboon | Gregory | Robinson | M | Westlake Village | California | USA | USA | 2009 Furnace Creek 508 | 40 | Solo | FIN | 38:13:30 | 2 | ||
| Raging Bull | Monica | Berlin | F | Castaic | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 36 | Solo | FIN | 27:45:00 | 2 | ||
| Raging Bulls | Monica | Berlin | F | Castaic | California | USA | USA | 2012 Furnace Creek 508 | 35 | Two Woman | FIN | 37:34:00 | 2 | ||
| Raging Bulls | Gina | Bradley | F | Westlake Village | California | USA | USA | 2012 Furnace Creek 508 | 56 | Two Woman | FIN | 37:34:00 | 1 | ||
| Ram | Chris | Ragsdale | M | Seattle | Washington | USA | USA | 2005 Furnace Creek 508 | 28 | Solo | FIN | 31:12:38 | 6 | HOF | |
| Ram | Chris | Ragsdale | M | Seattle | Washington | USA | USA | 2006 Furnace Creek 508 | 29 | Solo | DNF | 6 | HOF | ||
| RAM | Chris | Ragsdale | M | Seattle | Washington | USA | USA | 2008 Furnace Creek 508 | 31 | Solo | FIN | 29:10:43 | 6 | HOF | |
| RAM | Chris | Ragsdale | M | Seattle | Washington | USA | USA | 2009 Furnace Creek 508 | 32 | Solo | FIN | 29:10:31 | 6 | HOF | |
| RAM | Chris | Ragsdale | M | Seattle | Washington | USA | USA | 2010 Furnace Creek 508 | 33 | Solo | FIN | 30:15:12 | 6 | HOF | |
| Ram | Chris | Ragsdale | M | Seattle | Washington | USA | USA | 2012 Furnace Creek 508 | 35 | Solo | FIN | 33:05:07 | 6 | HOF | |
| Ram | Chris | Ragsdale | M | Seattle | Washington | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 35 | Solo | FIN | 20:20:00 | 6 | HOF | |
| Raptor | Kathleen | Rogers | F | Phoenix | Arizona | USA | USA | 2000 Furnace Creek 508 | 45 | Solo | DNF | ||||
| Rat Pack | Cameron | Brenneman | M | Mission Viejo | California | USA | USA | 1999 Furnace Creek 508 | 22 | Four Man | FIN | 23:26:27 | 1 | ||
| Rat Pack | Robert J. | Mack | M | Rancho Santa Margarita | California | USA | USA | 1999 Furnace Creek 508 | 33 | Four Man | FIN | 23:26:27 | 1 | ||
| Rat Pack | Donald | Miller | M | Foothill Ranch | California | USA | USA | 1999 Furnace Creek 508 | 39 | Four Man | FIN | 23:26:27 | 1 | ||
| Rat Pack | Martinmaas | Scott | M | Mission Viejo | California | USA | USA | 1999 Furnace Creek 508 | 36 | Four Man | FIN | 23:26:27 | 2 | ||
| Rat Snake | Kenneth | Stalter | M | Franklin | New York | USA | USA | 2009 Furnace Creek 508 | 55 | Solo | FIN | 44:48:01 | 2 | ||
| Rat Snake | Kenneth | Stalter | M | Franklin | New York | USA | USA | 2011 Furnace Creek 508 | 57 | Solo | FIN | 39:00:43 | 2 | ||
| Ratel | David | Elsberry | M | Laguna Niguel | California | USA | USA | 2009 Furnace Creek 508 | 58 | Two Man | FIN | 33:06:50 | 2 | ||
| Ratel | Doug | Patterson | M | Orange | California | USA | USA | 2009 Furnace Creek 508 | 49 | Two Man | FIN | 33:06:50 | 6 | HOF | |
| Rattlesnake | Charles | Rowell | M | USA | USA | 1998 Furnace Creek 508 | 33 | Solo | DNF | ||||||
| Rattlesnake 2 | Dale | Capewell | M | Agoura Hills | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 50 | Solo | FIN | 22:07:00 | 1 | ||
| Raven | Byron | Rieper | M | Overland Park | Kansas | USA | USA | 1999 Furnace Creek 508 | 50 | Solo | FIN | 38:25:08 | 2 | ||
| Raven | Byron | Rieper | M | Overland Park | Kansas | USA | USA | 2000 Furnace Creek 508 | 51 | Solo | DNF | 2 | |||
| Raven | Byron | Rieper | M | Overland Park | Kansas | USA | USA | 2008 Furnace Creek 508 | 59 | Solo | FIN | 37:39:30 | 2 | ||
| Raven Lunatics | David | Bradley | M | Arcata | California | USA | USA | 2007 Furnace Creek 508 | 48 | Two Man Recumbent | FIN | 33:47:01 | 4 | ||
| Raven Lunatics | Bill | Spaeth | M | Arcata | California | USA | USA | 2007 Furnace Creek 508 | 47 | Two Man Recumbent | FIN | 33:47:01 | 3 | ||
| Raven Lunatics | David | Bradley | M | Arcata | California | USA | USA | 2008 Furnace Creek 508 | 49 | Two Man Recumbent | FIN | 32:44:35 | 4 | ||
| Raven Lunatics | Jim | Verheul | M | Westlake Village | California | USA | USA | 2008 Furnace Creek 508 | 43 | Two Man Recumbent | FIN | 32:44:35 | 2 | ||
| Raven Lunatics | David | Bradley | M | Arcata | California | USA | USA | 2010 Furnace Creek 508 | 52 | Four Man Recumbent | FIN | 33:08:01 | 4 | ||
| Raven Lunatics | James | Kern | M | Sunnyvale | California | USA | USA | 2010 Furnace Creek 508 | 52 | Four Man Recumbent | FIN | 33:08:01 | 4 | ||
| Raven Lunatics | John | Schlitter | M | St. Petersburg | Florida | USA | USA | 2010 Furnace Creek 508 | 54 | Four Man Recumbent | FIN | 33:08:01 | 2 | ||
| Raven Lunatics | Bill | Spaeth | M | Arcata | Florida | USA | USA | 2010 Furnace Creek 508 | 50 | Four Man Recumbent | FIN | 33:08:01 | 3 | ||
| Raven Lunatics | Danny | Fallon | M | Prescott | Arizona | USA | USA | 2023 Silver State 508 | N/A | Two Man Recumbent | DNF | ||||
| Raven Lunatics | Bill | Spaeth | M | Eureka | California | USA | USA | 2023 Silver State 508 | N/A | Two Man Recumbent | DNF | 3 | |||
| Red Bull | Anthony | Boyd | M | Redlands | California | USA | USA | 2010 Furnace Creek 508 | 47 | Two Man | FIN | 37:16:44 | 9 | HOF | |
| Red Bull | Rodney | Boyd | M | Laguna Beach | California | USA | USA | 2010 Furnace Creek 508 | 44 | Two Man | FIN | 37:16:44 | 9 | HOF | |
| Red Bull | Anthony | Boyd | M | Redlands | California | USA | USA | 2011 Furnace Creek 508 | 48 | Two Man | FIN | 31:57:43 | 9 | HOF | |
| Red Bull | Rodney | Boyd | M | Laguna Beach | California | USA | USA | 2011 Furnace Creek 508 | 45 | Two Man | FIN | 31:57:43 | 9 | HOF | |
| Red Bull | Anthony | Boyd | M | redlands | California | USA | USA | 2012 Furnace Creek 508 | 49 | Two Man | FIN | 31:36:48 | 9 | HOF | |
| Red Bull | Rodney | Boyd | M | Laguna Beach | California | USA | USA | 2012 Furnace Creek 508 | 46 | Two Man | FIN | 31:36:48 | 9 | HOF | |
| Red Bull | Anthony | Boyd | M | REDLANDS | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 50 | Two Man | FIN | 21:59:00 | 9 | HOF | |
| Red Bull | Rodney | Boyd | M | Laguna Beach | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 47 | Two Man | FIN | 21:59:00 | 9 | HOF | |
| Red Bull | Anthony | Boyd | M | Redlands | California | USA | USA | 2014 Silver State 508 | 51 | Two Man | FIN | 30:09:00 | 9 | HOF | |
| Red Bull | Rodney | Boyd | M | Laguna Beach | California | USA | USA | 2014 Silver State 508 | 48 | Two Man | FIN | 30:09:00 | 9 | HOF | |
| Red Bull | Rodney | Boyd | M | Laguna Beach | California | USA | USA | 2016 Silver State 508 | 50 | Solo Randonneur | DNF | 9 | HOF | ||
| Red Dexter | Peg | Miller | F | San Jose | California | USA | USA | 2016 Silver State 508 | 60 | Solo | DNF | 6 | HOF | ||
| Red Dexter | Peg | Miller | F | San Jose | California | USA | USA | 2017 Silver State 508 | 61 | Solo | FIN | 46:48:00 | 6 | HOF | |
| Red Dragon | Michael | Davies-Hughes | M | Eureka | California | USA | USA | 2022 Silver State 508 | 54 | Solo | FIN | 34:01:00 | 2 | ||
| Red Dragon | Michael | Davies-Hughes | M | Eureka | California | USA | USA | 2023 Silver State 508 | N/A | Solo | FIN | 35:07:00 | 2 | ||
| Red Dragons | Terry | Hart | M | Columbia | Missouri | USA | USA | 2016 Silver State 508 | 56 | Two Man | FIN | 29:31:00 | 1 | ||
| Red Dragons | Todd | Hart | M | Copley | Ohio | USA | USA | 2016 Silver State 508 | 56 | Two Man | FIN | 29:31:00 | 1 | ||
| Red Eyed Vireo | George | Vargas | M | Costa Mesa | California | USA | USA | 2012 Furnace Creek 508 | 47 | Solo | DNF | 11 | HOF | ||
| Red Horse | Mitchell | Hastings | M | Rancho Murieta | California | USA | USA | 2003 Furnace Creek 508 | 37 | Solo | DNF | ||||
| Red Horse | Mitchell | Hastings | M | Rancho Murieta | California | USA | USA | 2004 Furnace Creek 508 | 38 | Solo | DNF | lost will to live | |||
| Red Horse | Danilo | Carreon | M | Chino | California | USA | USA | 2019 Silver State 508 | 52 | Solo | DNF | 1 | |||
| Red Horse | Danilo | Carreon | M | Chino | California | USA | USA | 2021 Silver State 508 | 54 | Solo | DNF | 1 | |||
| Red Horse | Danilo | Carreon | M | Chino | California | USA | USA | 2021 Silver State 508 | 54 | Solo | DNF | 1 | |||
| Red Horse | Danilo | Carreon | M | Chino | California | USA | USA | 2022 Silver State 508 | 56 | Solo | FIN | 44:05:00 | 1 | ||
| Red Kangaroo | Johnny | Boswell | M | Fredericksburg | Texas | USA | USA | 2005 Furnace Creek 508 | 52 | Two Man | FIN | 31:13:29 | 1 | ||
| Red Kangaroo | Paul | Skilbeck | M | San Francisco | California | USA | United Kingdom | 2005 Furnace Creek 508 | 42 | Two Man | FIN | 31:13:29 | 2 | ||
| Red Kangaroo | Andres | Caicedo | M | Lafayette | California | USA | USA | 2006 Furnace Creek 508 | 36 | Two Man | FIN | 29:08:41 | 2 | ||
| Red Kangaroo | Paul | Skilbeck | M | San Francisco | California | USA | USA | 2006 Furnace Creek 508 | 43 | Two Man | FIN | 29:08:41 | 2 | ||
| Red Kite | Reiner | Schubert | M | Ebersbach Fils | Baden Württemberg | Germany | Germany | 2013 Furnace Creek 508, AKA Trona 353 | 63 | Solo | FIN | 30:10:00 | TP | 1 | |
| Red Kite | Reiner | Schubert | M | Ebersbach Fils | Germany | Germany | 2015 Silver State 508 | 65 | Solo | HON | 50:00:00 | 1 | |||
| Red Legged Frog | Roehl | Caragao | M | Fresno | California | USA | USA | 2017 Silver State 508 | 54 | Solo | FIN | 35:50:00 | 18 | HOF | |
| Red Lipped Batfish | Jay | Battleson | M | Bend | Oregon | USA | USA | 2016 Silver State 508 | 41 | Four Man | FIN | 28:57:00 | 4 | ||
| Red Lipped Batfish | Ed | Hladek | M | Las Vegas | Nevada | USA | USA | 2016 Silver State 508 | 51 | Four Man | FIN | 28:57:00 | 11 | HOF | |
| Red Lipped Batfish | Ryan | Kunz | M | Riverton | Utah | USA | USA | 2016 Silver State 508 | 42 | Four Man | FIN | 28:57:00 | 8 | HOF | |
| Red Lipped Batfish | Jon | Skramstad | M | Pleasanton | California | USA | USA | 2016 Silver State 508 | 41 | Four Man | FIN | 28:57:00 | 8 | HOF | |
| Red Necked Falcon | Kenneth | Adams | M | Riverside | California | USA | USA | 2014 Trona 308 | 56 | Two Man | FIN | 18:50:00 | |||
| Red Necked Falcon | David | Farey | M | Riverside | California | USA | USA | 2014 Trona 308 | 41 | Two Man | FIN | 18:50:00 | 6 | HOF | |
| Red Necked Falcon | David | Farey | M | Riverside | California | USA | USA | 2016 Silver State 508 | 44 | Solo | FIN | 36:31:00 | 6 | HOF | |
| Red Necked Falcon | David | Farey | M | Rancho Cucamonga | California | USA | USA | 2017 Silver State 508 | 45 | Solo | FIN | 35:38:00 | 6 | HOF | |
| Red Necked Falcon | David | Farey | M | Rancho Cucamonga | California | USA | USA | 2018 Silver State 508 | 46 | Solo | FIN | 38:01:40 | 6 | HOF | |
| Red Panda | Dan | Hartley | M | Greenville | South Carolina | USA | USA | 2022 Silver State 508 | 50 | Solo | FIN | 41:35:00 | 1 | ||
| Red Racers | Tom | Miller | M | Valley Center | California | USA | USA | 2003 Furnace Creek 508 | 52 | Two Man | FIN | 41:28:00 | 3 | ||
| Red Racers | Mike | Sturgill | M | Phoenix | Arizona | USA | USA | 2003 Furnace Creek 508 | 44 | Two Man | FIN | 41:28:00 | 1 | ||
| Red Robin | Roehl | Caragao | M | Bakersfield | California | USA | USA | 2000 Furnace Creek 508 | 37 | Tandem Men | FIN | 33:36:57 | 18 | HOF | |
| Red Robin | Bob | Smith | M | Bakersfield | California | USA | USA | 2000 Furnace Creek 508 | 48 | Tandem Men | FIN | 33:36:57 | 5 | HOF | |
| Red Rockettes | Susan | Barr | F | Vancouver | British Columbia | Canada | Canada | 2000 Furnace Creek 508 | 45 | Four Woman | FIN | 29:50:17 | Established a new age group course record | 1 | |
| Red Rockettes | Muffy | Ritz | F | Ketchum | Idaho | USA | USA | 2000 Furnace Creek 508 | 43 | Four Woman | FIN | 29:50:17 | Established a new age group course record | 3 | |
| Red Rockettes | Anne | Schneider | F | Davis | California | USA | USA | 2000 Furnace Creek 508 | 52 | Four Woman | FIN | 29:50:17 | Established a new age group course record | 6 | HOF |
| Red Rockettes | Lulu | Weschler | F | Colts Neck | New Jersey | USA | USA | 2000 Furnace Creek 508 | 52 | Four Woman | FIN | 29:50:17 | Established a new age group course record | 1 | |
| Red Rooster | Eric | Wilson | M | Palmdale | California | USA | USA | 2001 Furnace Creek 508 | 49 | Solo | FIN | 36:59:00 | 4 | ||
| Red Rooster | Eric | Wilson | M | Palmdale | California | USA | USA | 2002 Furnace Creek 508 | 50 | Solo | DNF | 4 | |||
| Red Rooster | Eric | Wilson | M | Palmdale | California | USA | USA | 2003 Furnace Creek 508 | 51 | Solo | FIN | 33:10:05 | 4 | ||
| Red Rooster | Eric | Wilson | M | Palmdale | California | USA | USA | 2005 Furnace Creek 508 | 53 | Solo | FIN | 31:43:31 | 4 | ||
| Red Tail Hawk | Steve | Scheetz | M | King of Prussia | Pennsylvania | USA | USA | 2004 Furnace Creek 508 | 34 | Solo | DNF | ||||
| Red Tail Hawk | Steve | Scheetz | M | King Of Prussia | Pennsylvania | USA | USA | 2006 Furnace Creek 508 | 36 | Solo | DNF | ||||
| Red Wolf | Mike | DeNoma | M | Singapore | Singapore | Singapore | 2006 Furnace Creek 508 | 50 | Solo | FIN | 47:55:57 | 1 | |||
| Red Wolf | Mike | DeNoma | M | London | United Kingdom | USA | 2014 Silver State 508 | 58 | Solo | DNF | 1 | ||||
| Red Wolf | Stephen Clark | Seninger | M | Santa Clara | California | USA | USA | 2024 Silver State 508 | N/A | Solo | FIN | 45:20:16 | 1 | ||
| Red-Eyed Vireo | George | Vargas | M | Encinitas | California | USA | USA | 2006 Furnace Creek 508 | 41 | Solo | FIN | 42:59:52 | 11 | HOF | |
| Red-Eyed Vireo | George | Vargas | M | Encinitas | California | USA | USA | 2007 Furnace Creek 508 | 42 | Solo Fixed Gear | FIN | 45:12:45 | 11 | HOF | |
| Red-Eyed Vireo | George | Vargas | M | Huntington Beach | California | USA | USA | 2008 Furnace Creek 508 | 43 | Solo | FIN | 37:34:41 | 11 | HOF | |
| Red-Eyed Vireo | George | Vargas | M | Huntington Beach | California | USA | USA | 2009 Furnace Creek 508 | 44 | Solo | FIN | 42:21:24 | 11 | HOF | |
| Red-Eyed Vireo | George | Vargas | M | Huntington Beach | California | USA | USA | 2010 Furnace Creek 508 | 45 | Solo | FIN | 40:57:20 | 11 | HOF | |
| Red-Eyed Vireo | George | Vargas | M | Newport Beach | California | USA | USA | 2011 Furnace Creek 508 | 46 | Solo | FIN | 38:41:36 | 11 | HOF | |
| Red-Legged Frog | Roehl | Caragao | M | Bakersfield | California | USA | USA | 2001 Furnace Creek 508 | 38 | Solo | FIN | 36:18:00 | 18 | HOF | |
| Red-Legged Frog | Roehl | Caragao | M | Fresno | California | USA | USA | 2005 Furnace Creek 508 | 42 | Solo | FIN | 41:19:58 | 18 | HOF | |
| Red-Legged Frog | Roehl | Caragao | M | Fresno | California | USA | Philippines | 2010 Furnace Creek 508 | 47 | Solo | FIN | 40:38:06 | 18 | HOF | |
| Red-Legged Frog | Roehl | Caragao | M | Fresno | California | USA | Philippines | 2013 Furnace Creek 508, AKA Trona 353 | 50 | Solo | FIN | 23:16:00 | 18 | HOF | |
| Red-necked Falcon | David | Farey | M | Riverside | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 41 | Solo Classic | FIN | 24:11:00 | 6 | HOF | |
| RedAssd Monkey | Meredith | Dolhare | F | Charlotte | North Carolina | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 40 | Solo | FIN | 30:42:00 | 2 | ||
| RedHorse | Danilo | Carreon | M | Chino | California | USA | USA | 2025 The 508 | 59 | Solo Randonneur | DNF | 1 | |||
| Rednecked Falcon | David | Farey | M | Riverside | California | USA | USA | 2014 Silver State 508 | 42 | Solo | FIN | 31:55:00 | 6 | HOF | |
| Rednecked Falcon | David | Farey | M | Riverside | California | USA | USA | 2015 Silver State 508 | 43 | Solo Randonneur Fixed Gear | FIN | 37:05:26 | 6 | HOF | |
| Rednecked Falcon | David | Farey | M | San Bernardino | California | USA | USA | 2022 Silver State 508 | 50 | Solo Randonneur Fixed Gear | DNF | 6 | HOF | ||
| Reindeer | Richard | Ruge | M | Harrison | New York | USA | USA | 2001 Furnace Creek 508 | 45 | Solo | DNF | ||||
| Reindeer | Richard | Ruge | M | Harrison | New York | USA | USA | 2003 Furnace Creek 508 | 47 | Solo | DNF | ||||
| Relucent Phoenix | Jennie | Phillips | F | Danville | California | USA | USA | 2005 Furnace Creek 508 | 44 | Tandem Mixed | FIN | 31:26:51 | 5 | HOF | |
| Relucent Phoenix | Craig | Robertson | M | Los Altos | California | USA | USA | 2005 Furnace Creek 508 | 48 | Tandem Mixed | FIN | 31:26:51 | 6 | HOF | |
| Requiem Shark | Meaghan | Hackinen | F | Kelowna | British Columbia | Canada | USA | 2023 Silver State 508 | N/A | Solo Fixed Gear | FIN | 29:43:14 | 1 | ||
| Restless Bull | Brian | masayon | M | Azusa | California | USA | USA | 2018 Silver State 508 | 42 | Solo | DNF | 1 | |||
| Restless Bull | Brian | masayon | M | Azusa | California | USA | USA | 2019 Silver State 508 | 43 | Solo | FIN | 47:55:00 | 1 | ||
| Retriever | Nicholas | Rice | M | Santa Clara | California | USA | United Kingdom | 2007 Furnace Creek 508 | 26 | Solo | DNF | 3 | |||
| Retriever | Nicholas | Rice | M | Santa Clara | California | USA | United Kingdom | 2008 Furnace Creek 508 | 27 | Solo | FIN | 37:50:06 | 3 | ||
| Retriever | Nicholas | Rice | M | Santa Clara | California | USA | USA | 2017 Silver State 508 | 36 | Solo | FIN | 35:28:00 | 3 | ||
| Rhino | Scott | Gibb | M | California | USA | USA | 1994 Furnace Creek 508 | N/A | Four Man | FIN | 25:57:20 | 1 | |||
| Rhino | Greg | Lafferty | M | USA | USA | 1994 Furnace Creek 508 | N/A | Four Man | FIN | 25:57:20 | 1 | ||||
| Rhino | Jeff | Lafferty | M | USA | USA | 1994 Furnace Creek 508 | N/A | Four Man | FIN | 25:57:20 | 1 | ||||
| Rhino | Perry | Louck | M | California | USA | USA | 1994 Furnace Creek 508 | N/A | Four Man | FIN | 25:57:20 | 1 | |||
| Rhino Beetles | Mike | Carr | M | Rocklin | California | USA | USA | 2009 Furnace Creek 508 | 38 | Four Man | FIN | 33:09:35 | 1 | ||
| Rhino Beetles | Eric | Friend | M | Roseville | California | USA | USA | 2009 Furnace Creek 508 | 32 | Four Man | FIN | 33:09:35 | 1 | ||
| Rhino Beetles | Daniel | Hart | M | Playa Vista | California | USA | USA | 2009 Furnace Creek 508 | 31 | Four Man | FIN | 33:09:35 | 1 | ||
| Rhino Beetles | Dan | Lebson | M | Folsom | California | USA | USA | 2009 Furnace Creek 508 | 32 | Four Man | FIN | 33:09:35 | 1 | ||
| Ringtail | Anurang | Revri | M | San Francisco | California | USA | USA | 2000 Furnace Creek 508 | 36 | Solo | DNF | ||||
| Rising Phoenix | Christie | Tracy | F | Austin | Texas | USA | USA | 2022 Silver State 508 | 43 | Solo | FIN | 36:35:00 | 1 | ||
| River Cooters | Christopher | Danesi | M | Lafayette | California | USA | USA | 2010 Furnace Creek 508 | 43 | Four Man | FIN | 31:44:42 | 1 | ||
| River Cooters | Matt | Jennings | M | Walnut Creek | California | USA | USA | 2010 Furnace Creek 508 | 35 | Four Man | FIN | 31:44:42 | 1 | ||
| River Cooters | Mike | Schwartz | M | Oakland | California | USA | USA | 2010 Furnace Creek 508 | 32 | Four Man | FIN | 31:44:42 | 2 | ||
| River Cooters | David | Shinsky | M | Walnut Creek | California | USA | USA | 2010 Furnace Creek 508 | 40 | Four Man | FIN | 31:44:42 | 5 | HOF | |
| River Cooters | Mike | Schwartz | M | Oakland | California | USA | USA | 2011 Furnace Creek 508 | 33 | Two Man | FIN | 32:05:06 | 2 | ||
| River Cooters | David | Shinsky | M | Walnut Creek | California | USA | USA | 2011 Furnace Creek 508 | 41 | Two Man | FIN | 32:05:06 | 5 | HOF | |
| Road Gator | Halsey | Beashears | M | Monticello | Florida | USA | USA | 2016 Silver State 508 | 44 | Four Man | FIN | 29:55:00 | 1 | ||
| Road Gator | Chris | Carmichael | M | Colorado Springs | Colorado | USA | USA | 2016 Silver State 508 | 54 | Four Man | FIN | 29:55:00 | 1 | ||
| Road Gator | Steve | Parr | M | Palm City | Florida | USA | USA | 2016 Silver State 508 | 46 | Four Man | FIN | 29:55:00 | 1 | ||
| Road Gator | Don | Wood | M | Palm City | Florida | USA | USA | 2016 Silver State 508 | 51 | Four Man | FIN | 29:55:00 | 1 | ||
| Roadkill | Matthew | Frederick | M | San Francisco | California | USA | USA | 2014 Trona 308 | 45 | Solo Randonneur | DNF | 3 | |||
| Roadkill | Matthew | Frederick | M | San Francisco | California | USA | USA | 2015 Silver State 508 | 46 | Solo Randonneur | FIN | 46:54:09 | 3 | ||
| Roadkill | Matthew | Frederick | M | San Francisco | California | USA | USA | 2016 Silver State 508 | 47 | Solo Randonneur Classic | FIN | 46:49:00 | 3 | ||
| Roadkill | Matthew | Frederick | M | San Francisco | California | USA | USA | 2017 Silver State 508 | 48 | Solo Fixed Gear | FIN | 44:37:00 | 3 | ||
| Roadkill | Matthew | Frederick | M | San Francisco | California | USA | USA | 2018 Silver State 508 | 49 | Solo Randonneur Fixed Gear | DNF | 3 | |||
| Roadrunner | Kurt | Rieder | M | Switzerland | Switzerland | 1995 Furnace Creek 508 | 33 | Solo | DNF | ||||||
| Robin | Tom | Robertshaw | M | Birmingham | Alabama | USA | USA | 2000 Furnace Creek 508 | 53 | Solo | DNF | ||||
| RoBoRaT | Don Arthur | Estuita | M | Rancho Cucamonga | California | USA | USA | 2022 Silver State 508 | 50 | Solo | DNF | 1 | |||
| RoBoRaT | Don Arthur | Estuita | M | Rancho Cucamonga | California | USA | USA | 2023 Silver State 508 | N/A | Solo | FIN | 40:35:33 | 1 | ||
| RoBoRaT | Don Arthur | Estuita | M | Corona | California | USA | USA | 2024 Silver State 508 | N/A | Solo Randonneur | DNF | 1 | |||
| RoBoRaT | Don Arthur | Estuita | M | Corona | California | USA | USA | 2025 The 508 | 53 | Solo Randonneur | DNF | 1 | |||
| Rock | Aldo | Calandro | M | Milano | Italy | Italy | 1999 Furnace Creek 508 | 43 | Solo | FIN | 48:02:15 | 1 | |||
| Rock Ewe | Jeanine | Spence | F | Fresno | California | USA | USA | 2008 Furnace Creek 508 | 44 | Two Woman | FIN | 29:43:28 | 6 | HOF | |
| Rock Ewe | Lisa | Williams | F | Fresno | California | USA | USA | 2008 Furnace Creek 508 | 40 | Two Woman | FIN | 29:43:28 | 2 | ||
| Rock Ewe | Katie | Bergen | F | Clovis | California | USA | USA | 2011 Furnace Creek 508 | 26 | Two Woman | FIN | 31:26:43 | 1 | ||
| Rock Ewe | Jeanine | Spence | F | Fresno | California | USA | USA | 2011 Furnace Creek 508 | 47 | Two Woman | FIN | 31:26:43 | 6 | HOF | |
| Rock Ewe | Anna Catharina | Berge | F | Vollezele | Vollezele | Belgium | Sweden | 2012 Furnace Creek 508 | 46 | Four Woman | FIN | 28:23:30 | 6 | HOF | |
| Rock Ewe | Janet | Martinez | F | Pleasanton | California | USA | USA | 2012 Furnace Creek 508 | 45 | Four Woman | FIN | 28:23:30 | 1 | ||
| Rock Ewe | Jennie | Phillips | F | Danville | California | USA | USA | 2012 Furnace Creek 508 | 51 | Four Woman | FIN | 28:23:30 | 5 | HOF | |
| Rock Ewe | Jeanine | Spence | F | Fresno | California | USA | USA | 2012 Furnace Creek 508 | 48 | Four Woman | FIN | 28:23:30 | 6 | HOF | |
| Rock Lizard | Bob | Andrews | M | La Jolla | California | USA | USA | 2012 Furnace Creek 508 | 53 | Solo | FIN | 40:52:02 | 1 | ||
| Rock Rabbit | Adam | Bickett | M | San Diego | California | USA | USA | 2009 Furnace Creek 508 | 26 | Solo | FIN | 38:16:34 | 6 | HOF | |
| Rock Rabbit | Adam | Bickett | M | San Diego | California | USA | USA | 2010 Furnace Creek 508 | 27 | Solo Fixed Gear | FIN | 42:43:16 | 6 | HOF | |
| Rock Rabbit | Adam | Bickett | M | Solana Beach | California | USA | USA | 2011 Furnace Creek 508 | 28 | Solo | FIN | 30:20:28 | 6 | HOF | |
| Rock Rabbit | Adam | Bickett | M | solana beach | Arizona | USA | USA | 2012 Furnace Creek 508 | 29 | Solo | FIN | 33:52:35 | 6 | HOF | |
| Rock Rabbit | Adam | Bickett | M | Solana Beach | California | USA | USA | 2014 Silver State 508 | 31 | Solo | FIN | 28:15:00 | 6 | HOF | |
| Rock Rabbit | Adam | Bickett | M | San Diego | California | USA | USA | 2016 Silver State 508 | 32 | Solo | FIN | 27:54:00 | 6 | HOF | |
| Rock Scorpion | Andre | Gonzalez | M | Lehi | Utah | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 41 | Four Man | FIN | 19:27:00 | 1 | ||
| Rock Scorpion | Ryan | Kennedy | M | Riverside | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 30 | Four Man | FIN | 19:27:00 | 1 | ||
| Rock Scorpion | Phillip | Kramer | M | Yorba Linda | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 54 | Four Man | FIN | 19:27:00 | 3 | ||
| Rock Scorpion | Anthony | Restuccia | M | Topanga | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 37 | Four Man | FIN | 19:27:00 | 1 | ||
| Rock Scorpions | Brian | Johnson | M | Beaumont | California | USA | USA | 2014 Trona 308 | 40 | Two Man | FIN | 18:46:00 | 3 | ||
| Rock Scorpions | Guy | La Rocque | M | Newport Beach | California | USA | USA | 2014 Trona 308 | 55 | Two Man | FIN | 18:46:00 | |||
| Rock Scorpions | Chris | Branson | M | Moreno Valley | California | USA | USA | 2014 Silver State 508 | 29 | Two Man | FIN | 29:27:01 | 1 | ||
| Rock Scorpions | Brian | Johnson | M | Beaumont | California | USA | USA | 2014 Silver State 508 | 31 | Two Man | FIN | 29:27:01 | 3 | ||
| Rockin' Eagle | John | Camino | M | Los angeles | California | USA | USA | 2024 Silver State 508 | N/A | Solo | DNF | ||||
| Rocky Mountain Goat | Billy | Richmond | M | San Ramon | California | USA | USA | 2007 Furnace Creek 508 | 41 | Two Man | FIN | 32:46:21 | 2 | ||
| Rocky Mountain Goat | Reid | Swanson | M | San Ramon | California | USA | USA | 2007 Furnace Creek 508 | 38 | Two Man | FIN | 32:46:21 | 1 | ||
| Rocky Mountain Goat | Reid | Swanson | M | San Ramon | California | USA | USA | 2008 Furnace Creek 508 | 39 | Solo | DNF | 1 | |||
| Rocky Mountain Wolf | Stuart | Kroonenberg | M | Highlands Ranch | Colorado | USA | USA | 2004 Furnace Creek 508 | 35 | Solo | FIN | 36:34:10 | 3 | ||
| Rocky Mountain Wolf | Stuart | Kroonenberg | M | Highlands Ranch | Colorado | USA | USA | 2006 Furnace Creek 508 | 38 | Solo | FIN | 33:24:01 | 3 | ||
| Rocky the Squirrel | Ole | Eichhorn | M | Westlake Village | California | USA | USA | 2009 Furnace Creek 508 | 50 | Solo | DNF | 1 | |||
| Rocky the Squirrel | Ole | Eichhorn | M | Westlake Village | California | USA | USA | 2011 Furnace Creek 508 | 53 | Solo | DNF | 1 | |||
| Rodents of Unusual Size | Sandy | Earl | F | Arcata | California | USA | USA | 2016 Silver State 508 | 53 | Two Mixed Recumbent | DNF | 1 | |||
| Rodents of Unusual Size | Bill | Spaeth | M | Arcata | California | USA | USA | 2016 Silver State 508 | 56 | Two Mixed Recumbent | DNF | 3 | |||
| Rogue Steelhead | Jim | Fety | M | Rogue River | Oregon | USA | USA | 2018 Silver State 508 | 68 | Four Man | FIN | 33:18:38 | 1 | ||
| Rogue Steelhead | Robert | Gibson | M | Rogue River | Oregon | USA | USA | 2018 Silver State 508 | 50 | Four Man | FIN | 33:18:38 | 1 | ||
| Rogue Steelhead | Dana | Petersen | M | Medford | Oregon | USA | USA | 2018 Silver State 508 | 59 | Four Man | FIN | 33:18:38 | 1 | ||
| Rogue Steelhead | Dean | Stirm | M | Rogue River | Oregon | USA | USA | 2018 Silver State 508 | 57 | Four Man | FIN | 33:18:38 | 1 | ||
| Rollie Pollie | Bruce | Christensen | M | Northridge | California | USA | USA | 2004 Furnace Creek 508 | 51 | Two Man | FIN | 36:35:10 | 1 | ||
| Rollie Pollie | Loren | Ortiz | M | Chino | California | USA | USA | 2004 Furnace Creek 508 | 33 | Two Man | FIN | 36:35:10 | 1 | ||
| Rook | Doug | Phillis | M | Cincinnati | Ohio | USA | USA | 2007 Furnace Creek 508 | 48 | Solo | FIN | 46:56:18 | 1 | ||
| Rooster | Michael | Ross | M | USA | USA | 1996 Furnace Creek 508 | 42 | Solo | FIN | 38:15:35 | 1 | ||||
| Rottweiler | Ralph | Jacobson | M | Santa Clarita | California | USA | USA | 2006 Furnace Creek 508 | 46 | Solo | FIN | 42:02:12 | 2 | ||
| Rottweiler | Ralph | Jacobson | M | Santa Clarita | California | USA | USA | 2008 Furnace Creek 508 | 48 | Solo | FIN | 42:06:19 | 2 | ||
| Rottweiler | Ralph | Jacobson | M | Santa Clarita | California | USA | USA | 2009 Furnace Creek 508 | 49 | Solo | DNF | 2 | |||
| Rottwheeler | Matthew | Kunnari | M | Los Altos | California | USA | USA | 2010 Furnace Creek 508 | 20 | Four Man | FIN | 41:57:25 | A family of four: mom, dad, and 2 sons! | 2 | |
| Rottwheeler | Howard | Mason | M | Los Altos | California | USA | USA | 2010 Furnace Creek 508 | 68 | Four Man | FIN | 41:57:25 | A family of four: mom, dad, and 2 sons! | 2 | |
| Rottwheeler | Nancy | Mason | F | Los Altos | California | USA | USA | 2010 Furnace Creek 508 | 49 | Four Man | FIN | 41:57:25 | A family of four: mom, dad, and 2 sons! | 4 | |
| Rottwheeler | Neale | Mason | M | Los Altos | California | USA | USA | 2010 Furnace Creek 508 | 22 | Four Man | FIN | 41:57:25 | A family of four: mom, dad, and 2 sons! | 2 | |
| Rottwheeler | William | Bittancourt | M | Santa Barbara | California | USA | USA | 2011 Furnace Creek 508 | 45 | Two Mixed | FIN | 40:07:06 | 1 | ||
| Rottwheeler | Nancy | Mason | F | Los Altos | California | USA | USA | 2011 Furnace Creek 508 | 50 | Two Mixed | FIN | 40:07:06 | 4 | ||
| Rottwheeler | Howard | Mason | M | Los Altos | California | USA | USA | 2012 Furnace Creek 508 | 70 | Two Mixed | DNF | 2 | |||
| Rottwheeler | Nancy | Mason | F | Los Altos | California | USA | USA | 2012 Furnace Creek 508 | 51 | Two Mixed | DNF | 4 | |||
| Rottwheeler | Keith | Mason | M | Boulder | Colorado | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 25 | Four Man | FIN | 28:36:00 | 2 | ||
| Rottwheeler | Nancy | Mason | F | Los Altos | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 52 | Four Man | FIN | 28:36:00 | 4 | ||
| Rottwheeler | James | Thurber | M | Mountain View | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 61 | Four Man | FIN | 28:36:00 | 1 | ||
| Rottwheeler | Jason | Thurber | M | Corvallis | Oregon | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 37 | Four Man | FIN | 28:36:00 | 1 | ||
| Rubber Duck | Wayne | Rosenthal | M | Bakersfield | California | USA | USA | 2002 Furnace Creek 508 | 42 | Solo | FIN | 35:26:45 | New Qual. | 1 | |
| Running Terrier | Omar | Spina | M | Oak Park | California | USA | USA | 2011 Furnace Creek 508 | 39 | Solo | FIN | 47:05:28 | 2 | ||
| Rusty Dogs Of War | Caleb | Cline | M | Henderson | Nevada | USA | USA | 2020 Silver State 508 | 28 | Solo Recumbent | DNF | ||||
| Rusty Dogs of War | Caleb | Sprayberry | M | Pahrump | Nevada | USA | USA | 2023 Silver State 508 | N/A | Solo | FIN | 34:03:38 | 1 | ||
| Sabertooth Salmon | John | Spurgeon | M | Hillsboro | Oregon | USA | USA | 2005 Furnace Creek 508 | 35 | Solo Fixed Gear | FIN | 45:47:40 | 1 | ||
| Sabertooth Tiger | Kathy | Simko | F | Arizona | USA | USA | 1996 Furnace Creek 508 | 33 | Solo | FIN | 38:45:05 | 1 | |||
| Sailfish | Craig | Morganson | M | Las Vegas | Nevada | USA | USA | 2003 Furnace Creek 508 | 44 | Two Man | FIN | 29:44:01 | 1 | ||
| Sailfish | Erik | Skramstad | M | Henderson | Nevada | USA | USA | 2003 Furnace Creek 508 | 25 | Two Man | FIN | 29:44:01 | 8 | HOF | |
| Salamander | Joe | Clapper | M | Vienna | Virginia | USA | USA | 2003 Furnace Creek 508 | 44 | Four Man | FIN | 36:13:41 | 1 | ||
| Salamander | Allan | Stam | M | Lyme | New Hampshire | USA | USA | 2003 Furnace Creek 508 | 41 | Four Man | FIN | 36:13:41 | 1 | ||
| Salamander | Cynthia | Stam | M | Lyme | New Hampshire | USA | USA | 2003 Furnace Creek 508 | 37 | Four Man | FIN | 36:13:41 | 1 | ||
| Salamander | Eric | Wakin | M | New York | New York | USA | USA | 2003 Furnace Creek 508 | 40 | Four Man | FIN | 36:13:41 | 1 | ||
| Saluki | Lorraine | Gersitz | F | Fullerton | California | USA | USA | 2002 Furnace Creek 508 | 48 | Two Mixed | FIN | 31:12:49 | Record | 2 | |
| Saluki | Jeff | Stevenson | M | Solvang | California | USA | USA | 2002 Furnace Creek 508 | 56 | Two Mixed | FIN | 31:12:49 | Record | 5 | HOF |
| Saluki | Mike | Burns | M | Yorba Linda | California | USA | USA | 2003 Furnace Creek 508 | 55 | Four Mixed | FIN | 29:38:34 | Course Record! | 1 | |
| Saluki | Deborah | Caplan | F | Agoura Hills | California | USA | USA | 2003 Furnace Creek 508 | 38 | Four Mixed | FIN | 29:38:34 | Course Record! | 2 | |
| Saluki | Lorraine | Gersitz | F | Fullerton | California | USA | USA | 2003 Furnace Creek 508 | 49 | Four Mixed | FIN | 29:38:34 | Course Record! | 2 | |
| Saluki | Jeff | Stevenson | M | Solvang | California | USA | USA | 2003 Furnace Creek 508 | 57 | Four Mixed | FIN | 29:38:34 | Course Record! | 5 | HOF |
| Saluki | Jeff | Stevenson | M | Solvang | California | USA | USA | 2004 Furnace Creek 508 | 58 | Solo | FIN | 39:45:10 | 5 | HOF | |
| Saluki | Jeff | Stevenson | M | Solvang | California | USA | USA | 2005 Furnace Creek 508 | 59 | Solo | FIN | 35:38:45 | 5 | HOF | |
| Saluki | Jeff | Stevenson | M | Solvang | California | USA | USA | 2007 Furnace Creek 508 | 61 | Solo | DNF | 5 | HOF | ||
| Saluki | Jeff | Stevenson | M | Solving | California | USA | USA | 2012 Furnace Creek 508 | 66 | Solo | FIN | 45:46:15 | 5 | HOF | |
| Sand Shark | Sandy | Pflug | M | Los Angeles | California | USA | USA | 2005 Furnace Creek 508 | 47 | Solo | DNF | ||||
| Sandhill Cranes | Dan | Crain | M | Irvine | California | USA | USA | 2009 Furnace Creek 508 | 64 | Two Mixed | FIN | 39:13:41 | 7 | HOF | |
| Sandhill Cranes | Isabelle | Drake | F | Laguna Beach | California | USA | USA | 2009 Furnace Creek 508 | 56 | Two Mixed | FIN | 39:13:41 | 7 | HOF | |
| Sanguine Octopus | Brandon | Tinianov | M | Santa clara | California | USA | USA | 2014 Trona 308 | 44 | Solo | FIN | 22:45:00 | 2 | ||
| Sanguine Octopus | Rebecca | Eckland | F | Reno | Nevada | USA | USA | 2015 Silver State 508 | 33 | Two Mixed | FIN | 29:47:21 | 7 | HOF | |
| Sanguine Octopus | Brandon | Tinianov | M | Santa Clara | California | USA | USA | 2015 Silver State 508 | 46 | Two Mixed | FIN | 29:47:21 | 2 | ||
| Sasquatch | Steve | Ilg | M | Santa Fe | New Mexico | USA | USA | 1996 Furnace Creek 508 | 34 | Four Man | FIN | 24:53:01 | 2 | ||
| Sasquatch | Ron | Jones | M | Bakersfield | California | USA | USA | 1996 Furnace Creek 508 | 36 | Four Man | FIN | 24:53:01 | 6 | HOF | |
| Sasquatch | Keith | Kostman | M | Paris | France | USA | 1996 Furnace Creek 508 | 33 | Four Man | FIN | 24:53:01 | 2 | |||
| Sasquatch | Roy | Wallack | M | California | USA | USA | 1996 Furnace Creek 508 | 40 | Four Man | FIN | 24:53:01 | 2 | |||
| Sasquatch | Steve | Ilg | M | Tarzana | California | USA | USA | 2004 Furnace Creek 508 | 43 | Four Man | FIN | 31:45:32 | COURSE RECORD | 2 | |
| Sasquatch | Ron | Jones | M | Lawrenceville | Georgia | USA | USA | 2004 Furnace Creek 508 | 44 | Four Man | FIN | 31:45:32 | COURSE RECORD | 6 | HOF |
| Sasquatch | Keith | Kostman | M | Minneapolis | Minnesota | USA | USA | 2004 Furnace Creek 508 | 41 | Four Man | FIN | 31:45:32 | COURSE RECORD | 2 | |
| Sasquatch | Roy | Wallack | M | Irvine | California | USA | USA | 2004 Furnace Creek 508 | N/A | Four Man | FIN | 31:45:32 | COURSE RECORD | 2 | |
| Sassy Shark | Kristy | Breslaw | F | Boca Raton | Florida | USA | USA | 2018 Silver State 508 | 47 | Two Woman | FIN | 36:30:59 | 1 | ||
| Sassy Shark | Helena | Redshaw | F | Coconut Creek | Florida | USA | USA | 2018 Silver State 508 | 46 | Two Woman | FIN | 36:30:59 | 1 | ||
| Sawfish | Scott | Scheff | M | Tucson | Arizona | USA | USA | 1995 Furnace Creek 508 | 21 | Solo | DNF | ||||
| Sawfish | Scott | Scheff | M | Tucson | Arizona | USA | USA | 1997 Furnace Creek 508 | 23 | Solo | DNF | ||||
| Scalded Monkey | Jason | Rezell | M | Yorba Linda | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 39 | Two Man | FIN | 22:58:00 | 1 | ||
| Scalded Monkey | Joseph | Rezell | M | Libertyville | Illinois | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 51 | Two Man | FIN | 22:58:00 | 1 | ||
| Scarab | Peter | Burnett | M | Grass Valley | California | USA | USA | 2009 Furnace Creek 508 | 47 | Two Tandem | FIN | 31:25:12 | 1 | ||
| Scarab | Robert | Choi | M | Gilroy | California | USA | USA | 2009 Furnace Creek 508 | 48 | Two Tandem | FIN | 31:25:12 | 2 | ||
| Scarab | Craig | Robertson | M | Los Altos | California | USA | USA | 2009 Furnace Creek 508 | 52 | Two Tandem | FIN | 31:25:12 | 6 | HOF | |
| Scarab | Steve | Smead | M | Lincoln | California | USA | USA | 2009 Furnace Creek 508 | 45 | Two Tandem | FIN | 31:25:12 | 1 | ||
| Scarab | Lyresa | Pleskovitch | F | East Palo Alto | California | USA | USA | 2012 Furnace Creek 508 | 46 | Two Mixed | FIN | 33:03:15 | 1 | ||
| Scarab | Craig | Robertson | M | Los Altos | California | USA | USA | 2012 Furnace Creek 508 | 55 | Two Mixed | FIN | 33:03:15 | 6 | HOF | |
| Scarlet Macaw | Susan | Forsman | F | Morgan Hill | California | USA | USA | 2010 Furnace Creek 508 | 40 | Solo Fixed Gear | FIN | 41:38:55 | New women's fixed gear course record | 1 | |
| Scarlett Fairy Cup | Monica | Scholz | F | Jerseyville | Ontario | Canada | Canada | 2004 Furnace Creek 508 | 37 | Solo | FIN | 44:29:15 | DEATH VALLEY CUP WINNER | 2 | |
| Scarlett Fairy Cup | Monica | Scholz | F | Jerseyville | Ontario | Canada | Canada | 2006 Furnace Creek 508 | 39 | Solo | FIN | 40:00:02 | Death Valley Cup | 2 | |
| Scorpion | Steve | Winfrey | M | Camarillo | California | USA | USA | 1998 Furnace Creek 508 | 44 | Solo | FIN | 41:48:25 | 7 | HOF | |
| Scorpion | Steve | Winfrey | M | Camarillo | California | USA | USA | 1999 Furnace Creek 508 | 45 | Solo | FIN | 36:14:25 | RQ | 7 | HOF |
| Scorpion | Steve | Winfrey | M | Camarillo | California | USA | USA | 2000 Furnace Creek 508 | 46 | Solo | FIN | 37:10:40 | 7 | HOF | |
| Scorpion | Steve | Winfrey | M | Camarillo | California | USA | USA | 2001 Furnace Creek 508 | 47 | Solo | FIN | 41:28:00 | 7 | HOF | |
| Scorpion | Steve | Winfrey | M | Camarillo | California | USA | USA | 2002 Furnace Creek 508 | 48 | Solo | DNF | 7 | HOF | ||
| Scorpion | Steve | Winfrey | M | Camarillo | California | USA | USA | 2003 Furnace Creek 508 | 49 | Solo | FIN | 43:26:31 | 7 | HOF | |
| Scorpion | Steve | Winfrey | M | Camarillo | California | USA | USA | 2004 Furnace Creek 508 | 50 | Solo | DNF | too windy | 7 | HOF | |
| Scorpion | Steve | Winfrey | M | Camarillo | California | USA | USA | 2006 Furnace Creek 508 | 52 | Solo | FIN | 44:58:14 | 7 | HOF | |
| Scoters | Pierre | Neu | M | Winters | California | USA | USA | 1999 Furnace Creek 508 | 55 | Four Man | FIN | 27:13:35 | 1 | ||
| Scoters | Craig | Robertson | M | Los Altos | California | USA | USA | 1999 Furnace Creek 508 | 42 | Four Man | FIN | 27:13:35 | 6 | HOF | |
| Scoters | Dan | Shadoan | M | Davis | California | USA | USA | 1999 Furnace Creek 508 | 52 | Four Man | FIN | 27:13:35 | 2 | ||
| Scoters | Wayne | Woodside | M | Sacramento | California | USA | USA | 1999 Furnace Creek 508 | 53 | Four Man | FIN | 27:13:35 | 1 | ||
| Screamin Eagles | Herb | Benham | M | Bakersfield | California | USA | USA | 1999 Furnace Creek 508 | 45 | Four Man | FIN | 24:51:24 | 2 | ||
| Screamin Eagles | Courtland | Keith | M | Campbell | California | USA | USA | 1999 Furnace Creek 508 | 31 | Four Man | FIN | 24:51:24 | 2 | ||
| Screamin Eagles | Curt F. | Kunzmann | M | Bakersfield | California | USA | USA | 1999 Furnace Creek 508 | 40 | Four Man | FIN | 24:51:24 | 2 | ||
| Screamin Eagles | James A. | Poteete | M | Bakersfield | California | USA | USA | 1999 Furnace Creek 508 | 39 | Four Man | FIN | 24:51:24 | 2 | ||
| Screamin Eagles | Ron | Jones | M | Bakersfield | California | USA | USA | 2000 Furnace Creek 508 | 39 | Four Man | FIN | 25:03:45 | 6 | HOF | |
| Screamin Eagles | Courtland | Keith | M | San Jose | California | USA | USA | 2000 Furnace Creek 508 | 32 | Four Man | FIN | 25:03:45 | 2 | ||
| Screamin Eagles | Curt F. | Kunzmann | M | Bakersfield | California | USA | USA | 2000 Furnace Creek 508 | 41 | Four Man | FIN | 25:03:45 | 2 | ||
| Screamin Eagles | James A. | Poteete | M | Bakersfield | California | USA | USA | 2000 Furnace Creek 508 | 40 | Four Man | FIN | 25:03:45 | 2 | ||
| Screaming Hairy Armadillos | Meg | Knobel | F | San Diego | California | USA | USA | 2019 Silver State 508 | 34 | Four Man Fixed Gear Open | FIN | 31:14:57 | 1 | ||
| Screaming Hairy Armadillos | Greg | Kogut | M | San Diego | California | USA | USA | 2019 Silver State 508 | 45 | Four Man Fixed Gear Open | FIN | 31:14:57 | 1 | ||
| Screaming Hairy Armadillos | Zackery | Sosnowski | M | San Diego | California | USA | USA | 2019 Silver State 508 | 34 | Four Man Fixed Gear Open | FIN | 31:14:57 | 1 | ||
| Screaming Hairy Armadillos | Paul | Tourkin | M | San Diego | California | USA | USA | 2019 Silver State 508 | 56 | Four Man Fixed Gear Open | FIN | 31:14:57 | 3 | ||
| Sea Dragon | Sara Kay | Carrell | F | Hays | Kansas | USA | USA | 2007 Furnace Creek 508 | 30 | Two Mixed Recumbent | FIN | 36:51:22 | 3 | ||
| Sea Dragon | Dana | Lieberman | M | North Hollywood | California | USA | USA | 2007 Furnace Creek 508 | 39 | Two Mixed Recumbent | FIN | 36:51:22 | 5 | HOF | |
| Sea Dragon | Sara Kay | Carrell | F | Hays | Kansas | USA | USA | 2008 Furnace Creek 508 | 31 | Two Mixed Recumbent | FIN | 35:58:54 | 3 | ||
| Sea Dragon | Dana | Lieberman | M | North Hollywood | California | USA | USA | 2008 Furnace Creek 508 | 40 | Two Mixed Recumbent | FIN | 35:58:54 | 5 | HOF | |
| Sea Dragon | Dana | Lieberman | M | Valley Village | California | USA | USA | 2012 Furnace Creek 508 | 44 | Solo Recumbent | FIN | 46:28:12 | 5 | HOF | |
| Sea Horse | James | Severance | M | Rockford | Michigan | USA | USA | 2000 Furnace Creek 508 | 54 | Solo | FIN | 45:06:39 | 2 | ||
| Sea Horse | James | Severance | M | Driggs | Idaho | USA | USA | 2001 Furnace Creek 508 | 55 | Solo | FIN | 45:14:00 | 2 | ||
| Sea Horse | James | Severance | M | Driggs | Idaho | USA | USA | 2006 Furnace Creek 508 | 60 | Solo | DNF | 2 | |||
| Sea Lion | Kaname | Sakurai | M | Japan | Japan | 1994 Furnace Creek 508 | 30 | Solo | FIN | 32:29:20 | 2 | ||||
| Sea Lion | Kaname | Sakurai | M | Nagoya | Japan | Japan | 2000 Furnace Creek 508 | 36 | Solo | FIN | 32:31:56 | 2 | |||
| Sea Monkey | Carrie | Beers | F | Santa Monica | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 40 | Four Mixed | FIN | 21:41:00 | 2 | ||
| Sea Monkey | Abigail | Canizales | F | North Hills | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 35 | Four Mixed | FIN | 21:41:00 | 2 | ||
| Sea Monkey | Charlie | Marko | M | Sunland | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 51 | Four Mixed | FIN | 21:41:00 | 4 | ||
| Sea Monkey | Duane | McDowell | M | Canoga Park | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 54 | Four Mixed | FIN | 21:41:00 | 3 | ||
| Sea Monkeys | Christina | DeRonde | F | Calabasas | California | USA | USA | 2011 Furnace Creek 508 | 44 | Four Mixed | FIN | 32:33:36 | 3 | ||
| Sea Monkeys | Lisa | Gillmann | F | Sherman Oaks | California | USA | USA | 2011 Furnace Creek 508 | 38 | Four Mixed | FIN | 32:33:36 | 2 | ||
| Sea Monkeys | Charlie | Marko | M | Sunland | California | USA | USA | 2011 Furnace Creek 508 | 49 | Four Mixed | FIN | 32:33:36 | 4 | ||
| Sea Monkeys | Duane | McDowell | M | Canoga Park | California | USA | USA | 2011 Furnace Creek 508 | 52 | Four Mixed | FIN | 32:33:36 | 3 | ||
| Sea Monkeys | Carrie | Beers | F | Santa Monica | California | USA | USA | 2012 Furnace Creek 508 | 39 | Four Mixed | FIN | 30:37:28 | 2 | ||
| Sea Monkeys | Abigail | Canizales | F | North Hills | California | USA | USA | 2012 Furnace Creek 508 | 34 | Four Mixed | FIN | 30:37:28 | 2 | ||
| Sea Monkeys | Charlie | Marko | M | Sunland | California | USA | USA | 2012 Furnace Creek 508 | 50 | Four Mixed | FIN | 30:37:28 | 4 | ||
| Sea Monkeys | Duane | McDowell | M | Canoga Park | California | USA | USA | 2012 Furnace Creek 508 | 53 | Four Mixed | FIN | 30:37:28 | 3 | ||
| Sea Otter | Thomas | McHenry | M | Pasadena | California | USA | USA | 2004 Furnace Creek 508 | 49 | Solo | DNF | 1 | |||
| Sea Ray | Gary | Kanaby | M | Chula Vista | California | USA | USA | 2012 Furnace Creek 508 | 62 | Solo | DNF | ||||
| Sea Turtle | Thomas J. | McCoin | M | El Dorado Hills | California | USA | USA | 2003 Furnace Creek 508 | 37 | Solo | FIN | 45:18:00 | 1 | ||
| Sea Waffle | Kevin | McNulty | M | Ramona | California | USA | USA | 2008 Furnace Creek 508 | 44 | Solo | DNF | 3 | |||
| Seagull | Stefan | Schlett | M | Germany | Germany | 1996 Furnace Creek 508 | N/A | Solo | FIN | 39:56:22 | 1 | ||||
| Seal | Sam | Beal | M | Mountain View | California | USA | USA | 1999 Furnace Creek 508 | 47 | Solo | FIN | 35:42:15 | RQ | 5 | HOF |
| Seal | Sam | Beal | M | Mountian View | California | USA | USA | 2000 Furnace Creek 508 | 48 | Solo | FIN | 35:39:09 | 5 | HOF | |
| Seal | Sam | Beal | M | Mountain View | California | USA | USA | 2002 Furnace Creek 508 | 50 | Solo | FIN | 35:14:40 | Pre. Qual. | 5 | HOF |
| Seal | Sam | Beal | M | Mountain View | California | USA | USA | 2004 Furnace Creek 508 | 52 | Solo Fixed Gear | FIN | 39:10:38 | 5 | HOF | |
| Seal | Sam | Beal | M | Mountain View | California | USA | USA | 2006 Furnace Creek 508 | 54 | Solo Fixed Gear | FIN | 36:37:27 | 5 | HOF | |
| Senior Nutant Ninja Turtles | Sean | Collins | M | Agoura Hills | California | USA | USA | 2019 Silver State 508 | 52 | Four Man Open | FIN | 40:19:55 | 1 | ||
| Senior Nutant Ninja Turtles | Brian | Dooley | M | Canoga Park | California | USA | USA | 2019 Silver State 508 | 46 | Four Man Open | FIN | 40:19:55 | 2 | ||
| Senior Nutant Ninja Turtles | Ryan | Ramsey | M | Newbury Park | California | USA | USA | 2019 Silver State 508 | 50 | Four Man Open | FIN | 40:19:55 | 1 | ||
| Senior Nutant Ninja Turtles | Tom | Simonis | M | Apple Valley | California | USA | USA | 2019 Silver State 508 | 52 | Four Man Open | FIN | 40:19:55 | 1 | ||
| Sergeant Major | Erik | Skramstad | M | Henderson | Nevada | USA | USA | 2007 Furnace Creek 508 | 29 | Two Man | FIN | 31:13:02 | 8 | HOF | |
| Sergeant Major | Jon | Skramstad | M | Salt Lake City | Utah | USA | USA | 2007 Furnace Creek 508 | 32 | Two Man | FIN | 31:13:02 | 8 | HOF | |
| Serval | Tamara | Okonogi | F | Mountain View | California | USA | USA | 2004 Furnace Creek 508 | 38 | Four Woman | FIN | 39:27:05 | COURSE RECORD | 1 | |
| Serval | Karen | Rhodes | F | San Francisco | California | USA | USA | 2004 Furnace Creek 508 | 50 | Four Woman | FIN | 39:27:05 | COURSE RECORD | 2 | |
| Serval | Jennifer | Swenson | F | San Ramon | California | USA | USA | 2004 Furnace Creek 508 | 34 | Four Woman | FIN | 39:27:05 | COURSE RECORD | 1 | |
| Serval | Lori | Wensley | F | San Francisco | California | USA | USA | 2004 Furnace Creek 508 | 46 | Four Woman | FIN | 39:27:05 | COURSE RECORD | 1 | |
| Shar-Pei Kats | Dean | Albright | M | Carmichael | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 49 | Four Man | FIN | 24:35:00 | 1 | ||
| Shar-Pei Kats | Debra | Banks | F | sacramento | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 56 | Four Man | FIN | 24:35:00 | 4 | ||
| Shar-Pei Kats | Drew | Carlson | M | Davis | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 52 | Four Man | FIN | 24:35:00 | 1 | ||
| Shar-Pei Kats | Willy | Nevin | M | Pacifica | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 54 | Four Man | FIN | 24:35:00 | 5 | HOF | |
| Shark | Dwight | Bishop | M | Butte | Montana | USA | USA | 1989 October RAAM Open West | 34 | Solo | DNF | 1 | |||
| Shark | Dwight | Bishop | M | Butte | Montana | USA | USA | 1997 Furnace Creek 508 | 42 | Solo | FIN | 33:20:46 | 1 | ||
| Sheep | Brian | Stark | M | Paso Robles | California | USA | USA | 1991 October Furnace Creek 508 | 43 | Solo | FIN | 35:48:03 | 5 | HOF | |
| Sheep | Brian | Stark | M | Paso Robles | California | USA | USA | 1992 Furnace Creek 508 | 44 | Solo | FIN | 40:17:30 | 2nd solo finish | 5 | HOF |
| Sheep | Brian | Stark | M | Paso Robles | California | USA | USA | 1993 Furnace Creek 508 | 45 | Solo | FIN | 41:24:52 | 3rd Solo Finish | 5 | HOF |
| Sheephead | Patty | Bryant | F | Santa Barbara | California | USA | USA | 2011 Furnace Creek 508 | 52 | Two Mixed | FIN | 36:07:52 | 1 | ||
| Sheephead | Mark | Wieneke | M | Oak View | California | USA | USA | 2011 Furnace Creek 508 | 60 | Two Mixed | FIN | 36:07:52 | 1 | ||
| Sheephead | Mark | Wieneke | M | Arnaudville | Louisiana | USA | USA | 2012 Furnace Creek 508 | 61 | Solo | DNF | 1 | |||
| Shiba Inu | John | Quinones | M | Calabasas | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 57 | Solo | DNF | ||||
| Shongololo | Michele | Santilhano | F | Menlo Park | California | USA | South Africa | 2008 Furnace Creek 508 | 38 | Solo | FIN | 38:01:42 | 1 | ||
| Shrike | James | Kern | M | Sunnyvale | California | USA | USA | 2003 Furnace Creek 508 | 45 | Solo Recumbent | FIN | 33:43:15 | Course Record! | 4 | |
| Shrike | James | Kern | M | Sunnyvale | California | USA | USA | 2004 Furnace Creek 508 | 46 | Solo Recumbent | DNF | 4 | |||
| Shrike | James | Kern | M | Sunnyvale | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 55 | Solo Recumbent | FIN | 22:31:00 | 4 | ||
| Siafu | Steve | Sundstrom | M | Belmont | California | USA | USA | 2008 Furnace Creek 508 | 38 | Two Mixed | FIN | 40:00:08 | 1 | ||
| Siafu | Christina | Waitzman | F | Belmont | California | USA | USA | 2008 Furnace Creek 508 | 44 | Two Mixed | FIN | 40:00:08 | 9 | HOF | |
| Siberian Husky | Michael | Arenberg | M | Plymouth | Wisconsin | USA | USA | 2008 Furnace Creek 508 | 49 | Solo | FIN | 35:06:12 | 2 | ||
| Siberian Husky | Michael | Arenberg | M | O'Fallon | Illinois | USA | USA | 2010 Furnace Creek 508 | 51 | Solo | DNF | 2 | |||
| Siberian Husky | Michael | Arenberg | M | Fairview Heights | Illinois | USA | USA | 2011 Furnace Creek 508 | 52 | Solo | FIN | 36:24:21 | 2 | ||
| Siberian Tiger | Robert | Choi | M | Santa Rosa | California | USA | USA | 2012 Furnace Creek 508 | 51 | Solo | FIN | 31:06:54 | 2 | ||
| Siberian Weasel | Christopher | Pumroy | M | Kennewick | Washington | USA | USA | 2010 Furnace Creek 508 | 25 | Solo | DNF | ||||
| Sidewinder | Scott | Shipman | M | Pollock Pines | California | USA | USA | 2000 Furnace Creek 508 | 37 | Solo | DNF | 1 | |||
| Sidewinder | Scott | Shipman | M | Pollock Pines | California | USA | USA | 2001 Furnace Creek 508 | 38 | Solo | FIN | 41:57:00 | 1 | ||
| Silly Goose | Greg | Matherly | M | Encinitas | California | USA | USA | 2006 Furnace Creek 508 | 43 | Solo | FIN | 37:30:18 | 2 | ||
| Silly Goose | Greg | Matherly | M | Encinitas | California | USA | USA | 2007 Furnace Creek 508 | 44 | Solo | FIN | 34:36:42 | 2 | ||
| Silver Foxes | John T. | Clare | M | Long Beach | California | USA | USA | 2003 Furnace Creek 508 | 62 | Two Man | FIN | 29:53:01 | Course Record! | 5 | HOF |
| Silver Foxes | Dan | Crain | M | Irvine | California | USA | USA | 2003 Furnace Creek 508 | 58 | Two Man | FIN | 29:53:01 | Course Record! | 7 | HOF |
| Silver Foxes | John T. | Clare | M | Long Beach | California | USA | USA | 2006 Furnace Creek 508 | 65 | Two Man | FIN | 33:08:16 | 5 | HOF | |
| Silver Foxes | Dan | Crain | M | Irvine | California | USA | USA | 2006 Furnace Creek 508 | 61 | Two Man | FIN | 33:08:16 | 7 | HOF | |
| Silver Hare | Jesse | Santamaria | M | Norwalk | California | USA | USA | 2014 Silver State 508 | 54 | Solo | FIN | 44:00:00 | 2 | ||
| Silverback | Scott | Brown | M | Elk Grove | California | USA | USA | 2011 Furnace Creek 508 | 47 | Solo | FIN | 45:32:18 | 1 | ||
| Silverback Dragons | David | Clem | M | Southlake | Texas | USA | USA | 2019 Silver State 508 | 44 | Two Man Open | FIN | 39:39:13 | 1 | ||
| Silverback Dragons | James | Williamson | M | Southlake | Texas | USA | USA | 2019 Silver State 508 | 48 | Two Man Open | FIN | 39:39:13 | 1 | ||
| Silverback Gorilla | Ian | Clark | M | Kenmore | Washington | USA | USA | 2024 Silver State 508 | N/A | Solo | DNF | ||||
| Simorgh | Lorne | Sachs | M | Woodland | California | USA | USA | 2010 Furnace Creek 508 | 45 | Two Man | FIN | 38:05:22 | 2 | ||
| Simorgh | Paul | Vlasveld | M | San Jose | California | USA | USA | 2010 Furnace Creek 508 | 51 | Two Man | FIN | 38:05:22 | 13 | HOF | |
| Singkit | Lowie | Bautista | M | Stevenson Ranch | California | USA | USA | 2019 Silver State 508 | 50 | Solo | FIN | 44:00:00 | 1 | ||
| Sitting Duck | Eli | Kaczynski | M | Kennewick | Washington | USA | USA | 2000 Furnace Creek 508 | 56 | Solo | DNF | 1 | |||
| Sitting Duck | Eli | Kaczynski | M | Kennewick | Washington | USA | USA | 2002 Furnace Creek 508 | 58 | Solo | NOF | 45:22:30 | Note that this will not be allowed in the future and this effort does not result in a "course record" of any kind. | 1 | |
| Skeeter | Rich | Kondzielaski | M | USA | USA | 1998 Furnace Creek 508 | 44 | Solo | DNF | ||||||
| Skink | Victor | Cooper | M | Torrance | California | USA | USA | 2006 Furnace Creek 508 | 49 | Two Mixed | FIN | 35:07:13 | 5 | HOF | |
| Skink | Saralie | Liner | F | Santa Monica | California | USA | USA | 2006 Furnace Creek 508 | 53 | Two Mixed | FIN | 35:07:13 | 2 | ||
| Skink | Victor | Cooper | M | Torrance | California | USA | USA | 2009 Furnace Creek 508 | 53 | Solo | FIN | 42:32:36 | 5 | HOF | |
| Skink | Victor | Cooper | M | Torrance | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 57 | Solo | FIN | 24:34:00 | 5 | HOF | |
| Skink | Victor | Cooper | M | Torrance | California | USA | USA | 2014 Silver State 508 | 57 | Two Mixed | FIN | 34:52:00 | 5 | HOF | |
| Skink | Margaret | Howell Benson | F | El Segundo | California | USA | USA | 2014 Silver State 508 | 48 | Two Mixed | FIN | 34:52:00 | 2 | ||
| Skua | Jon | Skramstad | M | Salt Lake City | Utah | USA | USA | 2009 Furnace Creek 508 | 35 | Solo | DNF | 8 | HOF | ||
| Skua | Jon | Skramstad | M | Salt Lake City | Utah | USA | USA | 2010 Furnace Creek 508 | 36 | Solo | FIN | 45:19:37 | 8 | HOF | |
| Skunk | Lanie | Smith | F | Texas | USA | USA | 1994 Furnace Creek 508 | 49 | Tandem Mixed | DNF | |||||
| Skunk | Rose | Smith | M | Texas | USA | USA | 1994 Furnace Creek 508 | 49 | Tandem Mixed | DNF | |||||
| Skylark | Brian | Terczynski | M | San Diego | California | USA | USA | 2012 Furnace Creek 508 | 38 | Solo | FIN | 46:51:35 | 1 | ||
| Sloth | Erik | Skramstad | M | Henderson | Nevada | USA | USA | 2004 Furnace Creek 508 | 26 | Solo | DNF | knees; too windy | 8 | HOF | |
| Sloth | Erik | Skramstad | M | Henderson | Nevada | USA | USA | 2006 Furnace Creek 508 | 28 | Solo | FIN | 39:00:06 | 8 | HOF | |
| Sloth Armada | Jay | Battleson | M | Bend | Oregon | USA | USA | 2022 Silver State 508 | 47 | Four Mixed | FIN | 31:59:00 | 4 | ||
| Sloth Armada | Tracy | Fisher | F | Henderson | Nevada | USA | USA | 2022 Silver State 508 | 55 | Four Mixed | FIN | 31:59:00 | 5 | HOF | |
| Sloth Armada | Andy | Lee | M | Salt Lake City | Utah | USA | USA | 2022 Silver State 508 | 62 | Four Mixed | FIN | 31:59:00 | 5 | HOF | |
| Sloth Armada | Erik | Skramstad | M | Boulder City | Nevada | USA | USA | 2022 Silver State 508 | 44 | Four Mixed | FIN | 31:59:00 | 8 | HOF | |
| Slow Hippo | Jan | Kraemer | M | Guaynabo | Puerto Rico | USA | 2016 Silver State 508 | 39 | Solo | FIN | 32:35:00 | 1 | |||
| Slow Loris | Lisa | Bliss | F | Spokane | Washington | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 45 | Solo | FIN | 27:20:00 | TP | 3 | |
| Slug | Peter | Dowhan | M | Acton | California | USA | USA | 2001 Furnace Creek 508 | 49 | Four Man | FIN | 29:49:00 | 2 | ||
| Slug | Jairo | Marin | M | Cowan Heights | California | USA | USA | 2001 Furnace Creek 508 | 47 | Four Man | FIN | 29:49:00 | 1 | ||
| Slug | Tom | Okane | M | Valencia | California | USA | USA | 2001 Furnace Creek 508 | 52 | Four Man | FIN | 29:49:00 | 1 | ||
| Slug | Chris | Vigil | M | California | USA | USA | 2001 Furnace Creek 508 | 38 | Four Man | FIN | 29:49:00 | 1 | |||
| Smiledon | Adam | Kingsford | M | Lone Pine, | California | USA | USA | 2005 Furnace Creek 508 | 34 | Solo | FIN | 46:39:25 | 1 | ||
| Smiley Coyotes | Bob | Nicholson | M | Atascadero | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 49 | Two Man | FIN | 21:41:00 | 1 | ||
| Smiley Coyotes | Scott | Peterson | M | Tempelton | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 30 | Two Man | FIN | 21:41:00 | 1 | ||
| Smokey Bear | Pete | Masiel | M | El Cajon | California | USA | USA | 2007 Furnace Creek 508 | 48 | Solo | DNF | 1 | |||
| Smoking Loon | Roberto I. | Crespo | M | Pasadena | California | USA | USA | 2007 Furnace Creek 508 | 34 | Four Man | FIN | 32:12:16 | 2 | ||
| Smoking Loon | Andrew | Popinski | M | Alhambra | California | USA | USA | 2007 Furnace Creek 508 | 45 | Four Man | FIN | 32:12:16 | 1 | ||
| Smoking Loon | Bruce | Rauhe | M | Monrovia | California | USA | USA | 2007 Furnace Creek 508 | 44 | Four Man | FIN | 32:12:16 | 2 | ||
| Smoking Loon | Haroon | Said | M | Pasadena | California | USA | USA | 2007 Furnace Creek 508 | 46 | Four Man | FIN | 32:12:16 | 2 | ||
| Smoking Loon | Peter | Casciani | M | Pasadena | California | USA | USA | 2008 Furnace Creek 508 | 37 | Four Man | FIN | 31:07:20 | 1 | ||
| Smoking Loon | Roberto I. | Crespo | M | Pasadena | California | USA | USA | 2008 Furnace Creek 508 | 35 | Four Man | FIN | 31:07:20 | 2 | ||
| Smoking Loon | Bruce | Rauhe | M | Monrovia | California | USA | USA | 2008 Furnace Creek 508 | 45 | Four Man | FIN | 31:07:20 | 2 | ||
| Smoking Loon | Haroon | Said | M | Pasadena | California | USA | United Kingdom | 2008 Furnace Creek 508 | 47 | Four Man | FIN | 31:07:20 | 2 | ||
| Snail | Martin | Meyer | M | Oakland | California | USA | Germany | 2014 Trona 308 | 50 | Solo Randonneur | FIN | 26:14:00 | |||
| Snail Darter | Anne | Schneider | F | Davis | California | USA | USA | 1998 Furnace Creek 508 | 50 | Solo | FIN | 42:31:45 | Course Record, 2: one solo, one team | 6 | HOF |
| Snail Darter | Anne | Schneider | F | Davis | California | USA | USA | 2001 Furnace Creek 508 | 53 | Solo | FIN | 45:18:00 | 6 | HOF | |
| Snail Darters | Marcia | Gibbs | F | Winters | California | USA | USA | 1996 Furnace Creek 508 | 45 | Four Woman | FIN | 30:51:38 | 2 | ||
| Snail Darters | Susan | Gishi | F | Davis | California | USA | USA | 1996 Furnace Creek 508 | 44 | Four Woman | FIN | 30:51:38 | 2 | ||
| Snail Darters | Anne | Schneider | F | Davis | California | USA | USA | 1996 Furnace Creek 508 | 48 | Four Woman | FIN | 30:51:38 | 6 | HOF | |
| Snail Darters | Lois | Springsteen | F | Santa Cruz | California | USA | USA | 1996 Furnace Creek 508 | 44 | Four Woman | FIN | 30:51:38 | 2 | ||
| Snail Darters | Marcia | Gibbs | F | Winters | California | USA | USA | 2002 Furnace Creek 508 | 51 | Four Woman | FIN | 2 | |||
| Snail Darters | Susan | Gishi | F | Davis | California | USA | USA | 2002 Furnace Creek 508 | 50 | Four Woman | FIN | 2 | |||
| Snail Darters | Anne | Schneider | F | Davis | California | USA | USA | 2002 Furnace Creek 508 | 54 | Four Woman | FIN | 6 | HOF | ||
| Snail Darters | Lois | Springsteen | F | Santa Cruz | California | USA | USA | 2002 Furnace Creek 508 | 50 | Four Woman | FIN | 2 | |||
| Snake | Scott | Smith | M | St. George | Utah | USA | USA | 1996 Furnace Creek 508 | 34 | Solo | FIN | 38:04:05 | 1 | ||
| Snake | Scott | Smith | M | St. George | Utah | USA | USA | 1997 Furnace Creek 508 | 35 | Solo | DNF | 1 | |||
| Snakehead | Tony | Cauchi | M | Springfield | Missouri | USA | USA | 2010 Furnace Creek 508 | 38 | Solo | DNF | ||||
| Snapping Turtles | E.J. | Harpham | M | Long Beach | California | USA | USA | 1993 Furnace Creek 508 | 37 | Tandem Mixed | DNF | ||||
| Snapping Turtles | Rick | Stark | M | California | USA | USA | 1993 Furnace Creek 508 | 36 | Tandem Mixed | DNF | 2 | ||||
| Sneaky Snake | Joseph | Monahan | M | San Francisco | California | USA | USA | 2012 Furnace Creek 508 | 32 | Solo | FIN | 46:59:04 | 1 | ||
| Snipe | Glen | Plake | M | Silver Springs | Nevada | USA | USA | 2016 Silver State 508 | 52 | Solo | FIN | 40:40:00 | 6 | HOF | |
| Snipe | Trevor | Hartzell | M | Silver Springs | Nevada | USA | USA | 2020 Silver State 508 | 32 | Two Man Open | FIN | 32:30:07 | 3 | ||
| Snipe | Glen | Plake | M | Silver Springs | Nevada | USA | USA | 2020 Silver State 508 | 56 | Two Man Open | FIN | 32:30:07 | 6 | HOF | |
| Snipe | Trevor | Hartzell | M | Silver Springs | Nevada | USA | USA | 2022 Silver State 508 | 34 | Two Man | FIN | 32:30:00 | 3 | ||
| Snipe | Glen | Plake | M | Silver Springs | Nevada | USA | USA | 2022 Silver State 508 | 58 | Two Man | FIN | 32:30:00 | 6 | HOF | |
| Snipe | Trevor | Hartzell | M | Silver Springs | Nevada | USA | USA | 2023 Silver State 508 | N/A | Four Mixed | FIN | 31:22:18 | 3 | ||
| Snipe | Brandyn | Hermann | M | Silver Springs | Nevada | USA | USA | 2023 Silver State 508 | N/A | Four Mixed | FIN | 31:22:18 | 1 | ||
| Snipe | Glen | Plake | M | Silver Springs | Nevada | USA | USA | 2023 Silver State 508 | N/A | Four Mixed | FIN | 31:22:18 | 6 | HOF | |
| Snipe | Kimberly | Plake | F | Silver Springs | Nevada | USA | USA | 2023 Silver State 508 | N/A | Four Mixed | FIN | 31:22:18 | 1 | ||
| Snipe | Glen | Plake | M | Silver Springs | Nevada | USA | USA | 2024 Silver State 508 | N/A | Solo | FIN | 45:31:50 | 6 | HOF | |
| Snoopy | Jon | Shellenbarger | M | Anaheim | California | USA | USA | 2009 Furnace Creek 508 | 37 | Solo | FIN | 42:16:25 | 9 | HOF | |
| Snoopy | Jon | Shellenbarger | M | Anaheim | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 41 | Solo | FIN | 26:55:00 | 9 | HOF | |
| Snoopy and the Red Baron | Joe | Frank | M | San Diego | California | USA | USA | 2015 Silver State 508 | 30 | Two Man | FIN | 37:43:35 | 1 | ||
| Snoopy and the Red Baron | Jon | Shellenbarger | M | Anaheim | California | USA | USA | 2015 Silver State 508 | 43 | Two Man | FIN | 37:43:35 | 9 | HOF | |
| Snow Goose | Keith | Frick | M | Casper | Wyoming | USA | USA | 2007 Furnace Creek 508 | 50 | Solo | FIN | 46:41:14 | 1 | ||
| Snow Kitty | Patty Jo | Struve | F | Modesto | California | USA | USA | 2001 Furnace Creek 508 | 45 | Solo | FIN | 41:59:00 | 4 | ||
| Snow Leopard | Mike | Trevino | M | San Diego | California | USA | USA | 2006 Furnace Creek 508 | 31 | Solo | FIN | 29:41:11 | 1 | ||
| Snow Owl | Stig | Lundgaard | M | Skovlunde | Denmark | Denmark | 2003 Furnace Creek 508 | 34 | Solo | FIN | 38:30:58 | 1 | |||
| Snowdarter | Anne | Schneider | F | Davis | California | USA | USA | 2008 Furnace Creek 508 | 61 | Two Woman | FIN | 34:53:07 | 6 | HOF | |
| Snowdarter | Patty Jo | Struve | F | Arnold | California | USA | USA | 2008 Furnace Creek 508 | 53 | Two Woman | FIN | 34:53:07 | 4 | ||
| Snowflies | Dusty | Dustyn | F | Valley Springs | California | USA | USA | 2015 Silver State 508 | 64 | Two Woman | FIN | 36:33:33 | 3 | ||
| Snowflies | Patty Jo | Struve | F | Pleasant Hill | California | USA | USA | 2015 Silver State 508 | 59 | Two Woman | FIN | 36:33:33 | 4 | ||
| Snowshoe Hare | Peter | Oyler | M | Toronto | Ontario | Canada | Canada | 2014 Silver State 508 | 44 | Two Mixed | FIN | 30:06:00 | 2 | ||
| Snowshoe Hare | Janet | Wilson | F | Toronto | Ontario | Canada | Canada | 2014 Silver State 508 | 54 | Two Mixed | FIN | 30:06:00 | 1 | ||
| Sock Monkey | Darwin | Holt | M | Edmonton | Alberta | Canada | Canada | 2010 Furnace Creek 508 | 48 | Solo | FIN | 46:31:04 | 1 | ||
| Sockeye Salmon | John | Salmon | M | El Dorado Hill | California | USA | USA | 2009 Furnace Creek 508 | 41 | Solo | DNF | 1 | |||
| Sockeye Salmon | John | Salmon | M | El Dorado Hill | California | USA | USA | 2010 Furnace Creek 508 | 42 | Solo | FIN | 43:26:55 | 1 | ||
| Sonora Roadrunner | Mark | Mandel | M | Green Valley | Arizona | USA | USA | 2015 Silver State 508 | 58 | Solo | FIN | 37:50:40 | 1 | ||
| Sooty Shearwater | Jennifer | Scharf | F | Henderson | Nevada | USA | USA | 2009 Furnace Creek 508 | 26 | Solo | DNF | ||||
| Sooty Shearwater | Jennifer | Scharf | F | Henderson | Nevada | USA | USA | 2010 Furnace Creek 508 | 27 | Solo | DNF | ||||
| Southern Vole | Joel | Sothern | M | Laguna Niguel | California | USA | USA | 2007 Furnace Creek 508 | 49 | Solo | FIN | 31:21:18 | 6 | HOF | |
| Southern Vole | Joel | Sothern | M | Laguna Niguel | California | USA | USA | 2008 Furnace Creek 508 | 51 | Solo | FIN | 29:58:16 | New men's 50+ course record! | 6 | HOF |
| Space Bear | Tyler | Pearce | M | Bass Lake | California | USA | USA | 2022 Silver State 508 | 37 | Solo | FIN | 29:26:00 | 1 | ||
| Sparklemuffin Spider | Lisa | Bliss | F | Ellensburg | Washington | USA | USA | 2025 The 508 | 57 | Two Mixed Open | FIN | 33:11:25 | Null | 3 | |
| Sparklemuffin Spider | Tim | Englund | M | Ellensburg | Washington | USA | USA | 2025 The 508 | 59 | Two Mixed Open | FIN | 33:11:25 | Null | 2 | |
| Sparrow | Ron | Shepston | M | Silverado | California | USA | USA | 1990 October RAAM Open West | 43 | Solo | DNF | 3 | |||
| Sparrow | Ron | Shepston | M | Fountain Valley | California | USA | USA | 1992 Furnace Creek 508 | 45 | Solo | FIN | 38:49:27 | 3 | ||
| Sparrow | Ron | Shepston | M | Silverado | California | USA | USA | 1994 Furnace Creek 508 | 47 | Solo | FIN | 37:47:47 | 2nd solo finish | 3 | |
| Sparrow | Ron | Shepston | M | Silverado | California | USA | USA | 1995 Furnace Creek 508 | 48 | Solo | DNF | 3 | |||
| Sparrow | Ron | Shepston | M | Silverado | California | USA | USA | 1996 Furnace Creek 508 | 49 | Solo | DNF | 3 | |||
| Sparrow | Ron | Shepston | M | Silverado | California | USA | USA | 1997 Furnace Creek 508 | 50 | Solo | DNF | 3 | |||
| Sparrow | Michael | Shepston | M | Cave Creek | Arizona | USA | USA | 2010 Furnace Creek 508 | 53 | Two Man | FIN | 44:46:13 | 3 | ||
| Sparrow | Ron | Shepston | M | Silverado | California | USA | USA | 2010 Furnace Creek 508 | 63 | Two Man | FIN | 44:46:13 | 3 | ||
| Sparrow | Tom | Shepard | M | Rancho Palos Verdes | California | USA | USA | 2011 Furnace Creek 508 | 49 | Two Man | DNF | ||||
| Sparrow | Ron | Shepston | M | Silverado | California | USA | USA | 2011 Furnace Creek 508 | 64 | Two Man | DNF | 3 | |||
| Sparrow | Michael | Shepston | M | Cave Creek | Arizona | USA | USA | 2012 Furnace Creek 508 | 55 | Two Man | DNF | 3 | |||
| Sparrow | Ron | Shepston | M | Silverado | California | USA | USA | 2012 Furnace Creek 508 | 65 | Two Man | DNF | 3 | |||
| Sparrow Hawk | Paul V. | Biron | M | Sherman Oaks | California | USA | USA | 2001 Furnace Creek 508 | 39 | Solo | FIN | 35:04:00 | RQ | 1 | |
| Speedy Turtle | Thomas | Zaide | M | Long Beach | California | USA | USA | 2014 Trona 308 | 36 | Solo | FIN | 27:49:00 | 1 | ||
| Speedy Turtle | Thomas | Zaide | M | Long Beach | California | USA | USA | 2014 Silver State 508 | 37 | Solo | FIN | 47:35:00 | 1 | ||
| Sphinx | Lissette | Baker | F | San Dimas | USA | USA | 2007 Furnace Creek 508 | 35 | Four Mixed | FIN | 30:27:15 | 3 | |||
| Sphinx | Christine Renee | Ellis | F | Altadena | USA | USA | 2007 Furnace Creek 508 | 25 | Four Mixed | FIN | 30:27:15 | 3 | |||
| Sphinx | Eric | Foster | M | San Diego | USA | USA | 2007 Furnace Creek 508 | 41 | Four Mixed | FIN | 30:27:15 | 1 | |||
| Sphinx | Allen G. | Yee | M | South Pasadena | USA | USA | 2007 Furnace Creek 508 | 42 | Four Mixed | FIN | 30:27:15 | 1 | |||
| Spider | Del | Scharffenberg | M | Portland | Oregon | USA | USA | 1996 Furnace Creek 508 | 51 | Solo | FIN | 34:06:01 | 6 | HOF | |
| Spider | Del | Scharffenberg | M | Portland | Oregon | USA | USA | 1997 Furnace Creek 508 | 52 | Solo | FIN | 42:15:26 | Death Valley Cup, 2nd solo finish | 6 | HOF |
| Spider | Del | Scharffenberg | M | Milwaukie | Oregon | USA | USA | 2006 Furnace Creek 508 | 61 | Solo | FIN | 40:20:14 | RAAM Qualified | 6 | HOF |
| Spider | Del | Scharffenberg | M | Milwaukie | Oregon | USA | USA | 2007 Furnace Creek 508 | 62 | Solo | FIN | 40:17:12 | 6 | HOF | |
| Spider | Del | Scharffenberg | M | Milwaukie | Oregon | USA | USA | 2008 Furnace Creek 508 | 63 | Solo | FIN | 37:10:30 | 6 | HOF | |
| Spider | Del | Scharffenberg | M | Milwaukie | Oregon | USA | USA | 2016 Silver State 508 | 71 | Solo | FIN | 46:28:00 | 6 | HOF | |
| Spider Monkey | Nelson | Snyder | M | Portland | Oregon | USA | USA | 2004 Furnace Creek 508 | 33 | Solo | FIN | 42:15:10 | 1 | ||
| Spider Monkey | Nelson | Snyder | M | Portland | Oregon | USA | USA | 2008 Furnace Creek 508 | 37 | Solo | DNF | 1 | |||
| Spider Pig | Dave | Nerrow | M | Acton | Massachusetts | USA | USA | 2008 Furnace Creek 508 | 41 | Solo | FIN | 30:22:29 | 1 | ||
| Spike the Wonder Dog | Dawn | Chuck | F | Los Altos | California | USA | USA | 2009 Furnace Creek 508 | 48 | Four Man | FIN | 40:57:33 | 1 | ||
| Spike the Wonder Dog | Bob | Corman | M | Mountain View | California | USA | USA | 2009 Furnace Creek 508 | 53 | Four Man | FIN | 40:57:33 | 7 | HOF | |
| Spike the Wonder Dog | Neal | Herman | M | Mountain View | California | USA | USA | 2009 Furnace Creek 508 | 53 | Four Man | FIN | 40:57:33 | 8 | HOF | |
| Spike the Wonder Dog | Jay | Kilby | M | Los Gatos | California | USA | USA | 2009 Furnace Creek 508 | 46 | Four Man | FIN | 40:57:33 | 7 | HOF | |
| Spike the Wonder Dog | Bob | Corman | M | Mountain View | California | USA | USA | 2010 Furnace Creek 508 | 54 | Two Man | FIN | 37:36:47 | 7 | HOF | |
| Spike the Wonder Dog | Jay | Kilby | M | Los Gatos | California | USA | USA | 2010 Furnace Creek 508 | 47 | Two Man | FIN | 37:36:47 | 7 | HOF | |
| Spike the Wonder Dog | Bob | Corman | M | Mountain View | California | USA | USA | 2011 Furnace Creek 508 | 55 | Two Man | FIN | 33:55:37 | 7 | HOF | |
| Spike the Wonder Dog | Jay | Kilby | M | Los Gatos | California | USA | USA | 2011 Furnace Creek 508 | 48 | Two Man | FIN | 33:55:37 | 7 | HOF | |
| Spike the Wonder Dog | Steve | Bursley | M | Pleasanton | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 55 | Four Man | FIN | 24:52:00 | 7 | HOF | |
| Spike the Wonder Dog | Bob | Corman | M | Mountain View | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 57 | Four Man | FIN | 24:52:00 | 7 | HOF | |
| Spike the Wonder Dog | Neal | Herman | M | Mountain View | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 57 | Four Man | FIN | 24:52:00 | 8 | HOF | |
| Spike the Wonder Dog | Matthew | Wolpin | M | Sunnyvale | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 32 | Four Man | FIN | 24:52:00 | 1 | ||
| Spike the Wonder Dog | Bob | Corman | M | Mountain View | California | USA | USA | 2014 Silver State 508 | 58 | Four Man | FIN | 32:05:00 | 7 | HOF | |
| Spike The Wonder Dog | Neal | Herman | M | Mountain View | California | USA | USA | 2014 Silver State 508 | 58 | Four Man | FIN | 32:05:00 | 8 | HOF | |
| Spike the Wonder Dog | Laura | Hill Temmerman | F | Campbell | California | USA | USA | 2014 Silver State 508 | 39 | Four Man | FIN | 32:05:00 | 5 | HOF | |
| Spike The Wonder Dog | Jay | Kilby | M | Los Gatos | California | USA | USA | 2014 Silver State 508 | 51 | Four Man | FIN | 32:05:00 | 7 | HOF | |
| Spike the Wonder Dog | Neal | Herman | M | Mountain View | California | USA | USA | 2015 Silver State 508 | 59 | Four Mixed | FIN | 35:31:16 | 8 | HOF | |
| Spike The Wonder Dog | Laura | Hill Temmerman | F | Campbell | California | USA | USA | 2015 Silver State 508 | 40 | Four Mixed | FIN | 35:31:16 | 5 | HOF | |
| Spike The Wonder Dog | Susan | Horst | F | Kirkland | Washington | USA | USA | 2015 Silver State 508 | 57 | Four Mixed | FIN | 35:31:16 | 1 | ||
| Spike The Wonder Dog | Bob | Temmerman | M | Campbell | California | USA | USA | 2015 Silver State 508 | 62 | Four Mixed | FIN | 35:31:16 | 1 | ||
| Spike the Wonder Dog | Steve | Bursley | M | Pleasanton | California | USA | USA | 2016 Silver State 508 | 58 | Four Man | FIN | 35:43:00 | 7 | HOF | |
| Spike the Wonder Dog | Neal | Herman | M | Mountain View | California | USA | USA | 2016 Silver State 508 | 60 | Four Man | FIN | 35:43:00 | 8 | HOF | |
| Spike the Wonder Dog | Laura | Hill Temmerman | F | Campbell | California | USA | USA | 2016 Silver State 508 | 41 | Four Man | FIN | 35:43:00 | 5 | HOF | |
| Spike the Wonder Dog | Vincent | Wolff | M | Mountain View | California | USA | USA | 2016 Silver State 508 | 59 | Four Man | FIN | 35:43:00 | 1 | ||
| Spinner Dolphin | Tom | Guevara | M | Coarsegold | California | USA | USA | 2014 Trona 308 | 58 | Two Man | FIN | 20:41:00 | 2 | ||
| Spinner Dolphin | Paul | Moore | M | Fresno | California | USA | USA | 2014 Trona 308 | 53 | Two Man | FIN | 20:41:00 | 3 | ||
| Spinner Dolphin | Ranay | Franklin | F | Clovis | California | USA | USA | 2014 Silver State 508 | 49 | Four Mixed | FIN | 32:24:00 | 1 | ||
| Spinner Dolphin | Elisabeth | Guevara | F | Coarsegold | California | USA | USA | 2014 Silver State 508 | 54 | Four Mixed | FIN | 32:24:00 | 1 | ||
| Spinner Dolphin | Tom | Guevara | M | Coarsegold | California | USA | USA | 2014 Silver State 508 | 58 | Four Mixed | FIN | 32:24:00 | 2 | ||
| Spinner Dolphin | Paul | Moore | M | Fresno | California | USA | USA | 2014 Silver State 508 | 54 | Four Mixed | FIN | 32:24:00 | 3 | ||
| Spirit Bear | Bobbi | Fisher | F | Burbank | California | USA | USA | 2007 Furnace Creek 508 | 58 | Two Mixed | FIN | 37:07:03 | 3 | ||
| Spirit Bear | David | Nakai | M | Fallbrook | California | USA | USA | 2007 Furnace Creek 508 | 51 | Two Mixed | FIN | 37:07:03 | 5 | HOF | |
| Sponge | Bob | Paxson | M | Elk Grove | California | USA | USA | 2003 Furnace Creek 508 | 44 | Solo | DNF | 3 | |||
| Sponge | Bob | Paxson | M | Elk Grove | California | USA | USA | 2005 Furnace Creek 508 | 46 | Solo | FIN | 41:03:08 | 3 | ||
| Sponge | Bob | Paxson | M | Sacramento | California | USA | USA | 2007 Furnace Creek 508 | 48 | Solo | DNF | 3 | |||
| Spotted Ass | Ken | Emerson | M | San Jose | California | USA | USA | 2011 Furnace Creek 508 | 53 | Two Man | FIN | 33:39:08 | 5 | HOF | |
| Spotted Ass | Steve | Saeedi | M | Fremont | California | USA | USA | 2011 Furnace Creek 508 | 49 | Two Man | FIN | 33:39:08 | 3 | ||
| Spotted Ass | Ken | Emerson | M | San Jose | California | USA | USA | 2012 Furnace Creek 508 | 54 | Two Man | FIN | 34:13:04 | 5 | HOF | |
| Spotted Ass | Steve | Saeedi | M | Fremont | California | USA | USA | 2012 Furnace Creek 508 | 50 | Two Man | FIN | 34:13:04 | 3 | ||
| Spotted Ass | Ken | Emerson | M | San Jose | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 55 | Two Man | FIN | 25:58:00 | 5 | HOF | |
| Spotted Ass | Steve | Saeedi | M | Somerset | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 51 | Two Man | FIN | 25:58:00 | 3 | ||
| Spotted Dog | Ray | Brown | M | Roswell | Georgia | USA | USA | 2014 Silver State 508 | 57 | Solo | FIN | 35:19:00 | 2 | ||
| Spotted Dog | Ray | Brown | M | Roswell | Georgia | USA | USA | 2015 Silver State 508 | 58 | Solo | FIN | 32:11:20 | 2 | ||
| Spotted Horse | Sarah | Cooper | F | Urbandale | Iowa | USA | USA | 2014 Silver State 508 | 43 | Solo | FIN | 32:32:00 | 1 | ||
| Springbuck | Charles | Schroyer | M | Morgan Hill | California | USA | USA | 1997 Furnace Creek 508 | 45 | Solo | DNF | 9 | HOF | ||
| Springbuck | Charles | Schroyer | M | Morgan Hill | California | USA | USA | 1998 Furnace Creek 508 | 46 | Solo | DNF | 9 | HOF | ||
| Springbuck | Charles | Schroyer | M | Morgan Hill | California | USA | USA | 1999 Furnace Creek 508 | 47 | Solo | DNF | TS2 - stomach | 9 | HOF | |
| Springbuck | Charles | Schroyer | M | Morgan Hill | California | USA | USA | 2002 Furnace Creek 508 | 50 | Solo | DNF | 9 | HOF | ||
| Springbuck | Charles | Schroyer | M | Morgan Hill | California | USA | USA | 2004 Furnace Creek 508 | 52 | Solo | DNF | 9 | HOF | ||
| Springbuck | Charles | Schroyer | M | Morgan Hill | California | USA | USA | 2005 Furnace Creek 508 | 53 | Solo | FIN | 43:55:40 | 9 | HOF | |
| Springbuck | Charles | Schroyer | M | Morgan Hill | California | USA | USA | 2006 Furnace Creek 508 | 54 | Solo | DNF | 9 | HOF | ||
| Springbuck | Charles | Schroyer | M | Morgan Hill | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 61 | Solo | FIN | 27:21:00 | 9 | HOF | |
| Squid | Sean | Irwin | M | Paso Robles | California | USA | USA | 2001 Furnace Creek 508 | 32 | Solo | DNF | right knee | |||
| Squirel | Bill | Birrell | M | Los Angles | California | USA | USA | 2000 Furnace Creek 508 | 39 | Solo | DNF | ||||
| Squirtel | Doug | Patterson | M | Orange | California | USA | USA | 2008 Furnace Creek 508 | 48 | Two Man | FIN | 31:43:06 | 6 | HOF | |
| Squirtel | Steven | Patterson | M | Orange | California | USA | USA | 2008 Furnace Creek 508 | 18 | Two Man | FIN | 31:43:06 | 1 | ||
| Steelhead | Robert | Satterthwaite | M | California | USA | USA | 1992 Furnace Creek 508 | 21 | Solo | DNF | 1 | ||||
| Steelhead | Robert | Satterthwaite | M | California | USA | USA | 1993 Furnace Creek 508 | 22 | Solo | DNF | 1 | ||||
| Stegosaurus | Shaun | Arora | M | Santa Monica | California | USA | USA | 2011 Furnace Creek 508 | 32 | Solo Fixed Gear | FIN | 47:44:06 | 1 | ||
| Stellar Jay | Barb | Sweeney | F | Surrey | British Columbia | Canada | Canada | 2010 Furnace Creek 508 | 52 | Solo | DNF | ||||
| Stingray | Robert | Stone | M | Oak View | California | USA | USA | 1994 Furnace Creek 508 | N/A | Solo | DNF | 2 | |||
| Stink Bug | Jeff | Lawler | M | Los Angeles | California | USA | USA | 2012 Furnace Creek 508 | 42 | Solo | FIN | 33:44:23 | 4 | ||
| Stinky Monkey | Dzung | Dang | M | San Jose | California | USA | USA | 2014 Trona 308 | 53 | Solo | FIN | 28:29:00 | 5 | HOF | |
| Stone Cat | Richard | LeBoeuf | M | Danvers | Massachusetts | USA | USA | 2002 Furnace Creek 508 | 49 | Solo | FIN | 45:56:33 | 1 | ||
| Stork | Brian | Sidwell | M | Santa Cruz | California | USA | USA | 1997 Furnace Creek 508 | 29 | Solo | DNF | ||||
| Stubborn Bull | Dany | Bonneville | M | St-Hilaire | Quebec | Canada | Canada | 2013 Furnace Creek 508, AKA Trona 353 | 48 | Solo | DNF | 4 | |||
| Stubborn Bull | Dany | Bonneville | M | St-Hilaire | Quebec | Canada | Canada | 2016 Silver State 508 | 50 | Solo | FIN | 37:23:00 | 4 | ||
| Stubborn Bulls | Dany | Bonneville | M | St-hilaire | Quebec | Canada | Canada | 2012 Furnace Creek 508 | 47 | Two Man | FIN | 33:44:15 | 4 | ||
| Stubborn Bulls | Danick | Charpentier | M | Verdun | Quebec | Canada | Canada | 2012 Furnace Creek 508 | 37 | Two Man | FIN | 33:44:15 | 1 | ||
| Stubborn Bulls | Dany | Bonneville | M | St-Hilaire | Quebec | Canada | Canada | 2015 Silver State 508 | 49 | Two Man | FIN | 29:29:42 | 4 | ||
| Stubborn Bulls | Bruno | Jean | M | St-Hilaire | Quebec | Canada | Canada | 2015 Silver State 508 | 47 | Two Man | FIN | 29:29:42 | 1 | ||
| Sub5 Amarok | Andy | Green | M | San Diego | California | USA | United Kingdom | 2016 Silver State 508 | 53 | Two Man | FIN | 31:35:00 | 2 | ||
| Sub5 Amarok | Keith | Jensen | M | Ramona | California | USA | USA | 2016 Silver State 508 | 51 | Two Man | FIN | 31:35:00 | 2 | ||
| Sub5 Amarok | Andy | Green | M | San Diego | California | USA | United Kingdom | 2017 Silver State 508 | 54 | Two Man | FIN | 29:42:00 | 2 | ||
| Sub5 Amarok | Keith | Jensen | M | Ramona | California | USA | USA | 2017 Silver State 508 | 52 | Two Man | FIN | 29:42:00 | 2 | ||
| Subsonic the Hedgehog | Ronald | Iseri | M | Camarillo | California | USA | USA | 2017 Silver State 508 | 55 | Solo | FIN | 36:32:00 | 2 | ||
| Suffolk Punch Horse | Fabio Cavalheiro | Silvestri | M | Uberlandia | Minas Gerais | Brazil | Brazil | 2024 Silver State 508 | N/A | Solo | FIN | 31:24:00 | 2 | ||
| Suffolk Punch Horse | Fabio Cavalheiro | Silvestri | M | Uberlândia | Minas Gerais | Brazil | USA | 2025 The 508 | 48 | Solo | FIN | 33:48:35 | Null | 2 | |
| Sun Bear | Rebecca | Smith | F | Portland | Oregon | USA | USA | 2002 Furnace Creek 508 | 53 | Solo | FIN | 39:28:36 | Course Record/Pre. Qual. | 1 | |
| Sun Bear | Rebecca | Smith | F | Washougal | Washington | USA | USA | 2004 Furnace Creek 508 | 55 | Solo | DNF | nausea and vomiting | 1 | ||
| Sun Bear | Rebecca | Smith | F | Washougal | Washington | USA | USA | 2011 Furnace Creek 508 | 62 | Solo | DNF | 1 | |||
| Sun Spiders | Max | Hogan | M | Camarillo | California | USA | USA | 2008 Furnace Creek 508 | 47 | Two Man | FIN | 28:46:26 | 1 | ||
| Sun Spiders | Brian | Smallwood | M | Camarillo | California | USA | USA | 2008 Furnace Creek 508 | 53 | Two Man | FIN | 28:46:26 | 1 | ||
| Sunfish | John T. | Clare | M | Long Beach | California | USA | USA | 2008 Furnace Creek 508 | 67 | Two Man | FIN | 32:42:40 | 5 | HOF | |
| Sunfish | Jon | Shellenbarger | M | Anaheim | California | USA | USA | 2008 Furnace Creek 508 | 36 | Two Man | FIN | 32:42:40 | 9 | HOF | |
| Sunfish | John | Clare | M | Long Beach | California | USA | USA | 2014 Silver State 508 | 51 | Two Man | FIN | 31:59:00 | 6 | HOF | |
| Sunfish | Jon | Shellenbarger | M | Anaheim | California | USA | USA | 2014 Silver State 508 | 42 | Two Man | FIN | 31:59:00 | 9 | HOF | |
| Sunfish | John | Clare | M | Long Beach | California | USA | USA | 2018 Silver State 508 | 55 | Two Man Classic | FIN | 38:43:21 | 6 | HOF | |
| Sunfish | Jon | Shellenbarger | M | Anaheim | California | USA | USA | 2018 Silver State 508 | 45 | Two Man Classic | FIN | 38:43:21 | 9 | HOF | |
| Sunfish | Jon | Shellenbarger | M | Anaheim | California | USA | USA | 2019 Silver State 508 | 46 | Solo | FIN | 39:08:45 | 9 | HOF | |
| Super Fly | Greg | Kline | M | Newport Beach | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 48 | Solo Classic | FIN | 23:34:00 | 1 | ||
| Super Tabby | Lyresa | Pleskovitch | F | East Palo Alto | California | USA | USA | 2009 Furnace Creek 508 | 43 | Two Woman | DNF | 1 | |||
| Super Tabby | Christina | Waitzman | F | Belmont | California | USA | USA | 2009 Furnace Creek 508 | 45 | Two Woman | DNF | 9 | HOF | ||
| Super Tabby | Michael | Svihura | M | Belmont | California | USA | USA | 2010 Furnace Creek 508 | 46 | Two Mixed | FIN | 40:22:34 | 6 | HOF | |
| Super Tabby | Christina | Waitzman | F | Belmont | California | USA | USA | 2010 Furnace Creek 508 | 46 | Two Mixed | FIN | 40:22:34 | 9 | HOF | |
| Super Tabby | Michael | Svihura | M | Belmont | California | USA | Canada | 2012 Furnace Creek 508 | 48 | Two Mixed | FIN | 36:02:42 | 6 | HOF | |
| Super Tabby | Christina | Waitzman | F | Belmont | California | USA | USA | 2012 Furnace Creek 508 | 48 | Two Mixed | FIN | 36:02:42 | 9 | HOF | |
| Super Tabby | Lonni | Goldman | F | Monte Sereno | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 48 | Two Woman | FIN | 26:09:00 | 4 | ||
| Super Tabby | Christina | Waitzman | F | Belmont | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 49 | Two Woman | FIN | 26:09:00 | 9 | HOF | |
| Super Tabby | Lonni | Goldman | F | Monte Sereno | California | USA | USA | 2014 Silver State 508 | 49 | Four Mixed | FIN | 32:50:00 | 4 | ||
| Super Tabby | Peter | Meyer | M | Scotts Valley | California | USA | USA | 2014 Silver State 508 | 60 | Four Mixed | FIN | 32:50:00 | 1 | ||
| Super Tabby | Michael | Svihura | M | Belmont | California | USA | USA | 2014 Silver State 508 | 50 | Four Mixed | FIN | 32:50:00 | 6 | HOF | |
| Super Tabby | Christina | Waitzman | F | Belmont | California | USA | USA | 2014 Silver State 508 | 50 | Four Mixed | FIN | 32:50:00 | 9 | HOF | |
| Super Tabby | Ranay | Franklin | F | Clovis | California | USA | USA | 2016 Silver State 508 | 51 | Two Woman | DNF | 1 | |||
| Super Tabby | Christina | Waitzman | F | Belmont | California | USA | USA | 2016 Silver State 508 | 52 | Two Woman | DNF | 9 | HOF | ||
| Super Tabby | Scott | Dakus | M | Henderson | Nevada | USA | USA | 2018 Silver State 508 | 53 | Four Mixed | FIN | 37:39:30 | 9 | HOF | |
| Super Tabby | F Brian | Hidy | M | Auburn | New York | USA | USA | 2018 Silver State 508 | 49 | Four Mixed | FIN | 37:39:30 | 1 | ||
| Super Tabby | Michael | Svihura | M | Belmont | California | USA | USA | 2018 Silver State 508 | 54 | Four Mixed | FIN | 37:39:30 | 6 | HOF | |
| Super Tabby | Christina | Waitzman | F | Belmont | California | USA | USA | 2018 Silver State 508 | 54 | Four Mixed | FIN | 37:39:30 | 9 | HOF | |
| Super Tabby | Carl | Andersen | M | Woodside | California | USA | USA | 2020 Silver State 508 | 60 | Four Mixed Open | FIN | 31:24:54 | 1 | ||
| Super Tabby | Gabrielle | Andersen | F | Woodside | California | USA | USA | 2020 Silver State 508 | 51 | Four Mixed Open | FIN | 31:24:54 | 1 | ||
| Super Tabby | Michael | Svihura | M | Belmont | California | USA | USA | 2020 Silver State 508 | 56 | Four Mixed Open | FIN | 31:24:54 | 6 | HOF | |
| Super Tabby | Christina | Waitzman | F | Belmont | California | USA | USA | 2020 Silver State 508 | 56 | Four Mixed Open | FIN | 31:24:54 | 9 | HOF | |
| Super Tabby | Colan | Arnold | M | Livingston | Texas | USA | USA | 2024 Silver State 508 | N/A | Four Mixed Open | DNF | 1 | |||
| Super Tabby | Lonni | Goldman | F | Monte Sereno | California | USA | USA | 2024 Silver State 508 | N/A | Four Mixed Open | DNF | 4 | |||
| Super Tabby | Alan | Robinson | M | San Mateo | California | USA | USA | 2024 Silver State 508 | N/A | Four Mixed Open | DNF | 1 | |||
| Super Tabby | Christina | Waitzman | F | San Carlos | California | USA | USA | 2024 Silver State 508 | N/A | Four Mixed Open | DNF | 9 | HOF | ||
| Super Tabby | Lonni | Goldman | F | Monte Sereno | California | USA | USA | 2025 The 508 | 60 | Four Mixed Open | FIN | 35:29:12 | Null | 4 | |
| Super Tabby | Doug | Patterson | M | Orang | California | USA | USA | 2025 The 508 | 65 | Four Mixed Open | FIN | 35:29:12 | Null | 6 | HOF |
| Super Tabby | Clay | Sharp | M | Alamogordo | New Mexico | USA | USA | 2025 The 508 | 64 | Four Mixed Open | FIN | 35:29:12 | Null | 1 | |
| Super Tabby | Christina | Waitzman | F | San Carlos | California | USA | USA | 2025 The 508 | 61 | Four Mixed Open | FIN | 35:29:12 | Null | 9 | HOF |
| Super Tabby powered by Mahi Mahi | Lonni | Goldman | F | Serano | California | USA | USA | 2023 Silver State 508 | N/A | Four Mixed | FIN | 37:40:43 | 4 | ||
| Super Tabby powered by Mahi Mahi | Peg | Miller | F | Vancouver | Washington | USA | USA | 2023 Silver State 508 | N/A | Four Mixed | FIN | 37:40:43 | 6 | HOF | |
| Super Tabby powered by Mahi Mahi | Alan | Robinson | M | San Mateo | California | USA | USA | 2023 Silver State 508 | N/A | Four Mixed | FIN | 37:40:43 | 1 | ||
| Super Tabby powered by Mahi Mahi | Christina | Waitzman | F | San Mateo | California | USA | USA | 2023 Silver State 508 | N/A | Four Mixed | FIN | 37:40:43 | 9 | HOF | |
| Super Vegan Cow | Adrian | Stingaciu | M | Orange | California | USA | Romania | 2008 Furnace Creek 508 | 35 | Solo | FIN | 46:30:03 | 2 | ||
| Super Vegan Cow | Adrian | Stingaciu | M | Mukilteo | Washington | USA | USA | 2020 Silver State 508 | 47 | Solo Randonneur Fixed Gear | DNF | 2 | |||
| Super Vegan Cow | Adrian | Stingaciu | M | Mukilteo | Washington | USA | Romania | 2021 Silver State 508 | 48 | Solo Randonneur Fixed Gear | DNF | 2 | |||
| Super Vegan Cow | Adrian | Stingaciu | M | Mukilteo | Washington | USA | USA | 2022 Silver State 508 | 49 | Solo Randonneur Fixed Gear | FIN | 49:00:00 | 2 | ||
| Swallow | Vikki Leah | Appel | F | Pasadena | California | USA | USA | 2006 Furnace Creek 508 | 36 | Four Woman | FIN | 33:25:02 | 1 | ||
| Swallow | Lissette | Baker | F | San Dimas | California | USA | USA | 2006 Furnace Creek 508 | 34 | Four Woman | FIN | 33:25:02 | 3 | ||
| Swallow | Christine Renee | Ellis | F | Altadena | California | USA | USA | 2006 Furnace Creek 508 | 24 | Four Woman | FIN | 33:25:02 | 3 | ||
| Swallow | Lisa | Hughes | F | Glendora | California | USA | USA | 2006 Furnace Creek 508 | 40 | Four Woman | FIN | 33:25:02 | 1 | ||
| Swallow | Lissette | Baker | F | San Dimas | California | USA | USA | 2008 Furnace Creek 508 | 36 | Two Woman | FIN | 37:27:58 | 3 | ||
| Swallow | Christine Renee | Ellis | F | Altadena | California | USA | USA | 2008 Furnace Creek 508 | 26 | Two Woman | FIN | 37:27:58 | 3 | ||
| Swan | Perry | Smith | M | California | USA | USA | 1996 Furnace Creek 508 | 46 | Solo | DNF | 2 | ||||
| Swan | Perry | Smith | M | California | USA | USA | 1997 Furnace Creek 508 | 47 | Solo | DNF | 2 | ||||
| Swan | Perry | Smith | M | California | USA | USA | 1998 Furnace Creek 508 | 48 | Solo | FIN | 46:14:19 | 2 | |||
| Swan | Perry | Smith | M | Costa Mesa | California | USA | USA | 1999 Furnace Creek 508 | 49 | Solo | DNF | TS3 - heat exhaustion | 2 | ||
| Swan | Perry | Smith | M | Costa Mesa | California | USA | USA | 2000 Furnace Creek 508 | 50 | Solo | DNF | 2 | |||
| Swan | Perry | Smith | M | Costa Mesa | California | USA | USA | 2001 Furnace Creek 508 | 51 | Solo | FIN | 41:47:00 | 2 | ||
| Swift | Jim | Karanas | M | Lafayette | California | USA | USA | 2006 Furnace Creek 508 | 52 | Solo | FIN | 34:49:17 | RAAM Qualified, 1-hr penalty | 1 | |
| Swift Fox | Stephen | Boake | M | Toronto | Ontario | Canada | Canada | 2016 Silver State 508 | 63 | Two Man | FIN | 33:53:00 | 1 | ||
| Swift Fox | Graham | Hallward | M | Toronto | Ontario | Canada | Canada | 2016 Silver State 508 | 60 | Two Man | FIN | 33:53:00 | 1 | ||
| Swooping Cardinal | Clayton | Van Ekeren | M | Dallas | Texas | USA | USA | 2019 Silver State 508 | 26 | Solo Randonneur | FIN | 38:50:47 | 1 | ||
| T-Rex | Roehl | Caragao | M | Bakersfield | California | USA | USA | 1999 Furnace Creek 508 | 36 | Four Tandem Mixed | FIN | 23:54:17 | MTT CR | 18 | HOF |
| T-Rex | Scott | Garrison | M | Bakersfield | California | USA | USA | 1999 Furnace Creek 508 | 45 | Four Tandem Mixed | FIN | 23:54:17 | MTT CR | 3 | |
| T-Rex | Deby | Kellogg | F | Bakersfield | California | USA | USA | 1999 Furnace Creek 508 | 39 | Four Tandem Mixed | FIN | 23:54:17 | MTT CR | 1 | |
| T-Rex | Mike | Moseley | M | Bakersfield | California | USA | USA | 1999 Furnace Creek 508 | 45 | Four Tandem Mixed | FIN | 23:54:17 | MTT CR | 6 | HOF |
| T-Rex | Vickie | Rigby | F | Bakersfield | California | USA | USA | 1999 Furnace Creek 508 | 48 | Four Tandem Mixed | FIN | 23:54:17 | MTT CR | 4 | |
| T-Rex | Bob | Smith | M | Bakersfield | California | USA | USA | 1999 Furnace Creek 508 | 47 | Four Tandem Mixed | FIN | 23:54:17 | MTT CR | 5 | HOF |
| T-Rex | Pam | Traynor | F | Bakersfield | California | USA | USA | 1999 Furnace Creek 508 | 34 | Four Tandem Mixed | FIN | 23:54:17 | MTT CR | 2 | |
| T-Rex | Kris | Woolsey | F | Bakersfield | California | USA | USA | 1999 Furnace Creek 508 | 33 | Four Tandem Mixed | FIN | 23:54:17 | MTT CR | 2 | |
| Tabasco Turtle | Curtis | Moran | M | Lancaster | California | USA | USA | 2005 Furnace Creek 508 | 52 | Solo | DNF | ||||
| Tabasco Turtle | Curtis | Moran | M | Lancaster | California | USA | USA | 2007 Furnace Creek 508 | 54 | Solo | DNF | ||||
| Tadpole | Frankie | Tedesco, Jr. | M | Tucson | Arizona | USA | USA | 2002 Furnace Creek 508 | 32 | Solo | DNF | ||||
| Tanzilla | Mike | Moseley | M | Bakersfield | California | USA | USA | 2000 Furnace Creek 508 | 46 | Tandem Mixed | FIN | 35:41:00 | 6 | HOF | |
| Tanzilla | Cindi | Staiger | F | Los Gatos | California | USA | USA | 2000 Furnace Creek 508 | 48 | Tandem Mixed | FIN | 35:41:00 | 4 | ||
| Tapir | Chris | O'Keefe | M | Mountain View | California | USA | USA | 2006 Furnace Creek 508 | 39 | Solo | FIN | 46:36:09 | 3 | ||
| Tapir | Chris | O'Keefe | M | Mountain View | California | USA | USA | 2011 Furnace Creek 508 | 45 | Solo | FIN | 36:03:43 | 3 | ||
| Tapir | Chris | O'Keefe | M | Mountain View | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 47 | Solo | FIN | 28:00:00 | 3 | ||
| Tapir | Chris | O'Keefe | M | Mountain View | California | USA | USA | 2020 Silver State 508 | 53 | Solo Randonneur | DNF | 3 | |||
| Tarantula | Cara | Dunne | F | USA | USA | 1996 Furnace Creek 508 | 26 | Four Tandem Women | FIN | 28:00:05 | Course Record: Open Format | 1 | |||
| Tarantula | Juli | Haft | F | USA | USA | 1996 Furnace Creek 508 | 39 | Four Tandem Women | FIN | 28:00:05 | Course Record: Open Format | 1 | |||
| Tarantula | Susan | Hall | F | USA | USA | 1996 Furnace Creek 508 | 46 | Four Tandem Women | FIN | 28:00:05 | Course Record: Open Format | 1 | |||
| Tarantula | Joyce | Knochel | F | USA | USA | 1996 Furnace Creek 508 | 45 | Four Tandem Women | FIN | 28:00:05 | Course Record: Open Format | 1 | |||
| Tarantula | Marlee | Sondgeroth | F | Arizona | USA | USA | 1996 Furnace Creek 508 | 41 | Four Tandem Women | FIN | 28:00:05 | Course Record: Open Format | 2 | ||
| Tarantula | Tiffany | Tretschok | F | USA | USA | 1996 Furnace Creek 508 | 30 | Four Tandem Women | FIN | 28:00:05 | Course Record: Open Format | 1 | |||
| Tarantula | Kathy | Urschel | F | USA | USA | 1996 Furnace Creek 508 | 32 | Four Tandem Women | FIN | 28:00:05 | Course Record: Open Format | 1 | |||
| Tarantula | Ali | Waechi | F | USA | USA | 1996 Furnace Creek 508 | 29 | Four Tandem Women | FIN | 28:00:05 | Course Record: Open Format | 1 | |||
| Tarantula Hawk | Steven | Smith | M | Fort Mohave | Arizona | USA | USA | 2023 Silver State 508 | N/A | Solo Randonneur | FIN | 47:00:15 | 1 | ||
| Tardigrade | Steven | Pearl | M | Ridgecrest | California | USA | USA | 2010 Furnace Creek 508 | 26 | Solo | FIN | 45:58:31 | 1 | ||
| Tarkus | Brook | Henderson | M | Woodland Hills | California | USA | USA | 2020 Silver State 508 | 50 | Solo Randonneur | FIN | 39:43:20 | 1 | ||
| Tarpon | Laurence | Kluck | M | Eureka | California | USA | USA | 2004 Furnace Creek 508 | 56 | Solo | FIN | 46:30:24 | 7 | HOF | |
| Tarpon | Laurence | Kluck | M | Eureka | California | USA | USA | 2005 Furnace Creek 508 | 57 | Solo | FIN | 36:31:20 | 7 | HOF | |
| Tarpon | Laurence | Kluck | M | Eureka | California | USA | USA | 2006 Furnace Creek 508 | 58 | Solo | FIN | 39:04:55 | 7 | HOF | |
| Tarpon | Laurence | Kluck | M | Eureka | California | USA | USA | 2008 Furnace Creek 508 | 60 | Solo | FIN | 38:45:45 | 7 | HOF | |
| Tarpon | Laurence | Kluck | M | Eureka | California | USA | USA | 2009 Furnace Creek 508 | 61 | Solo | FIN | 45:26:22 | 7 | HOF | |
| Tarpon | Laurence | Kluck | M | Eureka | California | USA | USA | 2010 Furnace Creek 508 | 62 | Solo | FIN | 42:59:45 | 7 | HOF | |
| Tarpon | Laurence | Kluck | M | Eureka | California | USA | USA | 2014 Silver State 508 | 66 | Solo | FIN | 38:49:00 | 7 | HOF | |
| Tarpon | Laurence | Kluck | M | Eureka | California | USA | USA | 2017 Silver State 508 | 68 | Solo | DNF | 7 | HOF | ||
| Tarsier | Ryan | Franz | M | Lancster | California | USA | USA | 2008 Furnace Creek 508 | 31 | Solo | FIN | 31:45:51 | 1 | ||
| Tasmanian Devil | Richard | Heiss | M | Bakersfield | California | USA | USA | 1995 Furnace Creek 508 | 38 | Tandem Men | FIN | 31:14:05 | 2 | ||
| Tasmanian Devil | Mike | Moseley | M | Bakersfield | California | USA | USA | 1995 Furnace Creek 508 | 41 | Tandem Men | FIN | 31:14:05 | 6 | HOF | |
| Tasmanian Devil | Mike | Moseley | M | Bakersfield | California | USA | USA | 2004 Furnace Creek 508 | 50 | Solo | DNF | 6 | HOF | ||
| Tasmanian Tiger | Ian | Banwell | M | Charlotte | North Carolina | USA | USA | 2007 Furnace Creek 508 | 46 | Solo | DNF | ||||
| Tasmanian Wolf | Wolfgang | Lenzen | M | Osnabrueck | Germany | Germany | 2006 Furnace Creek 508 | 60 | Solo | DNF | 1 | ||||
| Tasmanian Wolf | Wolfgang | Lenzen | M | Osnabrueck | Lower Saxony (Niedersachsen) | Germany | Germany | 2008 Furnace Creek 508 | 62 | Solo | FIN | 45:21:50 | 1 | ||
| TasNEDian Devil | Neridah | Lock | F | SGP | Singapore | Australia | 2015 Silver State 508 | 41 | Solo | DNF | |||||
| Teal | Glen | Gorrie | M | Okotoks | Alberta | Canada | Canada | 2009 Furnace Creek 508 | 50 | Two Mixed | FIN | 40:02:18 | 1 | ||
| Teal | Sharisse | Kyle | F | Calgary | Alberta | Canada | Canada | 2009 Furnace Creek 508 | 51 | Two Mixed | FIN | 40:02:18 | 1 | ||
| Tenacious Tarsier | Alfredo | Tadeo | M | Newport Beach | California | USA | Philippines | 2014 Silver State 508 | 55 | Solo | DNF | ||||
| Tenacious Turtle | Kitty | Davidson | F | Broomfield | Colorado | USA | USA | 2015 Silver State 508 | 45 | Two Mixed | DNF | ||||
| Tenacious Turtle | Andy | Tuthill | M | Broomfield | Colorado | USA | USA | 2015 Silver State 508 | 45 | Two Mixed | DNF | ||||
| Tepig | Roland | von Kriegenbergh | M | Temecula | California | USA | Switzerland | 2014 Trona 308 | 44 | Solo | FIN | 26:05:00 | 1 | ||
| Tepig | Roland | von Kriegenbergh | M | Temecula | California | USA | Switzerland | 2014 Silver State 508 | 45 | Solo | FIN | 43:58:00 | 1 | ||
| Terrapin | Brian | Lynch | M | Palos Verdes Estates | California | USA | USA | 2008 Furnace Creek 508 | 42 | Four Man | FIN | 40:24:40 | 1 | ||
| Terrapin | Jim | Lynch | M | Belvedere | California | USA | USA | 2008 Furnace Creek 508 | 41 | Four Man | FIN | 40:24:40 | 1 | ||
| Terrapin | Mike | Lynch | M | Sparta | New Jersey | USA | USA | 2008 Furnace Creek 508 | 45 | Four Man | FIN | 40:24:40 | 1 | ||
| Terrapin | Tim | Riedel | M | Highlands Ranch | Colorado | USA | USA | 2008 Furnace Creek 508 | 42 | Four Man | FIN | 40:24:40 | 1 | ||
| Texas Tortoise | Gary | Estes | M | Whitewright | Texas | USA | USA | 2010 Furnace Creek 508 | 47 | Solo Tandem | DNF | ||||
| Texas Tortoise | Sandra | Estes | F | Whitewright | Texas | USA | USA | 2010 Furnace Creek 508 | 45 | Solo Tandem | DNF | ||||
| The Raging Redbacks | Roehl | Caragao | M | Fresno | California | USA | USA | 2023 Silver State 508 | N/A | Two Tandem Mixed | FIN | 45:54:31 | 18 | HOF | |
| The Raging Redbacks | Lori | Hoechlin | F | Misson | California | USA | USA | 2023 Silver State 508 | N/A | Two Tandem Mixed | FIN | 45:54:31 | 7 | HOF | |
| The Tortoise and the Hare | Valerie | DeSanta | F | San Jose | California | USA | USA | 2018 Silver State 508 | 57 | Four Woman | FIN | 41:10:40 | 2 | ||
| The Tortoise and the Hare | Michelle | Garrison | F | Fremont | California | USA | USA | 2018 Silver State 508 | 57 | Four Woman | FIN | 41:10:40 | 2 | ||
| The Tortoise and the Hare | Laura | Hill Temmerman | F | Campbell | California | USA | USA | 2018 Silver State 508 | 43 | Four Woman | FIN | 41:10:40 | 5 | HOF | |
| The Tortoise and the Hare | Joanne | Ottney | F | Los Gatos | California | USA | USA | 2018 Silver State 508 | 57 | Four Woman | FIN | 41:10:40 | 2 | ||
| The Tortoise and The Hare | Valerie | DeSanta | F | San Jose | California | USA | USA | 2019 Silver State 508 | 58 | Four Woman Open | FIN | 41:19:31 | 2 | ||
| The Tortoise and The Hare | Michelle | Garrison | F | Fremont | California | USA | USA | 2019 Silver State 508 | 58 | Four Woman Open | FIN | 41:19:31 | 2 | ||
| The Tortoise and The Hare | Laura | Hill Temmerman | F | Campbell | California | USA | USA | 2019 Silver State 508 | 44 | Four Woman Open | FIN | 41:19:31 | 5 | HOF | |
| The Tortoise and The Hare | Joanne | Ottney | F | Los Gatos | California | USA | USA | 2019 Silver State 508 | 58 | Four Woman Open | FIN | 41:19:31 | 2 | ||
| Thestrel | Jacques | Boutet | M | Anchorage | Alaska | USA | USA | 2008 Furnace Creek 508 | 52 | Solo | FIN | 44:51:48 | 1 | ||
| Thorny Devils | Adrien | Blanchi | M | Aliso Viejo | California | USA | France | 2007 Furnace Creek 508 | 28 | Four Man | FIN | 36:35:33 | 1 | ||
| Thorny Devils | Eric | Cosyn | M | Irvine | California | USA | Belgium | 2007 Furnace Creek 508 | 43 | Four Man | FIN | 36:35:33 | 1 | ||
| Thorny Devils | Arnaud | Lenoble | M | Irvine | California | USA | France | 2007 Furnace Creek 508 | 26 | Four Man | FIN | 36:35:33 | 1 | ||
| Thorny Devils | Thomas | Villaren | M | Irvine | California | USA | France | 2007 Furnace Creek 508 | 21 | Four Man | FIN | 36:35:33 | 1 | ||
| Thrasher | Eric | Troili | M | Everett | Washington | USA | USA | 2007 Furnace Creek 508 | 48 | Solo | FIN | 45:21:31 | 2 | ||
| Thrasher | Robert | James | M | San Jose | California | USA | USA | 2009 Furnace Creek 508 | 39 | Two Man | FIN | 43:49:45 | 1 | ||
| Thrasher | Eric | Troili | M | Everett | Washington | USA | USA | 2009 Furnace Creek 508 | 51 | Two Man | FIN | 43:49:45 | 2 | ||
| Three Chicks and a Donkey | Tracy | Fisher | F | Henderson | Nevada | USA | USA | 2025 The 508 | 59 | Four Mixed Open | FIN | 39:09:24 | Null | 5 | HOF |
| Three Chicks and a Donkey | Ed | Hladek | M | Las Vegas | Nevada | USA | USA | 2025 The 508 | 60 | Four Mixed Open | FIN | 39:09:24 | Null | 11 | HOF |
| Three Chicks and a Donkey | Natalie | Mallory | F | Henderson | Nevada | USA | USA | 2025 The 508 | 57 | Four Mixed Open | FIN | 39:09:24 | Null | 1 | |
| Three Chicks and a Donkey | Shannon | Weldon | F | Henderson | Nevada | USA | USA | 2025 The 508 | 53 | Four Mixed Open | FIN | 39:09:24 | Null | 2 | |
| Thrush | Ian | Tuttle | M | Belvedere | California | USA | USA | 2004 Furnace Creek 508 | 23 | Solo | FIN | 39:30:55 | 1 | ||
| Thunder Hawk | Robert | Rich | M | Loveland | Ohio | USA | USA | 2001 Furnace Creek 508 | 50 | Solo | FIN | 48:21:00 | honorable mention | 1 | |
| Thunder Hawk | Robert | Rich | M | Loveland | Ohio | USA | USA | 2007 Furnace Creek 508 | 56 | Solo | DNF | 1 | |||
| Thunder Jerboa | Kym | Louie | F | Pasadena | California | USA | USA | 2019 Silver State 508 | 28 | Solo Randonneur | FIN | 43:01:35 | 3 | ||
| Thunder Jerboa | Kym | Louie | F | Pasadena | California | USA | USA | 2020 Silver State 508 | 29 | Solo Randonneur | DNF | 3 | |||
| Thunder Jerboa | Kym | Louie | F | Mountain View | California | USA | USA | 2021 Silver State 508 | 30 | Solo Randonneur | DNF | 3 | |||
| Thunder Jerboa | Kym | Louie | F | San Jose | California | USA | USA | 2022 Silver State 508 | 32 | Solo | FIN | 45:56:00 | 3 | ||
| Thunder Jerboa | Kym | Louie | F | Boulder | Colorado | USA | USA | 2023 Silver State 508 | N/A | Solo Randonneur Recumbent | FIN | 47:16:20 | 3 | ||
| Thunderbird | Kit | Rudd | M | Auburn | Washington | USA | USA | 2001 Furnace Creek 508 | 40 | Solo | FIN | 47:37:00 | 1 | ||
| Thundercat | Damon | Taaffe | M | Washington | District of Columbia | USA | USA | 2014 Silver State 508 | 38 | Solo | FIN | 32:15:00 | 1 | ||
| Thundering Eland | Chris | Courtney | M | Oakdale | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 50 | Four Man | FIN | 19:42:00 | 1 | ||
| Thundering Eland | Clark | Foy | M | Los Gatos | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 49 | Four Man | FIN | 19:42:00 | 1 | ||
| Thundering Eland | Jim | Pyatt | M | Modesto | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 56 | Four Man | FIN | 19:42:00 | 5 | HOF | |
| Thundering Eland | Dan | Shore | M | Modesto | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 52 | Four Man | FIN | 19:42:00 | 1 | ||
| Tibetan Sand Fox | Bonnie | Leggo | F | Delafield | Wisconsin | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 36 | Two Mixed | FIN | 24:12:00 | 1 | ||
| Tibetan Sand Fox | Duane | Peck | M | rancho santa margarita | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 48 | Two Mixed | FIN | 24:12:00 | 1 | ||
| Tibia | Chuck | Bramwell | M | Irvine | California | USA | USA | 1999 Furnace Creek 508 | 48 | Four Man | FIN | 28:29:21 | 1 | ||
| Tibia | Tom | Miller | M | Oceanside | California | USA | USA | 1999 Furnace Creek 508 | 48 | Four Man | FIN | 28:29:21 | 3 | ||
| Tibia | Mark | Newsome | M | Corvallis | Oregon | USA | USA | 1999 Furnace Creek 508 | 38 | Four Man | FIN | 28:29:21 | 2 | ||
| Tibia | Mark | Patten | M | San Jose | California | USA | USA | 1999 Furnace Creek 508 | 39 | Four Man | FIN | 28:29:21 | 6 | HOF | |
| Tiger | Devin | Mckee | M | Woodinville | Washington | USA | USA | 2019 Silver State 508 | 25 | Solo | DNF | 1 | |||
| Tiger | Devin | Mckee | M | Woodinville | Washington | USA | USA | 2020 Silver State 508 | 26 | Solo | DNF | 1 | |||
| Tiger | Devin | Mckee | M | Woodinville | Washington | USA | USA | 2021 Silver State 508 | 27 | Solo | FIN | 34:34:00 | 1 | ||
| Tiger Gecko | Teresa | Beck | F | Torrance | California | USA | USA | 2015 Silver State 508 | 51 | Two Mixed | FIN | 34:15:41 | 1 | ||
| Tiger Gecko | Victor | Cooper | M | Torrance | California | USA | USA | 2015 Silver State 508 | 58 | Two Mixed | FIN | 34:15:41 | 5 | HOF | |
| Tiger Shark | Tim | Jones | M | Fairfield | California | USA | USA | 2004 Furnace Creek 508 | 47 | Solo | DNF | 2 | |||
| Tiger Shark | Dwayne | Highsmith | M | Fairfield | California | USA | USA | 2006 Furnace Creek 508 | 48 | Two Man | FIN | 34:35:01 | 2 | ||
| Tiger Shark | Tim | Jones | M | Fairfield | California | USA | USA | 2006 Furnace Creek 508 | 49 | Two Man | FIN | 34:35:01 | 2 | ||
| Tigershark | Tim | Jones | M | Fairfield | California | USA | USA | 2009 Furnace Creek 508 | 52 | Solo | DNF | 2 | |||
| Tigger | Tracy | Colwell | M | USA | USA | 1998 Furnace Creek 508 | 30 | Solo | FIN | 31:33:34 | 1 | ||||
| Timber Tiger | David | Holt | M | Laguna Niguel | California | USA | USA | 2007 Furnace Creek 508 | 55 | Two Man | FIN | 30:12:24 | 7 | HOF | |
| Timber Tiger | George | Thomas | M | Hood River | Oregon | USA | USA | 2007 Furnace Creek 508 | 44 | Two Man | FIN | 30:12:24 | 3 | ||
| Timber Wolf | George | Thomas | M | USA | USA | 1994 Furnace Creek 508 | 31 | Solo | FIN | 31:53:15 | 2: one solo, one team | 3 | |||
| Tinky Winkies | Rahner | James | M | Orangevale | California | USA | USA | 2012 Furnace Creek 508 | 54 | Two Man | FIN | 36:45:30 | 1 | ||
| Tinky Winkies | Greg | Wilson | M | Sacramento | California | USA | USA | 2012 Furnace Creek 508 | 46 | Two Man | FIN | 36:45:30 | 2 | ||
| Titanium Triceratops | Kenneth | Philbrick | M | Kezier | Oregon | USA | USA | 2006 Furnace Creek 508 | 28 | Solo | FIN | 32:30:13 | 1 | ||
| Toad | Harold | Trease | M | West Richland | Washington | USA | USA | 1997 Furnace Creek 508 | 42 | Solo | FIN | 32:46:46 | 2 | ||
| Toad | Harold | Trease | M | West Richland | Washington | USA | USA | 2003 Furnace Creek 508 | 48 | Solo | FIN | 36:46:55 | 2 | ||
| Tom Cat | Tom | Zaharis | M | Half Moon Bay | California | USA | USA | 2002 Furnace Creek 508 | 40 | Solo | FIN | 45:25:03 | 1 | ||
| Tomcatfish | Tom | Vu | M | San Jose | California | USA | USA | 2012 Furnace Creek 508 | 52 | Solo | FIN | 46:30:16 | 1 | ||
| Toro | Joaquin | Candel | M | Henderson | Nevada | USA | Spain | 2014 Trona 308 | 43 | Solo Randonneur | FIN | 28:57:00 | 1 | ||
| Toro | Joaquin | Candel | M | Henderson | Nevada | USA | Spain | 2015 Silver State 508 | 45 | Solo Randonneur | FIN | 49:57:50 | 1 | ||
| Toro | Joaquin | Candel | M | Henderson | Nevada | USA | USA | 2025 The 508 | 55 | Solo Randonneur | DNF | 1 | |||
| Tortoise | Marvin | Fields | M | Newhall | California | USA | USA | 2001 Furnace Creek 508 | 62 | Solo Recumbent | DNF | ||||
| Tortoise | Marvin | Fields | M | Newhall | California | USA | USA | 2002 Furnace Creek 508 | 63 | Solo | DNF | ||||
| Tortoise | Marvin | Fields | M | Newhall | California | USA | USA | 2005 Furnace Creek 508 | 66 | Solo Recumbent | DNF | ||||
| Tortuga | James | Gordon | M | San Francisco | California | USA | USA | 2006 Furnace Creek 508 | 45 | Two Man | FIN | 35:37:49 | 3 | ||
| Tortuga | Willy | Nevin | M | Pacifica | California | USA | USA | 2006 Furnace Creek 508 | 46 | Two Man | FIN | 35:37:49 | 5 | HOF | |
| Tortuga | James | Gordon | M | San Francisco | California | USA | USA | 2008 Furnace Creek 508 | 47 | Solo | FIN | 40:09:47 | 3 | ||
| Tote Goat | Clay | Stark | M | Petaluma | California | USA | USA | 2016 Silver State 508 | 57 | Solo Randonneur | FIN | 46:20:00 | 1 | ||
| Toucan | Carol | Trevey | F | San Jose | California | USA | USA | 2000 Furnace Creek 508 | 39 | Solo | FIN | 45:10:22 | Winner of Nancy Dankenbring Award | 1 | |
| Tree Frog | Mark | Trevisiol | M | Albany | Oregon | USA | USA | 2002 Furnace Creek 508 | 38 | Solo | FIN | 35:34:35 | New Qual. | 1 | |
| Tree Slug | Terry | Zmrhal | M | Washington | USA | USA | 1997 Furnace Creek 508 | 26 | Solo | FIN | 45:13:48 | RAAM Qualifier | 1 | ||
| Triceratops | Dennis | Barton | M | Oakland | California | USA | USA | 2009 Furnace Creek 508 | 59 | Solo | DNF | 1 | |||
| Triceratops | Dennis | Barton | M | Oakland | California | USA | USA | 2010 Furnace Creek 508 | 60 | Solo | DNF | 1 | |||
| Triggerfish | Stuart | Trager | M | Villanova | Pennsylvania | USA | USA | 2008 Furnace Creek 508 | 46 | Solo | FIN | 43:58:04 | 1 | ||
| Trilobite | Tom | Kenny | M | Calgary | Canada | Canada | 2003 Furnace Creek 508 | 40 | Solo | FIN | 45:59:55 | 2 | |||
| Trilobite | Tom | Kenny | M | Calgary | Alberta | Canada | Canada | 2013 Furnace Creek 508, AKA Trona 353 | 50 | Solo | FIN | 24:46:00 | 2 | ||
| Trogon | Paul | Danhaus | M | Wausau | Wisconsin | USA | USA | 2007 Furnace Creek 508 | 58 | Solo | FIN | 35:59:44 | 4 | ||
| Trogon | Paul | Danhaus | M | Wausau | Wisconsin | USA | USA | 2008 Furnace Creek 508 | 59 | Solo | FIN | 33:18:12 | 4 | ||
| Trogon | Paul | Danhaus | M | Wausau | Wisconsin | USA | USA | 2009 Furnace Creek 508 | 60 | Solo | DNF | 4 | |||
| Trogon | Paul | Danhaus | M | Wausau | Wisconsin | USA | USA | 2010 Furnace Creek 508 | 61 | Solo | FIN | 36:27:48 | 4 | ||
| Trojan Rabbits | Joan | Deitchman | F | Sunnyvale | California | USA | Canada | 2012 Furnace Creek 508 | 32 | Two Mixed | FIN | 32:41:22 | 6 | HOF | |
| Trojan Rabbits | Michael | Deitchman | M | Sunnyvale | California | USA | USA | 2012 Furnace Creek 508 | 36 | Two Mixed | FIN | 32:41:22 | 4 | ||
| Trout | George | Toberman | M | Malibu | California | USA | USA | 1994 Furnace Creek 508 | 52 | Solo | FIN | 45:32:41 | 1 | ||
| Tufted Titmouse | Mike | Coughlin | M | Guelph | Ontario | Canada | Canada | 2013 Furnace Creek 508, AKA Trona 353 | 40 | Two Man | FIN | 18:48:00 | 1 | ||
| Tufted Titmouse | James | McNaughton | M | Sudbury | Ontario | Canada | Canada | 2013 Furnace Creek 508, AKA Trona 353 | 37 | Two Man | FIN | 18:48:00 | 1 | ||
| Tui | Paul | Andrewes | M | Palmerston North | Manawatu | New Zealand | New Zealand | 2008 Furnace Creek 508 | 34 | Solo | FIN | 40:43:49 | 1 | ||
| Tumble Bug | Deby | Kellogg | F | Bakersfield | California | USA | USA | 2001 Furnace Creek 508 | 41 | Tandem Mixed | DNF | 1 | |||
| Tumble Bug | Mike | Moseley | M | Bakersfield | California | USA | USA | 2001 Furnace Creek 508 | 47 | Tandem Mixed | DNF | 6 | HOF | ||
| Tunder Pig | Mark | Skarpohl | M | Mankato | Minnesota | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 55 | Solo | FIN | 19:04:00 | 1 | ||
| Turbo Turtle | Paul | Trebilcock | M | Hamilton | Ontario | Canada | Canada | 2013 Furnace Creek 508, AKA Trona 353 | 48 | Solo | DNF | ||||
| Turkey Vulture | Drew | Peterson | M | El Cajon | California | USA | USA | 2011 Furnace Creek 508 | 40 | Solo | FIN | 34:20:13 | 1 | ||
| Turtle | Scott | Townley | M | Fullerton | California | USA | USA | 1994 Furnace Creek 508 | 32 | Solo | DNF | 1 | |||
| Turtle | Scott | Townley | M | Fullerton | California | USA | USA | 1995 Furnace Creek 508 | 33 | Solo | FIN | 44:30:02 | 1 | ||
| Tuxedo Cat | Don | Brown | M | Soddy Daisy | Tennessee | USA | USA | 2020 Silver State 508 | 50 | Solo | DNF | ||||
| Tuxedo Cat | Don | Brown | M | Soddy Daisy | Tennessee | USA | USA | 2021 Silver State 508 | 51 | Solo | DNF | ||||
| Tweety Bird | Marko | Baloh | M | Ljubljana-Crnuce | Slovenia | Slovenia | 2004 Furnace Creek 508 | 37 | Solo | FIN | 29:26:25 | 2 | |||
| Tweety Bird | Marko | Baloh | M | Ljubljana | Slovenia | Slovenia | 2014 Silver State 508 | 47 | Solo | FIN | 26:24:00 | 2 | |||
| Twice Sambar | Anna Catharina | Berge | F | Vollezele | Vlaams Gewest | Belgium | Sweden | 2013 Furnace Creek 508, AKA Trona 353 | 47 | Two Tandem Mixed | FIN | 19:38:00 | 6 | HOF | |
| Twice Sambar | Paul | McKenzie | M | Richmond | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 59 | Two Tandem Mixed | FIN | 19:38:00 | 5 | HOF | |
| Twice Sambar | Craig | Robertson | M | Los Altos | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 56 | Two Tandem Mixed | FIN | 19:38:00 | 6 | HOF | |
| Twice Sambar | Jeanine | Spence | F | Fresno | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 49 | Two Tandem Mixed | FIN | 19:38:00 | 6 | HOF | |
| Twin Team Pony | Mary Ann | Buxton | F | San Anselmo | California | USA | USA | 1995 Furnace Creek 508 | N/A | Four Woman | FIN | 34:59:48 | Course Record: Open Format | 1 | |
| Twin Team Pony | Angelika | Castaneda | F | San Diego | California | USA | USA | 1995 Furnace Creek 508 | 52 | Four Woman | FIN | 34:59:48 | Course Record: Open Format | 2 | |
| Twin Team Pony | Cherie | Gruenfeld | F | Bluejay | California | USA | USA | 1995 Furnace Creek 508 | N/A | Four Woman | FIN | 34:59:48 | Course Record: Open Format | 1 | |
| Twin Team Pony | Barbara | Warren | F | San Diego | California | USA | USA | 1995 Furnace Creek 508 | 52 | Four Woman | FIN | 34:59:48 | Course Record: Open Format | 1 | |
| Two Turtle Doves | Linda | Bott | F | Ventura | California | USA | USA | 2010 Furnace Creek 508 | 53 | Two Woman | FIN | 42:45:12 | 5 | HOF | |
| Two Turtle Doves | Justine | Watson | F | Ventura | California | USA | USA | 2010 Furnace Creek 508 | 25 | Two Woman | FIN | 42:45:12 | 2 | ||
| Two-Headed Dragon | Justin | Andrews | M | Matthews | North Carolina | USA | USA | 2014 Silver State 508 | 38 | Two Mixed | FIN | 31:49:00 | 1 | ||
| Two-Headed Dragon | Meredith | Dolhare | F | Charlotte | North Carolina | USA | USA | 2014 Silver State 508 | 41 | Two Mixed | FIN | 31:49:00 | 2 | ||
| Twocan | Tim | Skipper | M | Castaic | California | USA | USA | 2003 Furnace Creek 508 | 46 | Two Man | FIN | 32:17:51 | Course Record! | 8 | HOF |
| Twocan | John | Williams | M | Wofford Heights | California | USA | USA | 2003 Furnace Creek 508 | 55 | Two Man | FIN | 32:17:51 | Course Record! | 8 | HOF |
| Twocan | Lisa | Antonino | F | Belmont | California | USA | USA | 2008 Furnace Creek 508 | 48 | Two Tandem | FIN | 35:06:22 | 2 | ||
| Twocan | Bernie | Barge | M | Castaic | California | USA | USA | 2008 Furnace Creek 508 | 47 | Two Tandem | FIN | 35:06:22 | 8 | HOF | |
| Twocan | Brenda | Barnell | F | Dallas | Texas | USA | USA | 2008 Furnace Creek 508 | 43 | Two Tandem | FIN | 35:06:22 | 5 | HOF | |
| Twocan | Tim | Skipper | M | San Miguel | California | USA | USA | 2008 Furnace Creek 508 | 51 | Two Tandem | FIN | 35:06:22 | 8 | HOF | |
| Twocan | Bernie | Barge | M | San Miguel | California | USA | USA | 2009 Furnace Creek 508 | 48 | Four Tandem Mixed | FIN | 34:28:19 | 8 | HOF | |
| Twocan | Brenda | Barnell | F | Dallas | Texas | USA | USA | 2009 Furnace Creek 508 | 45 | Four Tandem Mixed | FIN | 34:28:19 | 5 | HOF | |
| Twocan | Jerry | Brown | M | Costa Mesa | California | USA | USA | 2009 Furnace Creek 508 | 64 | Four Tandem Mixed | FIN | 34:28:19 | 1 | ||
| Twocan | Joe | Petersen | M | Bakersfield | California | USA | USA | 2009 Furnace Creek 508 | 51 | Four Tandem Mixed | FIN | 34:28:19 | 9 | HOF | |
| Twocan | Milton | Rayford | M | Pleasant Hill | California | USA | USA | 2009 Furnace Creek 508 | 58 | Four Tandem Mixed | FIN | 34:28:19 | 1 | ||
| Twocan | Matt | Skipper | M | Castaic | California | USA | USA | 2009 Furnace Creek 508 | 15 | Four Tandem Mixed | FIN | 34:28:19 | 5 | HOF | |
| Twocan | Scott | Skipper | M | Castaic | California | USA | USA | 2009 Furnace Creek 508 | 15 | Four Tandem Mixed | FIN | 34:28:19 | 3 | ||
| Twocan | Tim | Skipper | M | Castaic | California | USA | USA | 2009 Furnace Creek 508 | 52 | Four Tandem Mixed | FIN | 34:28:19 | 8 | HOF | |
| Twocan | David | Mori | M | Saugus | California | USA | USA | 2010 Furnace Creek 508 | 16 | Four Man | FIN | 35:47:13 | 1 | ||
| Twocan | Matt | Skipper | M | Castaic | California | USA | USA | 2010 Furnace Creek 508 | 16 | Four Man | FIN | 35:47:13 | 5 | HOF | |
| Twocan | Scott | Skipper | M | Castaic | California | USA | USA | 2010 Furnace Creek 508 | 16 | Four Man | FIN | 35:47:13 | 3 | ||
| Twocan | Tim | Skipper | M | Castaic | California | USA | USA | 2010 Furnace Creek 508 | 53 | Four Man | FIN | 35:47:13 | 8 | HOF | |
| Twocan | Matt | Skipper | M | Castaic | California | USA | USA | 2011 Furnace Creek 508 | 17 | Two Man | FIN | 35:40:00 | 5 | HOF | |
| Twocan | Scott | Skipper | M | Castaic | California | USA | USA | 2011 Furnace Creek 508 | 17 | Two Man | FIN | 35:40:00 | 3 | ||
| Twocan | Bernie | Barge | M | San Miguel | California | USA | USA | 2012 Furnace Creek 508 | 51 | Four Man | FIN | 36:31:54 | 8 | HOF | |
| Twocan | Gary | Feldstein | M | Beverly Hills | California | USA | USA | 2012 Furnace Creek 508 | 56 | Four Man | FIN | 36:31:54 | 2 | ||
| Twocan | Matt | Skipper | M | Castaic | California | USA | USA | 2012 Furnace Creek 508 | 18 | Four Man | FIN | 36:31:54 | 5 | HOF | |
| Twocan | Tim | Skipper | M | Castaic | California | USA | USA | 2012 Furnace Creek 508 | 55 | Four Man | FIN | 36:31:54 | 8 | HOF | |
| Twocan | Ole | Eichhorn | M | Westlake Village | California | USA | USA | 2014 Trona 308 | 55 | Four Man | FIN | 18:17:00 | 1 | ||
| Twocan | Gary | Feldstein | M | Camarillo | California | USA | USA | 2014 Trona 308 | 59 | Four Man | FIN | 18:17:00 | 2 | ||
| Twocan | John | Quinones | M | Calabasas | California | USA | USA | 2014 Trona 308 | 57 | Four Man | FIN | 18:17:00 | |||
| Twocan | Tim | Skipper | M | Camarillo | California | USA | USA | 2014 Trona 308 | 56 | Four Man | FIN | 18:17:00 | 8 | HOF | |
| Twocan | Roehl | Caragao | M | Fresno | California | USA | USA | 2025 The 508 | 61 | Two Tandem Mixed Open | DNF | 18 | HOF | ||
| Twocan | Marilynn | Laswell | F | Mesa | Arizona | USA | USA | 2025 The 508 | 64 | Two Tandem Mixed Open | DNF | ||||
| Twocan | Kym | Louie | F | Boulder | Colorado | USA | USA | 2025 The 508 | 35 | Two Tandem Mixed Open | DNF | 3 | |||
| Twocan | Matt | Skipper | M | Diamond Bar | California | USA | USA | 2025 The 508 | 31 | Two Tandem Mixed Open | DNF | 5 | HOF | ||
| Ukalerk | Ellen | Kirk | F | Del Mar | California | USA | USA | 2011 Furnace Creek 508 | 53 | Four Woman | FIN | 36:49:24 | 2 | ||
| Ukalerk | Sherry | Newsham | F | Encinitas | California | USA | USA | 2011 Furnace Creek 508 | 63 | Four Woman | FIN | 36:49:24 | 3 | ||
| Ukalerk | Amy | Snyder | F | La Jolla | California | USA | USA | 2011 Furnace Creek 508 | 51 | Four Woman | FIN | 36:49:24 | 3 | ||
| Ukalerk | Lan | Tran | F | San Diego | California | USA | USA | 2011 Furnace Creek 508 | 60 | Four Woman | FIN | 36:49:24 | 3 | ||
| Under Dog | James | Pals | M | Mystic | Connecticut | USA | USA | 2007 Furnace Creek 508 | 35 | Solo | DNF | ||||
| Unicorn | Marshall | Ulrich | M | Ft. Morgan | Colorado | USA | USA | 1996 Furnace Creek 508 | 46 | Solo | FIN | 38:32:45 | Death Valley Cup | 1 | |
| Unicornfish | Michael | Deitchman | M | Sunnyvale | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 37 | Two Mixed | FIN | 26:09:00 | 4 | ||
| Unicornfish | Ingrid | Hillhouse | F | Houston | Texas | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 41 | Two Mixed | FIN | 26:09:00 | 1 | ||
| Unladen Swallow | Michael | Deitchman | M | San Jose | California | USA | USA | 2009 Furnace Creek 508 | 33 | Solo | DNF | 4 | |||
| Unladen Swallow | Michael | Deitchman | M | Sunnyvale | California | USA | USA | 2010 Furnace Creek 508 | 34 | Solo | DNF | 4 | |||
| Unladen Swallow | Michael | Deitchman | M | Sunnyvale | California | USA | USA | 2011 Furnace Creek 508 | 35 | Solo | FIN | 42:32:55 | 4 | ||
| Vampire Bat | Victor | Bueno | M | Los Angeles | California | USA | Philippines | 2017 Silver State 508 | 46 | Solo | FIN | 41:00:00 | 1 | ||
| Velo Slugs | Mihai | Filimon | M | South Lake Tahoe | California | USA | USA | 2020 Silver State 508 | 44 | Four Man Open | FIN | 23:28:37 | 4x Open 40+ Record | 1 | |
| Velo Slugs | Blake | Hermann | M | South Lake Tahoe | California | USA | USA | 2020 Silver State 508 | 32 | Four Man Open | FIN | 23:28:37 | 4x Open 40+ Record | 1 | |
| Velo Slugs | Pike | Reardon | M | Gardnerville | Nevada | USA | USA | 2020 Silver State 508 | 56 | Four Man Open | FIN | 23:28:37 | 4x Open 40+ Record | 1 | |
| Velo Slugs | Kevin | Willitts | M | South Lake Tahoe | California | USA | USA | 2020 Silver State 508 | 62 | Four Man Open | FIN | 23:28:37 | 4x Open 40+ Record | 1 | |
| Velociraptor | Maggie | Carmona | F | Walnut Creek | California | USA | USA | 2004 Furnace Creek 508 | 32 | Four Mixed | FIN | 30:27:33 | COURSE RECORD | 1 | |
| Velociraptor | Aunchalee E. | Loscalzo | F | Walnut Creek | California | USA | USA | 2004 Furnace Creek 508 | 32 | Four Mixed | FIN | 30:27:33 | COURSE RECORD | 1 | |
| Velociraptor | Miles | Murphy | M | Walnut Creek | California | USA | USA | 2004 Furnace Creek 508 | 30 | Four Mixed | FIN | 30:27:33 | COURSE RECORD | 1 | |
| Velociraptor | Joseph | Zwack | M | Oakland | California | USA | USA | 2004 Furnace Creek 508 | 44 | Four Mixed | FIN | 30:27:33 | COURSE RECORD | 1 | |
| Velvet Ant | Don | Williams | M | Livermore | California | USA | USA | 2010 Furnace Creek 508 | 44 | Solo | DNF | 2 | |||
| Velvet Ant | Don | Williams | M | Discovery Bay | California | USA | USA | 2011 Furnace Creek 508 | 45 | Solo | FIN | 47:52:00 | 2 | ||
| Vicuna | Larry | Von Kuster | M | Bellevue | Ohio | USA | USA | 1995 Furnace Creek 508 | 46 | Solo | FIN | 33:57:41 | 1 | ||
| Vicuna | Larry | Von Kuster | M | Bellevue | Ohio | USA | USA | 1999 Furnace Creek 508 | 50 | Solo | DNF | TS4 - stomach | |||
| Viper | Greg | Hiebert | M | San Jose | California | USA | USA | 2004 Furnace Creek 508 | 44 | Solo | DNF | 1 | |||
| Viper | Greg | Hiebert | M | San Jose | California | USA | USA | 2006 Furnace Creek 508 | 46 | Solo | FIN | 41:40:04 | 1 | ||
| Vireo Hangover | Lori | Hoechlin | F | Rancho Mission Viejo | California | USA | USA | 2020 Silver State 508 | 58 | Four Mixed Open | FIN | 28:02:47 | 7 | HOF | |
| Vireo Hangover | Mike | Reese | M | San Marcos | California | USA | USA | 2020 Silver State 508 | 58 | Four Mixed Open | FIN | 28:02:47 | 1 | ||
| Vireo Hangover | Barbara | Sullivan | F | Carlsbad | California | USA | USA | 2020 Silver State 508 | 63 | Four Mixed Open | FIN | 28:02:47 | 2 | ||
| Vireo Hangover | George | Vargas | M | San Marcos | California | USA | USA | 2020 Silver State 508 | 55 | Four Mixed Open | FIN | 28:02:47 | 11 | HOF | |
| Vizsla | Mark | Fillebrown | M | Spring Valley | California | USA | USA | 2014 Trona 308 | 39 | Solo Randonneur | FIN | 21:25:00 | |||
| Vulture | Jack | Vincent | M | Lakewood | Colorado | USA | USA | 1999 Furnace Creek 508 | 33 | Solo | FIN | 41:57:37 | RQ | 1 | |
| Wallaby | Michael | Weldy | M | USA | USA | 1998 Furnace Creek 508 | 39 | Solo | DNF | ||||||
| Walrus | John | Williams | M | San Clemente | California | USA | USA | 1993 Furnace Creek 508 | 45 | Solo | FIN | 37:41:41 | 8 | HOF | |
| Walrus | John | Williams | M | Capistrano Beach | California | USA | USA | 1996 Furnace Creek 508 | 48 | Solo | FIN | 30:29:19 | 4: two solo, two team | 8 | HOF |
| Wandering Albatross | Roehl | Caragao | M | Fresno | California | USA | USA | 2019 Silver State 508 | 56 | Two Man Open | FIN | 33:43:14 | 18 | HOF | |
| Wandering Albatross | Ira | Kucheck | M | Newport Beach | California | USA | USA | 2019 Silver State 508 | 63 | Two Man Open | FIN | 33:43:14 | 6 | HOF | |
| Warthog | John | Williams | M | Capistrano Beach | California | USA | USA | 1998 Furnace Creek 508 | 50 | Solo | FIN | 37:55:00 | 5: three solo, two team | 8 | HOF |
| Warthog | John | Williams | M | Capistrano Beach | California | USA | USA | 2000 Furnace Creek 508 | 52 | Solo | FIN | 37:33:03 | 8 | HOF | |
| Wasco | Philip | Jemielita | M | North Oaks | Minnesota | USA | USA | 2010 Furnace Creek 508 | 54 | Two Man | DNF | ||||
| Wasco | Robert | Rizzi | M | Bethesda | Maryland | USA | USA | 2010 Furnace Creek 508 | 61 | Two Man | DNF | ||||
| Wasp | Raymond | Williams | M | Riverside | California | USA | USA | 2000 Furnace Creek 508 | 50 | Solo | DNF | 3 | |||
| Wasp | Raymond | Williams | M | Riverside | California | USA | USA | 2001 Furnace Creek 508 | 51 | Solo | FIN | 47:20:00 | 3 | ||
| Wasp | Raymond | Williams | M | Riverside | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 63 | Solo | DNF | 3 | |||
| Water Bear | Robert | Buntrock | M | Discovery Bay | California | USA | USA | 2006 Furnace Creek 508 | 42 | Solo | FIN | 40:59:34 | 1 | ||
| Water Dog | Ole | Eichhorn | M | Westlake Village | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 55 | Four Man | FIN | 24:45:00 | 1 | ||
| Water Dog | Gary | Feldstein | M | Westlake Village | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 57 | Four Man | FIN | 24:45:00 | 2 | ||
| Water Dog | Matt | Skipper | M | Castaic | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 19 | Four Man | FIN | 24:45:00 | 5 | HOF | |
| Water Dog | Tim | Skipper | M | Cataic | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 56 | Four Man | FIN | 24:45:00 | 8 | HOF | |
| Water Dragon | Charlie | Engle | M | Greensboro | North Carolina | USA | USA | 2007 Furnace Creek 508 | 45 | Solo | FIN | 34:31:12 | 3 | ||
| Water Dragon | Charlie | Engle | M | Greensboro | North Carolina | USA | USA | 2009 Furnace Creek 508 | 47 | Solo | FIN | 33:19:25 | New Death Valley Cup record! | 3 | |
| Water Dragon | Charlie | Engle | M | Greensboro | North Carolina | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 51 | Solo | FIN | 22:42:00 | 3 | ||
| Waterbuck | Charlie | Wilson | M | Santee | California | USA | USA | 1995 Furnace Creek 508 | 35 | Solo | FIN | 39:30:15 | 2 | ||
| Weasel | Dan | McCluskey | M | USA | USA | 1994 Furnace Creek 508 | 46 | Four Man | FIN | 24:17:03 | 1 | ||||
| Weasel | Dave | McComos | M | USA | USA | 1994 Furnace Creek 508 | N/A | Four Man | FIN | 24:17:03 | 2 | ||||
| Weasel | Mike | Morrill | M | San Clemente | California | USA | USA | 1994 Furnace Creek 508 | N/A | Four Man | FIN | 24:17:03 | 2 | ||
| Weasel | John | Williams | M | Capistrano Beach | California | USA | USA | 1994 Furnace Creek 508 | 46 | Four Man | FIN | 24:17:03 | 8 | HOF | |
| Weasel | David | Isaacs | M | USA | USA | 1995 Furnace Creek 508 | N/A | Four Man | FIN | 22:17:20 | 2nd team finish | 1 | |||
| Weasel | Dave | McComos | M | USA | USA | 1995 Furnace Creek 508 | N/A | Four Man | FIN | 22:17:20 | 2nd team finish | 2 | |||
| Weasel | Mike | Morrill | M | San Clemente | California | USA | USA | 1995 Furnace Creek 508 | N/A | Four Man | FIN | 22:17:20 | 2nd team finish | 2 | |
| Weasel | John | Williams | M | Capistrano Beach | California | USA | USA | 1995 Furnace Creek 508 | 47 | Four Man | FIN | 22:17:20 | 2nd team finish | 8 | HOF |
| Welsh Dragon | Richard | Rawlinson | M | Milford Haven | Pembrokeshire | United Kingdom | United Kingdom | 2019 Silver State 508 | 54 | Solo | FIN | 46:25:48 | 1 | ||
| Welsh Dragon | Richard | Rawlinson | M | Milford Haven | United Kingdom | United Kingdom | 2024 Silver State 508 | N/A | Solo | DNF | 1 | ||||
| Werewolf | Timothy | Woudenberg | M | Moss Beach | California | USA | USA | 2003 Furnace Creek 508 | 46 | Solo | FIN | 33:23:51 | 7 | HOF | |
| Werewolf | Timothy | Woudenberg | M | Moss Beach | California | USA | USA | 2005 Furnace Creek 508 | 48 | Solo Recumbent | FIN | 36:52:44 | 7 | HOF | |
| Werewolf | Timothy | Woudenberg | M | Moss Beach | California | USA | USA | 2006 Furnace Creek 508 | 49 | Solo Recumbent | FIN | 31:50:35 | Age Group and overall Superstock recumbent course record | 7 | HOF |
| Werewolf | Timothy | Woudenberg | M | Moss Beach | California | USA | USA | 2007 Furnace Creek 508 | 50 | Solo Recumbent | FIN | 36:28:14 | 7 | HOF | |
| Werewolf | Timothy | Woudenberg | M | Moss Beach | California | USA | USA | 2008 Furnace Creek 508 | 51 | Solo Recumbent | FIN | 36:29:58 | 7 | HOF | |
| Werewolf | Richard | Philabaum | M | Phoenix | Arizona | USA | USA | 2009 Furnace Creek 508 | 55 | Two Man Recumbent | FIN | 42:05:57 | 1 | ||
| Werewolf | Timothy | Woudenberg | M | Moss Beach | California | USA | USA | 2009 Furnace Creek 508 | 52 | Two Man Recumbent | FIN | 42:05:57 | 7 | HOF | |
| Werewolf | Timothy | Woudenberg | M | San Francisco | California | USA | USA | 2010 Furnace Creek 508 | 53 | Solo Recumbent | DNF | 7 | HOF | ||
| Werewolf | Timothy | Woudenberg | M | San Francisco | California | USA | USA | 2011 Furnace Creek 508 | N/A | Solo Recumbent | FIN | 35:33:30 | 7 | HOF | |
| Wessex Wyvern | Colin | Stokes | M | Mission Viejo | California | USA | USA | 2012 Furnace Creek 508 | 46 | Solo | FIN | 43:44:30 | 4 | ||
| West Coast Puffins | Jim | Brewer | M | La Habra | California | USA | USA | 2010 Furnace Creek 508 | 72 | Two Man | FIN | 43:50:31 | 1 | ||
| West Coast Puffins | Bob | Fieldhouse | M | Anaheim | California | USA | USA | 2010 Furnace Creek 508 | 72 | Two Man | FIN | 43:50:31 | 1 | ||
| Western Mojave Tortoise | Jeff | Cross | M | Burbank | California | USA | USA | 2008 Furnace Creek 508 | 45 | Four Man | FIN | 33:21:11 | 1 | ||
| Western Mojave Tortoise | Rod | Garcia | M | Northridge | California | USA | USA | 2008 Furnace Creek 508 | 48 | Four Man | FIN | 33:21:11 | 1 | ||
| Western Mojave Tortoise | Ron | Sarchian | M | Sherman Oaks | California | USA | USA | 2008 Furnace Creek 508 | 44 | Four Man | FIN | 33:21:11 | 1 | ||
| Western Mojave Tortoise | Gordon | Zabrecky | M | Saugus | California | USA | USA | 2008 Furnace Creek 508 | 45 | Four Man | FIN | 33:21:11 | 1 | ||
| Western Wood Pewee | William West | Clark, Jr | M | Salinas | California | USA | USA | 2004 Furnace Creek 508 | 53 | Four Man | FIN | 38:29:35 | COURSE RECORD | 5 | HOF |
| Western Wood Pewee | James | Gilman | M | Salinas | California | USA | USA | 2004 Furnace Creek 508 | 55 | Four Man | FIN | 38:29:35 | COURSE RECORD | 6 | HOF |
| Western Wood Pewee | Joseph | Schlater | M | Beverly Hills | California | USA | USA | 2004 Furnace Creek 508 | 41 | Four Man | FIN | 38:29:35 | COURSE RECORD | 1 | |
| Western Wood Pewee | Bill | Zimmerman | M | Carmel Valley | California | USA | USA | 2004 Furnace Creek 508 | 53 | Four Man | FIN | 38:29:35 | COURSE RECORD | 18 | HOF |
| Western Wood Pewee | Hector | Chavez | M | Monterey | California | USA | USA | 2005 Furnace Creek 508 | 62 | Four Man | FIN | 33:40:52 | 6 | HOF | |
| Western Wood Pewee | William West | Clark, Jr | M | Salinas | California | USA | USA | 2005 Furnace Creek 508 | 54 | Four Man | FIN | 33:40:52 | 5 | HOF | |
| Western Wood Pewee | James | Gilman | M | Salinas | California | USA | USA | 2005 Furnace Creek 508 | 56 | Four Man | FIN | 33:40:52 | 6 | HOF | |
| Western Wood Pewee | Bill | Zimmerman | M | Carmel Valley | California | USA | USA | 2005 Furnace Creek 508 | 54 | Four Man | FIN | 33:40:52 | 18 | HOF | |
| Western Wood Pewee | Hector | Chavez | M | Pacific Grove | California | USA | USA | 2006 Furnace Creek 508 | 63 | Four Man | FIN | 35:23:03 | 6 | HOF | |
| Western Wood Pewee | James | Gilman | M | Salinas | California | USA | USA | 2006 Furnace Creek 508 | 57 | Four Man | FIN | 35:23:03 | 6 | HOF | |
| Western Wood Pewee | Jan | Valencia | M | Seaside | California | USA | United Kingdom | 2006 Furnace Creek 508 | 61 | Four Man | FIN | 35:23:03 | 1 | ||
| Western Wood Pewee | Bill | Zimmerman | M | Carmel Valley | California | USA | USA | 2006 Furnace Creek 508 | 55 | Four Man | FIN | 35:23:03 | 18 | HOF | |
| Western Wood Pewee | William West | Clark, Jr | M | Salinas | California | USA | USA | 2007 Furnace Creek 508 | 56 | Four Man | FIN | 35:15:51 | 5 | HOF | |
| Western Wood Pewee | Philip | Darst | M | Salinas | California | USA | USA | 2007 Furnace Creek 508 | 64 | Four Man | FIN | 35:15:51 | 1 | ||
| Western Wood Pewee | James | Gilman | M | Salinas | California | USA | USA | 2007 Furnace Creek 508 | 58 | Four Man | FIN | 35:15:51 | 6 | HOF | |
| Western Wood Pewee | Bill | Zimmerman | M | Carmel Valley | California | USA | USA | 2007 Furnace Creek 508 | 56 | Four Man | FIN | 35:15:51 | 18 | HOF | |
| Western Wood Pewee | William West | Clark, Jr | M | Salinas | California | USA | USA | 2008 Furnace Creek 508 | 57 | Four Man | FIN | 34:01:34 | 5 | HOF | |
| Western Wood Pewee | Patrick | Deberdt | M | Salinas | California | USA | USA | 2008 Furnace Creek 508 | 50 | Four Man | FIN | 34:01:34 | 1 | ||
| Western Wood Pewee | James | Gilman | M | Salinas | California | USA | USA | 2008 Furnace Creek 508 | 59 | Four Man | FIN | 34:01:34 | 6 | HOF | |
| Western Wood Pewee | Bill | Zimmerman | M | Carmel Valley | California | USA | USA | 2008 Furnace Creek 508 | 57 | Four Man | FIN | 34:01:34 | 18 | HOF | |
| Western Wood Pewee | Hector | Chavez | M | Monterey | California | USA | USA | 2009 Furnace Creek 508 | 66 | Four Man | FIN | 41:33:04 | 6 | HOF | |
| Western Wood Pewee | William West | Clark, Jr | M | Pebble Beach | California | USA | USA | 2009 Furnace Creek 508 | 58 | Four Man | FIN | 41:33:04 | 5 | HOF | |
| Western Wood Pewee | James | Gilman | M | Salinas | California | USA | USA | 2009 Furnace Creek 508 | 60 | Four Man | FIN | 41:33:04 | 6 | HOF | |
| Western Wood Pewee | Bill | Zimmerman | M | Carmel Valley | California | USA | USA | 2009 Furnace Creek 508 | 58 | Four Man | FIN | 41:33:04 | 18 | HOF | |
| Western Wood Pewee | Patrick | Deberdt | M | Salinas | California | USA | USA | 2010 Furnace Creek 508 | 52 | Two Man | DNF | 1 | |||
| Western Wood Pewee | Bill | Zimmerman | M | Carmel Valley | California | USA | USA | 2010 Furnace Creek 508 | 59 | Two Man | DNF | 18 | HOF | ||
| Western Wood Pewee | Jeff | Lindenthal | M | Salinas | California | USA | USA | 2011 Furnace Creek 508 | 53 | Four Man | FIN | 33:15:52 | 7 | HOF | |
| Western Wood Pewee | Dennis | Spencer | M | Salinas | California | USA | USA | 2011 Furnace Creek 508 | 51 | Four Man | FIN | 33:15:52 | 7 | HOF | |
| Western Wood Pewee | Charlie | Watler | M | Stevenson Ranch | California | USA | USA | 2011 Furnace Creek 508 | 44 | Four Man | FIN | 33:15:52 | 3 | ||
| Western Wood Pewee | Bill | Zimmerman | M | Carmel Valley | California | USA | USA | 2011 Furnace Creek 508 | 60 | Four Man | FIN | 33:15:52 | 18 | HOF | |
| Western Wood Pewee | Hector | Chavez | M | Pacific Grove | California | USA | USA | 2012 Furnace Creek 508 | 69 | Four Man | FIN | 34:19:35 | 6 | HOF | |
| Western Wood Pewee | Jeff | Lindenthal | M | Salinas | California | USA | USA | 2012 Furnace Creek 508 | 54 | Four Man | FIN | 34:19:35 | 7 | HOF | |
| Western Wood Pewee | Charlie | Watler | M | Stevenson Ranch | California | USA | USA | 2012 Furnace Creek 508 | 45 | Four Man | FIN | 34:19:35 | 3 | ||
| Western Wood Pewee | Bill | Zimmerman | M | Carmel Valley | California | USA | USA | 2012 Furnace Creek 508 | 61 | Four Man | FIN | 34:19:35 | 18 | HOF | |
| Western Wood Pewee | Hector | Chavez | M | Pacific Grove | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 70 | Four Man | FIN | 23:49:00 | 6 | HOF | |
| Western Wood Pewee | Jeff | Lindenthal | M | Salinas | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 55 | Four Man | FIN | 23:49:00 | 7 | HOF | |
| Western Wood Pewee | Dennis | Spencer | M | Salinas | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 53 | Four Man | FIN | 23:49:00 | 7 | HOF | |
| Western Wood Pewee | Bill | Zimmerman | M | Carmel Valley | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 62 | Four Man | FIN | 23:49:00 | 18 | HOF | |
| Western Wood Pewee | Hector | Chavez | M | Pacific Grove | California | USA | USA | 2014 Silver State 508 | 71 | Four Man | FIN | 32:33:00 | 6 | HOF | |
| Western Wood Pewee | Jeff | Lindenthal | M | Salinas | California | USA | USA | 2014 Silver State 508 | 55 | Four Man | FIN | 32:33:00 | 7 | HOF | |
| Western Wood Pewee | Dennis | Spencer | M | Salinas | California | USA | USA | 2014 Silver State 508 | 54 | Four Man | FIN | 32:33:00 | 7 | HOF | |
| Western Wood Pewee | Bill | Zimmerman | M | Carmel Valley | California | USA | USA | 2014 Silver State 508 | 63 | Four Man | FIN | 32:33:00 | 18 | HOF | |
| Western Wood Pewee | Jeff | Lindenthal | M | Salinas | California | USA | USA | 2015 Silver State 508 | 56 | Four Man | FIN | 31:17:17 | 7 | HOF | |
| Western Wood Pewee | Dennis | Spencer | M | Salinas | California | USA | USA | 2015 Silver State 508 | 55 | Four Man | FIN | 31:17:17 | 7 | HOF | |
| Western Wood Pewee | Harrison | Spencer | M | San Francisco | California | USA | USA | 2015 Silver State 508 | 19 | Four Man | FIN | 31:17:17 | 1 | ||
| Western Wood Pewee | Bill | Zimmerman | M | Carmel Valley | California | USA | USA | 2015 Silver State 508 | 64 | Four Man | FIN | 31:17:17 | 18 | HOF | |
| Western Wood Pewee | Jeff | Lindenthal | M | Salinas | California | USA | USA | 2016 Silver State 508 | 57 | Four Man | DNF | 7 | HOF | ||
| Western Wood Pewee | Noah | Lindenthal | M | Salinas | California | USA | USA | 2016 Silver State 508 | 18 | Four Man | DNF | ||||
| Western Wood Pewee | Dennis | Spencer | M | Salinas | California | USA | USA | 2016 Silver State 508 | 56 | Four Man | DNF | 7 | HOF | ||
| Western Wood Pewee | Bill | Zimmerman | M | Carmel Valley | California | USA | USA | 2016 Silver State 508 | 65 | Four Man | DNF | 18 | HOF | ||
| Whale | Mike | Wilson | M | Saratoga | California | USA | USA | 1993 Furnace Creek 508 | 48 | Solo | FIN | 43:16:28 | 3 | ||
| Whale | Mike | Wilson | M | Saratoga | California | USA | USA | 1995 Furnace Creek 508 | 50 | Solo | FIN | 34:18:07 | 3: two solo, one team | 3 | |
| Whippet | Nick | Bement | M | USA | USA | 1995 Furnace Creek 508 | 46 | Four Man | FIN | 27:51:00 | 1 | ||||
| Whippet | Larry | Mahrenholtz | M | Azusa | California | USA | USA | 1995 Furnace Creek 508 | 48 | Four Man | FIN | 27:51:00 | 1 | ||
| Whippet | Bob | McRae | M | USA | USA | 1995 Furnace Creek 508 | 51 | Four Man | FIN | 27:51:00 | 1 | ||||
| Whippet | Jerry | Wildermuth | M | Whittier | California | USA | USA | 1995 Furnace Creek 508 | 48 | Four Man | FIN | 27:51:00 | 5 | HOF | |
| Whippet | Ron | Byrum | M | USA | USA | 1996 Furnace Creek 508 | 36 | Four Man | FIN | 29:41:51 | 3 | ||||
| Whippet | Jewett | Pattee | M | Long Beach | California | USA | USA | 1996 Furnace Creek 508 | 73 | Four Man | FIN | 29:41:51 | 5 | HOF | |
| Whippet | Bob | Walz | M | USA | USA | 1996 Furnace Creek 508 | 51 | Four Man | FIN | 29:41:51 | 1 | ||||
| Whippet | Jerry | Wildermuth | M | Whittier | California | USA | USA | 1996 Furnace Creek 508 | 49 | Four Man | FIN | 29:41:51 | 5 | HOF | |
| Whippet | Ron | Byrum | M | USA | USA | 1997 Furnace Creek 508 | 37 | Four Man | FIN | 28:42:57 | 3 | ||||
| Whippet | Kevin | Kester | M | USA | USA | 1997 Furnace Creek 508 | 40 | Four Man | FIN | 28:42:57 | 1 | ||||
| Whippet | Santiago | Ramos | M | California | USA | USA | 1997 Furnace Creek 508 | 51 | Four Man | FIN | 28:42:57 | 1 | |||
| Whippet | Jerry | Wildermuth | M | Whittier | California | USA | USA | 1997 Furnace Creek 508 | 50 | Four Man | FIN | 28:42:57 | 5 | HOF | |
| Whippet | Ron | Byrum | M | USA | USA | 1998 Furnace Creek 508 | 38 | Four Man | FIN | 31:53:10 | 2nd team finish | 3 | |||
| Whippet | Katherine O. | Kearney | F | Long Beach | California | USA | USA | 1998 Furnace Creek 508 | 36 | Four Man | FIN | 31:53:10 | 2nd team finish | 3 | |
| Whippet | Jewett | Pattee | M | Long Beach | California | USA | USA | 1998 Furnace Creek 508 | 75 | Four Man | FIN | 31:53:10 | 2nd team finish | 5 | HOF |
| Whippet | Ron | Way | M | Downey | California | USA | USA | 1998 Furnace Creek 508 | 63 | Four Man | FIN | 31:53:10 | 2nd team finish | 5 | HOF |
| Whippet | Katherine O. | Kearney | F | Long Beach | California | USA | USA | 1999 Furnace Creek 508 | 37 | Four Mixed | FIN | 33:17:15 | Mix 50+ CR | 3 | |
| Whippet | Jewett | Pattee | M | Long Beach | California | USA | USA | 1999 Furnace Creek 508 | 76 | Four Mixed | FIN | 33:17:15 | Mix 50+ CR | 5 | HOF |
| Whippet | Carmelita | Sellers | F | Redondo Beach | California | USA | USA | 1999 Furnace Creek 508 | 65 | Four Mixed | FIN | 33:17:15 | Mix 50+ CR | 1 | |
| Whippet | Jerry | Wildermuth | M | Whittier | California | USA | USA | 1999 Furnace Creek 508 | 52 | Four Mixed | FIN | 33:17:15 | Mix 50+ CR | 5 | HOF |
| Whippet | Joe | Brown | M | Simi Valley | California | USA | USA | 2000 Furnace Creek 508 | 56 | Four Man | FIN | 31:37:38 | 3 | ||
| Whippet | Jewett | Pattee | M | Long Beach | California | USA | USA | 2000 Furnace Creek 508 | 77 | Four Man | FIN | 31:37:38 | 5 | HOF | |
| Whippet | Shorty | Ramos | M | La Mirada | California | USA | USA | 2000 Furnace Creek 508 | 54 | Four Man | FIN | 31:37:38 | 1 | ||
| Whippet | Ron | Way | M | Downey | California | USA | USA | 2000 Furnace Creek 508 | 65 | Four Man | FIN | 31:37:38 | 5 | HOF | |
| Whippet | Katherine O. | Kearney | F | Long Beach | California | USA | USA | 2003 Furnace Creek 508 | 41 | Four Mixed | FIN | 33:27:55 | 3 | ||
| Whippet | Elizabeth | Pattee | F | Lakewood | California | USA | USA | 2003 Furnace Creek 508 | 25 | Four Mixed | FIN | 33:27:55 | 1 | ||
| Whippet | Jewett | Pattee | M | Long Beaach | California | USA | USA | 2003 Furnace Creek 508 | 80 | Four Mixed | FIN | 33:27:55 | 5 | HOF | |
| Whippet | Jerry | Wildermuth | M | Whittier | California | USA | USA | 2003 Furnace Creek 508 | 56 | Four Mixed | FIN | 33:27:55 | 5 | HOF | |
| Whippoorwill | David | Collum | M | Stockton | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 60 | Solo | FIN | 31:56:00 | 1 | ||
| Whippoorwill | David | Collum | M | Stockton | California | USA | USA | 2014 Silver State 508 | 61 | Solo | DNF | 1 | |||
| Whistle Pig | Ronell | Mallari | M | Santa Clara | California | USA | Philippines | 2014 Silver State 508 | 41 | Four Man | DNF | 1 | |||
| Whistle Pig | Robert | Mardell | M | Santa Clara | California | USA | USA | 2014 Silver State 508 | 46 | Four Man | DNF | 5 | HOF | ||
| Whistle Pig | Bill | Stover | M | San Jose | California | USA | USA | 2014 Silver State 508 | 61 | Four Man | DNF | ||||
| Whistle Pig | Brandon | Tinianov | M | Santa Clara | California | USA | USA | 2014 Silver State 508 | 45 | Four Man | DNF | 2 | |||
| Whistle Pig | Ken | Emerson | M | San Jose | California | USA | USA | 2015 Silver State 508 | 57 | Four Man Fixed Gear | FIN | 35:04:13 | 5 | HOF | |
| Whistle Pig | Robert | Mardell | M | Santa Clara | California | USA | USA | 2015 Silver State 508 | 47 | Four Man Fixed Gear | FIN | 35:04:13 | 5 | HOF | |
| Whistle Pig | Kaley | McCumber | F | San Jose | California | USA | USA | 2015 Silver State 508 | 35 | Four Man Fixed Gear | FIN | 35:04:13 | 2 | ||
| Whistle Pig | Jeremy | Shapiro | M | Walnut | California | USA | USA | 2015 Silver State 508 | 34 | Four Man Fixed Gear | FIN | 35:04:13 | 2 | ||
| Whistle Pig | Robert | Mardell | M | Santa Clara | California | USA | USA | 2018 Silver State 508 | 50 | Two Man Fixed Gear | FIN | 40:15:05 | 5 | HOF | |
| Whistle Pig | Jeremy | Shapiro | M | Walnut | California | USA | USA | 2018 Silver State 508 | 37 | Two Man Fixed Gear | FIN | 40:15:05 | 2 | ||
| Whistle Pig | Andrew | Esler | M | San Jose | California | USA | USA | 2021 Silver State 508 | 19 | Four Mixed Fixed Gear | FIN | 32:59:00 | 1 | ||
| Whistle Pig | Robert | Mardell | M | Santa Clara | California | USA | USA | 2021 Silver State 508 | 53 | Four Mixed Fixed Gear | FIN | 32:59:00 | 5 | HOF | |
| Whistle Pig | Kaley | McCumber | F | Cupertino | California | USA | USA | 2021 Silver State 508 | 41 | Four Mixed Fixed Gear | FIN | 32:59:00 | 2 | ||
| Whistle Pig | Keisuke | Otsuka | M | San Jose | California | USA | Japan | 2021 Silver State 508 | 52 | Four Mixed Fixed Gear | FIN | 32:59:00 | 1 | ||
| White Buffalo | John R. | Caton | M | Spokane | Washington | USA | USA | 2004 Furnace Creek 508 | 47 | Solo | DNF | nausea and vomiting | |||
| White Eagle | Billy | Tenhagen | M | Eagle Mountain | Utah | USA | USA | 2020 Silver State 508 | 50 | Solo | DNS | ||||
| White Falcon | Ken | Shuart | M | Galesville | Maryland | USA | USA | 2012 Furnace Creek 508 | 51 | Solo | FIN | 45:47:36 | 1 | ||
| White Leopard | Debra | Banks | F | Sacramento | California | USA | USA | 2018 Silver State 508 | 61 | Four Mixed | FIN | 44:25:19 | 4 | ||
| White Leopard | George | Chung | M | Monterey Park | California | USA | USA | 2018 Silver State 508 | 59 | Four Mixed | FIN | 44:25:19 | 1 | ||
| White Leopard | Peg | Miller | F | Sylmar | California | USA | USA | 2018 Silver State 508 | 62 | Four Mixed | FIN | 44:25:19 | 6 | HOF | |
| White Leopard | Charles | Schroyer | M | Morgan Hill | California | USA | USA | 2018 Silver State 508 | 66 | Four Mixed | FIN | 44:25:19 | 9 | HOF | |
| White Owl | John | Clare | M | Long Beach | California | USA | USA | 2015 Silver State 508 | 52 | Four Man | FIN | 38:37:20 | 6 | HOF | |
| White Owl | Ira | Kucheck | M | Newport Beach | California | USA | USA | 2015 Silver State 508 | 59 | Four Man | FIN | 38:37:20 | 6 | HOF | |
| White Owl | Humberto | Mancilla | M | Los Angeles | California | USA | USA | 2015 Silver State 508 | 34 | Four Man | FIN | 38:37:20 | 1 | ||
| White Owl | Steve | Meichtry | M | West Hills | California | USA | USA | 2015 Silver State 508 | 63 | Four Man | FIN | 38:37:20 | 5 | HOF | |
| White Owl | Steve | Meichtry | M | West Hills | California | USA | USA | 2016 Silver State 508 | 64 | Solo | FIN | 42:16:00 | 5 | HOF | |
| White Owl | Ira | Kucheck | M | Newport Beach | California | USA | USA | 2020 Silver State 508 | 64 | Two Man Open | FIN | 35:51:56 | 6 | HOF | |
| White Owl | Steve | Meichtry | M | West Hills | California | USA | USA | 2020 Silver State 508 | 68 | Two Man Open | FIN | 35:51:56 | 5 | HOF | |
| White Owl | Steve | Meichtry | M | West Hills | California | USA | USA | 2021 Silver State 508 | 69 | Solo Randonneur | DNF | 5 | HOF | ||
| White Owl | Margaret | Howell Benson | F | Brendwood | California | USA | USA | 2022 Silver State 508 | 56 | Four Mixed | FIN | 35:55:00 | 2 | ||
| White Owl | Ronald | Iseri | M | Camarillo | California | USA | USA | 2022 Silver State 508 | 60 | Four Mixed | FIN | 35:55:00 | 2 | ||
| White Owl | Steve | Meichtry | M | West Hills | California | USA | USA | 2022 Silver State 508 | 70 | Four Mixed | FIN | 35:55:00 | 5 | HOF | |
| White Owl | Peg | Miller | F | San Jose | California | USA | USA | 2022 Silver State 508 | 67 | Four Mixed | FIN | 35:55:00 | 6 | HOF | |
| White Rabbit | Anna | Leeg | F | Middleton | Wisconsin | USA | USA | 2007 Furnace Creek 508 | 37 | Solo | DNF | 1 | |||
| White Rabbit | Anna | Leeg | F | Middleton | Wisconsin | USA | USA | 2008 Furnace Creek 508 | 38 | Solo | FIN | 43:26:05 | 1 | ||
| White Shark | Mark | Kolding | M | Oakland | California | USA | USA | 2021 Silver State 508 | 29 | Solo | FIN | 33:13:07 | 2 | ||
| White Shark | Mark | Kolding | M | Oakland | California | USA | USA | 2022 Silver State 508 | 30 | Solo | DNF | 2 | |||
| White Tail Deer | David | Heckman | M | El Granada | California | USA | USA | 2005 Furnace Creek 508 | 31 | Solo | FIN | 47:40:30 | 2 | ||
| White Weasel | Rob | Berry | M | Bakersfield | California | USA | USA | 2007 Furnace Creek 508 | 33 | Solo | DNS | ||||
| Whooping Cranes | Joe | Brown | M | Simi Valley | California | USA | USA | 2007 Furnace Creek 508 | 63 | Two Man | FIN | 31:46:29 | 3 | ||
| Whooping Cranes | Dan | Crain | M | Irvine | California | USA | USA | 2007 Furnace Creek 508 | 62 | Two Man | FIN | 31:46:29 | 7 | HOF | |
| Wiener Dog | Danny | Westergaard | M | Rolling Hills | California | USA | USA | 2007 Furnace Creek 508 | 48 | Solo | FIN | 35:51:38 | 15 | HOF | |
| Wiener Dog | Danny | Westergaard | M | Rolling Hills | California | USA | USA | 2008 Furnace Creek 508 | 49 | Solo | FIN | 34:38:34 | 2008 Death Valley Cup: Badwater + The 508 | 15 | HOF |
| Wiener Dog | Danny | Westergaard | M | Rolling Hills | California | USA | USA | 2009 Furnace Creek 508 | 50 | Solo | FIN | 39:54:25 | 15 | HOF | |
| Wiener Dog | Danny | Westergaard | M | Rolling Hills | California | USA | USA | 2010 Furnace Creek 508 | 51 | Solo | FIN | 40:32:17 | 15 | HOF | |
| Wiener Dog | Danny | Westergaard | M | Rolling hills | California | USA | USA | 2011 Furnace Creek 508 | 52 | Solo | FIN | 37:40:22 | 15 | HOF | |
| Wiener Dog | Danny | Westergaard | M | Rolling Hills | California | USA | USA | 2012 Furnace Creek 508 | 53 | Solo | FIN | 39:52:42 | 15 | HOF | |
| Wiener Dog | Danny | Westergaard | M | Palos Verdes Estates | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 54 | Solo | FIN | 28:54:00 | 15 | HOF | |
| Wiener Dog | Danny | Westergaard | M | Palos Verdes Estates | California | USA | USA | 2014 Silver State 508 | 55 | Solo | FIN | 41:23:00 | 15 | HOF | |
| Wiener Dog | Danny | Westergaard | M | Palos Verdes Estates | California | USA | USA | 2015 Silver State 508 | 56 | Solo Randonneur | FIN | 43:08:00 | 15 | HOF | |
| Wiener Dog | Danny | Westergaard | M | Palos Verdes Estates | California | USA | USA | 2016 Silver State 508 | 57 | Solo Randonneur | FIN | 43:30:00 | 15 | HOF | |
| Wiener Dog | Danny | Westergaard | M | Palos Verdes Estates | California | USA | USA | 2017 Silver State 508 | 58 | Solo | FIN | 42:25:00 | 15 | HOF | |
| Wiener Dog | Danny | Westergaard | M | Palos Verdes Estates | California | USA | USA | 2018 Silver State 508 | 58 | Solo Randonneur | FIN | 46:59:52 | 15 | HOF | |
| Wiener Dog | Danny | Westergaard | M | Palos Verdes Estates | California | USA | USA | 2020 Silver State 508 | 61 | Solo Randonneur | FIN | 45:47:30 | 15 | HOF | |
| Wiener Dog | Danny | Westergaard | M | Palos Verdes Estates | California | USA | USA | 2022 Silver State 508 | 63 | Solo Randonneur | FIN | 45:25:00 | 15 | HOF | |
| Wiener Dog | Danny | Westergaard | M | Palos Verdes Estates | California | USA | USA | 2023 Silver State 508 | N/A | Solo Randonneur | FIN | 45:57:10 | 15 | HOF | |
| Wild Boar | Roberta | Trotta | M | SUSA | Torino | Italy | Italy | 2011 Furnace Creek 508 | 46 | Solo | FIN | 37:36:38 | 1 | ||
| Wild Buck | Gerry | Cody | M | Los Angeles | California | USA | USA | 2008 Furnace Creek 508 | 30 | Solo | FIN | 36:34:43 | 1 | ||
| Wild Burros | Jacob | Breidenbach | M | Los Angeles | California | USA | USA | 2010 Furnace Creek 508 | 23 | Four Mixed | FIN | 36:45:39 | 1 | ||
| Wild Burros | Megan | Dean | F | Los Angeles | California | USA | USA | 2010 Furnace Creek 508 | 26 | Four Mixed | FIN | 36:45:39 | 5 | HOF | |
| Wild Burros | Sasha | Perry | F | Los Angeles | California | USA | USA | 2010 Furnace Creek 508 | 26 | Four Mixed | FIN | 36:45:39 | 1 | ||
| Wild Burros | Michael | Szerszunowicz | M | Los Angeles | California | USA | USA | 2010 Furnace Creek 508 | 27 | Four Mixed | FIN | 36:45:39 | 1 | ||
| Wild Dogs | Jim | Cook | M | San Clemente | California | USA | USA | 2010 Furnace Creek 508 | 57 | Two Man | FIN | 37:34:52 | 2 | ||
| Wild Dogs | John | Witkowicki | M | Petaluma | California | USA | USA | 2010 Furnace Creek 508 | 60 | Two Man | FIN | 37:34:52 | 2 | ||
| Wild Dogs | Jim | Cook | M | San Clemente | California | USA | USA | 2011 Furnace Creek 508 | 58 | Two Man | FIN | 33:14:51 | 2 | ||
| Wild Dogs | John | Witkowicki | M | Sonoma | California | USA | USA | 2011 Furnace Creek 508 | 61 | Two Man | FIN | 33:14:51 | 2 | ||
| Wild Hare | Steve | Bursley | M | Pleasanton | California | USA | USA | 2011 Furnace Creek 508 | 53 | Two Man | FIN | 33:56:08 | 7 | HOF | |
| Wild Hare | Michael | Melville | M | San Lorenzo | California | USA | USA | 2011 Furnace Creek 508 | 57 | Two Man | FIN | 33:56:08 | 2 | ||
| Wild Hare | Steve | Bursley | M | Pleasanton | California | USA | USA | 2012 Furnace Creek 508 | 54 | Two Man | FIN | 36:40:29 | 7 | HOF | |
| Wild Hare | Neal | Herman | M | Mountain View | California | USA | USA | 2012 Furnace Creek 508 | 56 | Two Man | FIN | 36:40:29 | 8 | HOF | |
| Wild Mares | Kitty | Goursolle | F | San Ramon | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 58 | Four Woman | FIN | 27:48:00 | 2 | ||
| Wild Mares | Elaine | Mariolle | F | Tucson | Arizona | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 56 | Four Woman | FIN | 27:48:00 | 2 | ||
| Wild Mares | Susan | Notorangelo | F | Sharon | Wisconsin | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 60 | Four Woman | FIN | 27:48:00 | 1 | ||
| Wild Mares | Cindi | Staiger | F | San Jose | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 61 | Four Woman | FIN | 27:48:00 | 4 | ||
| Wild Mustang | Keith | Laird | M | Ventura | California | USA | USA | 2007 Furnace Creek 508 | 52 | Solo | DNF | 2 | |||
| Wild Mustang | Keith | Laird | M | Ventura | California | USA | USA | 2011 Furnace Creek 508 | 55 | Solo | DNF | 2 | |||
| Wild Rooster | Keith | Laird | M | Ventura | California | USA | USA | 2006 Furnace Creek 508 | 51 | Two Man | FIN | 32:22:30 | 2 | ||
| Wild Rooster | Eric | Wilson | M | Palmdale | California | USA | USA | 2006 Furnace Creek 508 | 54 | Two Man | FIN | 32:22:30 | 4 | ||
| Wild Turkey | Mike | Wilson | M | San Diego | California | USA | USA | 2007 Furnace Creek 508 | 34 | Solo | FIN | 41:44:53 | 4 | ||
| Wild Turkey | Mike | Wilson | M | San Diego | California | USA | USA | 2008 Furnace Creek 508 | 35 | Solo | FIN | 35:15:37 | 4 | ||
| Wild Turkey | Mike | Wilson | M | San Diego | California | USA | USA | 2011 Furnace Creek 508 | 38 | Solo | FIN | 36:01:01 | 4 | ||
| Wild Turkey | Mike | Wilson | M | San Diego | California | USA | USA | 2014 Silver State 508 | 41 | Solo | FIN | 32:32:00 | 4 | ||
| Wild Weasel | Jens | Winter | M | Gau-Bischofsheim | RLP | Germany | Germany | 2010 Furnace Creek 508 | 44 | Solo | DNF | ||||
| Wildcat | Lulu | Weschler | F | Colts Neck | New Jersey | USA | USA | 1998 Furnace Creek 508 | 50 | Solo | DNF | 1 | |||
| Wildebeest | Burt | Ward | M | USA | USA | 1997 Furnace Creek 508 | 57 | Solo | DNF | ||||||
| Wildebeest 2 | Scott | Buswell | M | San Bruno | California | USA | USA | 2011 Furnace Creek 508 | 39 | Solo | DNF | ||||
| Wile E Coyote | Paul | Grimm | M | Littleton | Colorado | USA | USA | 2010 Furnace Creek 508 | 42 | Solo | DNF | 1 | |||
| Wile E Coyote | Paul | Grimm | M | littleton | Colorado | USA | USA | 2012 Furnace Creek 508 | 44 | Solo | FIN | 45:10:28 | 1 | ||
| Wile E Coyote | Paul | Grimm | M | Fredonia | Arizona | USA | USA | 2015 Silver State 508 | 46 | Solo Randonneur | DNF | 1 | |||
| Wolf | Andreas | Uiberlacher | M | Rosegg | Austria | Austria | 2001 Furnace Creek 508 | 30 | Solo | FIN | 43:17:00 | 1 | |||
| Wolf Bat | Joseph | Desena | M | Pittsfield | Vermont | USA | USA | 2007 Furnace Creek 508 | 38 | Solo | FIN | 38:32:29 | 1 | ||
| Wolf Bat | Joseph | Desena | M | Pittsfield | Vermont | USA | USA | 2008 Furnace Creek 508 | 39 | Solo | DQ | 1 | |||
| Wolf Bird | David | Hunter-Inman | M | Victorville | California | USA | USA | 2007 Furnace Creek 508 | 49 | Solo | DNF | 1 | |||
| Wolf Fish | Gloria | Castro | F | Los Angeles | California | USA | USA | 2007 Furnace Creek 508 | 37 | Four Man | FIN | 36:22:48 | 2 | ||
| Wolf Fish | Mark | Rinaldi | M | Whittier | California | USA | USA | 2007 Furnace Creek 508 | 40 | Four Man | FIN | 36:22:48 | 1 | ||
| Wolf Fish | Alejandro | Trejo | M | Los Angeles | California | USA | USA | 2007 Furnace Creek 508 | 44 | Four Man | FIN | 36:22:48 | 2 | ||
| Wolf Fish | Chris | Watkins | M | Redlands | California | USA | USA | 2007 Furnace Creek 508 | 49 | Four Man | FIN | 36:22:48 | 1 | ||
| Wolf Fish | Gloria | Castro | F | Los Angeles | California | USA | USA | 2008 Furnace Creek 508 | 38 | Two Mixed | FIN | 37:44:44 | 2 | ||
| Wolf Fish | Alejandro | Trejo | M | Los Angeles | California | USA | USA | 2008 Furnace Creek 508 | 45 | Two Mixed | FIN | 37:44:44 | 2 | ||
| Wolf Pack | Neal | Herman | M | Mountain View | California | USA | USA | 2011 Furnace Creek 508 | 55 | Four Man | FIN | 34:02:40 | 8 | HOF | |
| Wolf Pack | Jerry | Hitchcock | M | Santa Clara | California | USA | USA | 2011 Furnace Creek 508 | 56 | Four Man | FIN | 34:02:40 | 3 | ||
| Wolf Pack | Mike | Sullivan | M | Palo Alto | California | USA | USA | 2011 Furnace Creek 508 | 38 | Four Man | FIN | 34:02:40 | 1 | ||
| Wolf Pack | Silvana | Torik | F | Santa Clara | California | USA | USA | 2011 Furnace Creek 508 | 52 | Four Man | FIN | 34:02:40 | 1 | ||
| Wolf Spider | Ann | Wooldridge | F | Gloucester | Gloucestershire | United Kingdom | United Kingdom | 2007 Furnace Creek 508 | 48 | Solo | FIN | 40:27:09 | 1 | ||
| Wolfdog | Bob | Corman | M | Mountain View | California | USA | USA | 2012 Furnace Creek 508 | 56 | Two Man | FIN | 39:12:14 | 7 | HOF | |
| Wolfdog | Jerry | Hitchcock | M | Santa Clara | California | USA | USA | 2012 Furnace Creek 508 | 57 | Two Man | FIN | 39:12:14 | 3 | ||
| Wolfman | Ruben | Flores | M | Oak Park | California | USA | USA | 2009 Furnace Creek 508 | 51 | Two Man | DNF | ||||
| Wolfman | Douglas | Kubler | M | Thousand Oaks | California | USA | USA | 2009 Furnace Creek 508 | 65 | Two Man | DNF | ||||
| Wolverine | Kevin | Walsh | M | Lancaster | California | USA | USA | 1991 October Furnace Creek 508 | 34 | Solo | FIN | 42:06:35 | 11 | HOF | |
| Wolverine | Kevin | Walsh | M | Lancaster | California | USA | USA | 1993 Furnace Creek 508 | 36 | Solo | DNF | 11 | HOF | ||
| Wolverine | Kevin | Walsh | M | Lancaster | California | USA | USA | 1995 Furnace Creek 508 | 38 | Solo | FIN | 39:44:44 | 2nd solo finish | 11 | HOF |
| Wolverine | Kevin | Walsh | M | Lancaster | California | USA | USA | 1999 Furnace Creek 508 | 42 | Solo | DNF | TS5 - stomach | 11 | HOF | |
| Wolverine | Kevin | Walsh | M | Lancaster | California | USA | USA | 2002 Furnace Creek 508 | 45 | Solo | FIN | 36:19:57 | New Qual. | 11 | HOF |
| Wolverine | Kevin | Walsh | M | Lancaster | California | USA | USA | 2003 Furnace Creek 508 | 46 | Solo | DNF | 11 | HOF | ||
| Wolverine | Kevin | Walsh | M | Lancaster | California | USA | USA | 2004 Furnace Creek 508 | 47 | Solo | FIN | 39:22:17 | 11 | HOF | |
| Wolverine | Kevin | Walsh | M | Lancaster | California | USA | USA | 2005 Furnace Creek 508 | 48 | Solo | FIN | 35:48:13 | 11 | HOF | |
| Wolverine | Kevin | Walsh | M | Lancaster | California | USA | USA | 2007 Furnace Creek 508 | 50 | Solo | FIN | 36:36:40 | 11 | HOF | |
| Wolverine | Kevin | Walsh | M | Lancaster | California | USA | USA | 2009 Furnace Creek 508 | 52 | Solo | DNF | 11 | HOF | ||
| Wolverine | Kevin | Walsh | M | Lancaster | California | USA | USA | 2010 Furnace Creek 508 | 53 | Solo | FIN | 45:12:53 | 11 | HOF | |
| Wolverine | Kevin | Walsh | M | Lancaster | California | USA | USA | 2011 Furnace Creek 508 | 54 | Solo | FIN | 37:11:04 | 11 | HOF | |
| Wolverine | Kevin | Walsh | M | Lancaster | California | USA | USA | 2012 Furnace Creek 508 | 55 | Solo | FIN | 41:01:01 | 11 | HOF | |
| Wolverine | Kevin | Walsh | M | Lancaster | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 56 | Solo | FIN | 23:37:00 | 11 | HOF | |
| Wolverine 2 | Deiter | Weik | M | Bakersfield | California | USA | USA | 1994 Furnace Creek 508 | 31 | Solo | FIN | 37:18:37 | 1 | ||
| Wolves | Wolfgang | Erhart | M | Austria | Austria | 1998 Furnace Creek 508 | N/A | Tandem Men | FIN | 29:58:18 | Course Record | 1 | |||
| Wolves | Franz | Kasserer | M | Austria | Austria | 1998 Furnace Creek 508 | N/A | Tandem Men | FIN | 29:58:18 | Course Record | 1 | |||
| Wombat | Dick | Weber | M | Clackamas | Oregon | USA | USA | 2003 Furnace Creek 508 | 61 | Solo | FIN | 36:50:33 | Course Record! | 1 | |
| Wombat | Jeffrey | Sparks | M | Sebastopol | California | USA | USA | 2023 Silver State 508 | N/A | Solo Randonneur | FIN | 42:08:08 | 1 | ||
| Wonder Women of the West | Kimmy | Campbell | F | Bakersfield | California | USA | USA | 2025 The 508 | 36 | Four Woman Open | FIN | 30:41:15 | Null | 1 | |
| Wonder Women of the West | Lori | Hoechlin | F | Rancho Mission Viejo | California | USA | USA | 2025 The 508 | 63 | Four Woman Open | FIN | 30:41:15 | Null | 7 | HOF |
| Wonder Women of the West | Deirdre | Mann | F | Whittier | California | USA | USA | 2025 The 508 | 53 | Four Woman Open | FIN | 30:41:15 | Null | 2 | |
| Wonder Women of the West | Barbara | Sullivan | F | Carlsbad | California | USA | USA | 2025 The 508 | 69 | Four Woman Open | FIN | 30:41:15 | Null | 2 | |
| Wood Bison | Sean | Flanagan | M | Kings Beach | California | USA | USA | 2021 Silver State 508 | 41 | Solo | DNF | ||||
| Wood Duck | Babak | Azad | M | Los Angeles | California | USA | USA | 2008 Furnace Creek 508 | 35 | Four Man | FIN | 33:41:50 | 2 | ||
| Wood Duck | Bruce | Comer | M | Playa Vista | California | USA | USA | 2008 Furnace Creek 508 | 43 | Four Man | FIN | 33:41:50 | 1 | ||
| Wood Duck | Mark | Fisler | M | Palos Verdes Estates | California | USA | USA | 2008 Furnace Creek 508 | 44 | Four Man | FIN | 33:41:50 | 1 | ||
| Wood Duck | Tod | Wood | M | Haiku | Hawaii | USA | USA | 2008 Furnace Creek 508 | 44 | Four Man | FIN | 33:41:50 | 1 | ||
| Wood Tick | James | Ehasz | M | Hereford | Arizona | USA | USA | 2018 Silver State 508 | 65 | Solo | DNF | ||||
| Wood Turtle | Jeff | Wong | M | Fremont | California | USA | USA | 2009 Furnace Creek 508 | 44 | Solo | FIN | 43:41:01 | 1 | ||
| Woodchuck | Richard | Anderson | M | USA | USA | 1994 Furnace Creek 508 | 41 | Four Man | FIN | 26:23:22 | 2 | ||||
| Woodchuck | David | Moore | M | USA | USA | 1994 Furnace Creek 508 | 23 | Four Man | FIN | 26:23:22 | 3 | ||||
| Woodchuck | Robert | Satterthwaite | M | USA | USA | 1994 Furnace Creek 508 | 23 | Four Man | FIN | 26:23:22 | 1 | ||||
| Woodchuck | Mike | Wilson | M | Saratoga | California | USA | USA | 1994 Furnace Creek 508 | 49 | Four Man | FIN | 26:23:22 | 3 | ||
| Woodduck | Evan | Anderman | M | Denver | Colorado | USA | USA | 2009 Furnace Creek 508 | 45 | Four Man | DNF | ||||
| Woodduck | Bruce | Comer | M | Playa Vista | California | USA | USA | 2009 Furnace Creek 508 | 44 | Four Man | DNF | 1 | |||
| Woodduck | Mark | Fisler | M | Palos Verdes Estates | California | USA | USA | 2009 Furnace Creek 508 | 45 | Four Man | DNF | 1 | |||
| Woodduck | Elizabeth | Kollar | F | Hermosa Beach | California | USA | USA | 2009 Furnace Creek 508 | 51 | Four Man | DNF | ||||
| Wooden Badger | Tobias | Panek | M | Poway | California | USA | USA | 2010 Furnace Creek 508 | 39 | Solo | FIN | 44:14:47 | 1 | ||
| Woodland Caribou | Paul | Millar | M | Toronto | Ontario | Canada | Canada | 2013 Furnace Creek 508, AKA Trona 353 | 52 | Solo | FIN | 21:53:00 | 1 | ||
| Woodpecker | Jim | Watrous | M | Riverside | California | USA | USA | May 1985 John Marino Open West | 47 | Solo | FIN | 69:50:00 | Oldest Finisher | 2 | |
| Woodpecker | Jim | Watrous | M | Riverside | California | USA | USA | April 1987 RAAM Open West | 48 | Solo | FIN | 37:25:00 | Oldest Finisher | 2 | |
| Woodpecker | Jim | Watrous | M | USA | USA | 1989 October RAAM Open West | 50 | Solo | DNF | 2 | |||||
| Woodpecker | Jim | Watrous | M | USA | USA | 1995 Furnace Creek 508 | 56 | Solo | DNF | 2 | |||||
| Woodtick | James | Ehasz | M | Hereford | Arizona | USA | USA | 2020 Silver State 508 | 68 | Solo | DNF | ||||
| Woody Woodpecker | William | Meadows | M | Van Nuys | California | USA | USA | 2011 Furnace Creek 508 | 38 | Four Man | FIN | 37:23:38 | 3 | ||
| Woody Woodpecker | Patti | Morena | F | La Crescenta | California | USA | USA | 2011 Furnace Creek 508 | 52 | Four Man | FIN | 37:23:38 | 3 | ||
| Woody Woodpecker | Tom | Regal | M | Chatsworth | California | USA | USA | 2011 Furnace Creek 508 | 44 | Four Man | FIN | 37:23:38 | 1 | ||
| Woody Woodpecker | John | Robinson | M | Moorpark | California | USA | USA | 2011 Furnace Creek 508 | 48 | Four Man | FIN | 37:23:38 | 3 | ||
| Woody Woodpecker | Nicole | Leroux | F | Oak Park | California | USA | Canada | 2012 Furnace Creek 508 | 45 | Four Mixed | FIN | 38:20:18 | 1 | ||
| Woody Woodpecker | William | Meadows | M | Van Nuys | California | USA | USA | 2012 Furnace Creek 508 | 39 | Four Mixed | FIN | 38:20:18 | 3 | ||
| Woody Woodpecker | Patti | Morena | F | La Crescenta | California | USA | USA | 2012 Furnace Creek 508 | 53 | Four Mixed | FIN | 38:20:18 | 3 | ||
| Woody Woodpecker | John | Robinson | M | Moorpark | California | USA | USA | 2012 Furnace Creek 508 | 49 | Four Mixed | FIN | 38:20:18 | 3 | ||
| Woody Woodpecker | William | Meadows | M | Van Nuys | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 40 | Four Man | FIN | 25:44:00 | 3 | ||
| Woody Woodpecker | Byron | Miller | M | Los Angeles | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 38 | Four Man | FIN | 25:44:00 | 1 | ||
| Woody Woodpecker | Patti | Morena | F | La Crescenta | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 54 | Four Man | FIN | 25:44:00 | 3 | ||
| Woody Woodpecker | John | Robinson | M | Moorpark | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 50 | Four Man | FIN | 25:44:00 | 3 | ||
| Wookie | Jason | Nemecek | M | San Jose | California | USA | USA | 2006 Furnace Creek 508 | 35 | Solo | DNF | ||||
| Woolly Mammoth | Curt | Nichols | M | El Dorado Hills | California | USA | USA | 2002 Furnace Creek 508 | 46 | Two Man | FIN | 33:58:10 | 2 | ||
| Woolly Mammoth | Troy | Winslow | M | Elk Grove | California | USA | USA | 2002 Furnace Creek 508 | 35 | Two Man | FIN | 33:58:10 | 1 | ||
| Woolly Monkey | George | Butler | M | Bakersfield | California | USA | USA | 2000 Furnace Creek 508 | 43 | Solo | FIN | 39:53:37 | 1 | ||
| Wooshkeetaan | Janice | Sheufelt | F | Juneau | Alaska | USA | USA | 2011 Furnace Creek 508 | 45 | Solo | FIN | 35:14:51 | 3 | ||
| Wooshkeetaan | Janice | Sheufelt | F | Juneau | Alaska | USA | USA | 2012 Furnace Creek 508 | 46 | Solo | FIN | 33:53:57 | 3 | ||
| Worm | Ron | Way | M | Downey | California | USA | USA | 1999 Furnace Creek 508 | 64 | Solo | DNF | TS4 - stomach | 5 | HOF | |
| Worm | Ron | Way | M | Downey | California | USA | USA | 2001 Furnace Creek 508 | 66 | Solo | FIN | 42:16:00 | 5 | HOF | |
| Worm | Ron | Way | M | Downey | California | USA | USA | 2002 Furnace Creek 508 | 67 | Solo | FIN | 45:29:36 | 5 | HOF | |
| Worm | Ron | Way | M | Downey | California | USA | USA | 2003 Furnace Creek 508 | 68 | Solo | DNF | 5 | HOF | ||
| Wren | Wade | Baker | M | Atascadero | California | USA | USA | 2004 Furnace Creek 508 | 49 | Solo | FIN | 36:59:57 | 10 | HOF | |
| Wren | Wade | Baker | M | Atascadero | California | USA | USA | 2005 Furnace Creek 508 | 50 | Solo | FIN | 31:16:43 | 10 | HOF | |
| Wren | Wade | Baker | M | Atascadero | California | USA | USA | 2006 Furnace Creek 508 | 51 | Solo | FIN | 31:55:44 | 10 | HOF | |
| Wren | Wade | Baker | M | Atascadero | California | USA | USA | 2008 Furnace Creek 508 | 53 | Solo | FIN | 32:48:08 | 10 | HOF | |
| Wren | Wade | Baker | M | Atascadero | California | USA | USA | 2009 Furnace Creek 508 | 54 | Solo | FIN | 35:33:40 | 10 | HOF | |
| Wren | Wade | Baker | M | Atascadero | California | USA | USA | 2010 Furnace Creek 508 | 55 | Solo | FIN | 35:40:29 | 10 | HOF | |
| Wren | Wade | Baker | M | Atascadero | California | USA | USA | 2011 Furnace Creek 508 | 57 | Solo | FIN | 34:54:25 | 10 | HOF | |
| Wren | Wade | Baker | M | Atascadero | California | USA | USA | 2012 Furnace Creek 508 | 58 | Solo | FIN | 33:05:07 | 10 | HOF | |
| Wren | Wade | Baker | M | Atascadero | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 59 | Solo | FIN | 24:05:00 | 10 | HOF | |
| Wren | Wade | Baker | M | Atascadero | California | USA | USA | 2014 Silver State 508 | 59 | Solo | DNF | 10 | HOF | ||
| Wrentit | Wade | Baker | M | Atascadero | California | USA | USA | 2007 Furnace Creek 508 | 52 | Two Mixed | FIN | 31:59:05 | 10 | HOF | |
| Wrentit | Isabelle | Drake | F | Laguna Beach | California | USA | USA | 2007 Furnace Creek 508 | 54 | Two Mixed | FIN | 31:59:05 | 7 | HOF | |
| Xolo | Sean | Ardley | M | San Francisco | California | USA | USA | 2021 Silver State 508 | 36 | Solo Randonneur | DNF | ||||
| Xolo | Sean | Ardley | M | San Francisco | California | USA | USA | 2023 Silver State 508 | N/A | Solo Randonneur | DNF | ||||
| Yak | Lawrence J. | Gitman | M | La Jolla | California | USA | USA | 2004 Furnace Creek 508 | 58 | Two Man | FIN | 30:43:07 | COURSE RECORD | 3 | |
| Yak | Jim | Knight | M | Rancho Santa Fe | California | USA | USA | 2004 Furnace Creek 508 | 43 | Two Man | FIN | 30:43:07 | COURSE RECORD | 2 | |
| Yak | Mark | Erwin | M | San Diego | California | USA | USA | 2005 Furnace Creek 508 | 51 | Four Man | FIN | 26:45:34 | 1 | ||
| Yak | Lawrence J. | Gitman | M | La Jolla | California | USA | USA | 2005 Furnace Creek 508 | 59 | Four Man | FIN | 26:45:34 | 3 | ||
| Yak | Jim | Knight | M | Rancho Santa Fe | California | USA | USA | 2005 Furnace Creek 508 | 44 | Four Man | FIN | 26:45:34 | 2 | ||
| Yak | Jim | Woodman | M | San Diego | California | USA | USA | 2005 Furnace Creek 508 | 46 | Four Man | FIN | 26:45:34 | 1 | ||
| Yak | Lawrence J. | Gitman | M | La Jolla | California | USA | USA | 2010 Furnace Creek 508 | 64 | Four Man | FIN | 32:22:49 | 3 | ||
| Yak | Bill | Holland | M | Alpine | California | USA | USA | 2010 Furnace Creek 508 | 58 | Four Man | FIN | 32:22:49 | 1 | ||
| Yak | Dennis | Kasischke | M | San Diego | California | USA | USA | 2010 Furnace Creek 508 | 64 | Four Man | FIN | 32:22:49 | 1 | ||
| Yak | Ed | Paul | M | Alpine | California | USA | USA | 2010 Furnace Creek 508 | 57 | Four Man | FIN | 32:22:49 | 1 | ||
| Yellow Jacket | John | D'Elia | M | Middletown | Connecticut | USA | USA | 2005 Furnace Creek 508 | 44 | Solo | FIN | 35:57:07 | 1 | ||
| Yellow Labrador | Sara Kay | Carrell | F | Hays | Kansas | USA | USA | 2011 Furnace Creek 508 | 34 | Solo Recumbent | FIN | 44:56:12 | First ever female solo recumbent finisher | 3 | |
| Yellow Tortoise | Connor | Noonan | M | Johns Creek | Georgia | USA | USA | 2021 Silver State 508 | 25 | Two Man | FIN | 42:02:19 | 1 | ||
| Yellow Tortoise | Joshua | Snyder | M | Chattanooga | Tennessee | USA | USA | 2021 Silver State 508 | 23 | Two Man | FIN | 42:02:19 | 1 | ||
| Yeti | William | Pease | M | Ridgecrest | California | USA | USA | 2010 Furnace Creek 508 | 27 | Solo | FIN | 34:10:23 | 1 | ||
| Yodeling Plankton | Iva | Hradilova | F | San Francisco | California | USA | USA | 2002 Furnace Creek 508 | 37 | Four Man | FIN | 32:36:45 | 2 | ||
| Yodeling Plankton | Brennis | Wagoner | F | Woodland Hills | California | USA | USA | 2002 Furnace Creek 508 | 60 | Four Man | FIN | 32:36:45 | 2 | ||
| Yodeling Plankton | James | Wagoner | M | Woodland Hills | California | USA | USA | 2002 Furnace Creek 508 | 62 | Four Man | FIN | 32:36:45 | 2 | ||
| Yodeling Plankton | John Shannon | Wagoner | M | Corte Madera | California | USA | USA | 2002 Furnace Creek 508 | 37 | Four Man | FIN | 32:36:45 | 3 | ||
| Yodeling Plankton | John Shannon | Wagoner | M | Corte Madera | California | USA | USA | 2004 Furnace Creek 508 | 39 | Solo | FIN | 46:26:30 | 3 | ||
| Yodeling Plankton | John Shannon | Wagoner | M | Corte Madera | California | USA | USA | 2005 Furnace Creek 508 | 40 | Solo | DNF | 3 | |||
| Yodeling Plankton | James | Wagoner | M | Corte Madera | California | USA | USA | 2007 Furnace Creek 508 | 42 | Solo | DNF | DNF: Wrong turn | 2 | ||
| Yodeling Plankton | Iva | Hradilova | F | San Francisco | California | USA | USA | 2008 Furnace Creek 508 | 43 | Four Mixed | FIN | 41:38:11 | 2 | ||
| Yodeling Plankton | Ed | Kleban | M | Denver | Colorado | USA | USA | 2008 Furnace Creek 508 | 44 | Four Mixed | FIN | 41:38:11 | 1 | ||
| Yodeling Plankton | Brennis | Wagoner | F | Woodland Hills | California | USA | USA | 2008 Furnace Creek 508 | 66 | Four Mixed | FIN | 41:38:11 | 2 | ||
| Yodeling Plankton | James | Wagoner | M | Woodland Hills | California | USA | USA | 2008 Furnace Creek 508 | 68 | Four Mixed | FIN | 41:38:11 | 2 | ||
| Zebra | Willi | Zuber | M | NA | 346 | Switzerland | 1991 April RAAM Open West | N/A | Solo | DNF | 1 | ||||
| Zebra | Willi | Zuber | M | Switzerland | Switzerland | 1991 October Furnace Creek 508 | N/A | Solo | DNF | 1 | |||||
| Zebra | Willi | Zuber | M | Switzerland | Switzerland | 1992 Furnace Creek 508 | N/A | Solo | DNF | 1 | |||||
| Zebra | Willi | Zuber | M | Switzerland | Switzerland | 1993 Furnace Creek 508 | 53 | Solo | DNF | 1 | |||||
| Zebra | Willi | Zuber | M | Switzerland | Switzerland | 1995 Furnace Creek 508 | 55 | Solo | FIN | 39:15:40 | 1 | ||||
| Zebu | Chris | Heisterkamp | M | San Francisco | California | USA | USA | 2011 Furnace Creek 508 | 36 | Two Man | FIN | 30:57:40 | 1 | ||
| Zebu | Patrick | Kenny | M | San Francisco | California | USA | USA | 2011 Furnace Creek 508 | 38 | Two Man | FIN | 30:57:40 | 1 | ||
| ZomBee | Robert | James | M | San Jose | California | USA | USA | 2011 Furnace Creek 508 | 40 | Solo | DNF | 1 | |||
| ZomBee | Robert | James | M | San Jose | California | USA | USA | 2012 Furnace Creek 508 | 42 | Solo | DNF | 1 | |||
| ZomBee | Marcus | Edvalson | M | North Hills | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 31 | Four Man | FIN | 24:13:00 | 1 | ||
| ZomBee | Jerry | Hitchcock | M | Santa Clara | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 58 | Four Man | FIN | 24:13:00 | 3 | ||
| ZomBee | Ronell | Mallari | M | Santa Clara | California | USA | Philippines | 2013 Furnace Creek 508, AKA Trona 353 | 40 | Four Man | FIN | 24:13:00 | 1 | ||
| ZomBee | Robert | Mardell | M | San Jose | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 45 | Four Man | FIN | 24:13:00 | 5 | HOF | |
| Zombee | Robert | Carlsen | M | San Jose | California | USA | USA | 2023 Silver State 508 | N/A | Two Man | FIN | 34:35:30 | 1 | ||
| Zombee | Robert | Mardell | M | Santa Clara | California | USA | USA | 2023 Silver State 508 | N/A | Two Man | FIN | 34:35:30 | 5 | HOF | |
| Zombie Squirrel | Luke | Ashcraft | M | San Francisco | California | USA | USA | 2009 Furnace Creek 508 | 39 | Four Man | FIN | 29:49:50 | 1 | ||
| Zombie Squirrel | Devin | Koch | M | San Francisco | California | USA | USA | 2009 Furnace Creek 508 | 43 | Four Man | FIN | 29:49:50 | 2 | ||
| Zombie Squirrel | Mary | Magnani | M | Moraga | California | USA | USA | 2009 Furnace Creek 508 | 38 | Four Man | FIN | 29:49:50 | 1 | ||
| Zombie Squirrel | Stephen | Yountsey | M | San Francisco | California | USA | USA | 2009 Furnace Creek 508 | 47 | Four Man | FIN | 29:49:50 | 1 | ||
| Zombie Squirrel | James | Gordon | M | San Francisco | California | USA | USA | 2010 Furnace Creek 508 | 49 | Four Man | FIN | 34:39:04 | 3 | ||
| Zombie Squirrel | Neal | Herman | M | Mountain View | California | USA | USA | 2010 Furnace Creek 508 | 54 | Four Man | FIN | 34:39:04 | 8 | HOF | |
| Zombie Squirrel | Devin | Koch | M | Truckee | California | USA | USA | 2010 Furnace Creek 508 | 44 | Four Man | FIN | 34:39:04 | 2 | ||
| Zombie Squirrel | Stephen | Youtsey | M | San Jose | California | USA | USA | 2010 Furnace Creek 508 | 48 | Four Man | FIN | 34:39:04 | 1 | ||
| Zoo Monkey | Ryan | Tetz | M | Bishop | California | USA | USA | 2014 Silver State 508 | 30 | Solo | FIN | 36:00:00 | 1 | ||
| Zorilla | Doug | Huskey | M | Santa Cruz | California | USA | USA | 2005 Furnace Creek 508 | 53 | Four Mixed | FIN | 33:07:31 | 2 | ||
| Zorilla | Marnel | King | F | Campbell | California | USA | USA | 2005 Furnace Creek 508 | 48 | Four Mixed | FIN | 33:07:31 | 5 | HOF | |
| Zorilla | Patti | Lynch | F | Campbell | California | USA | USA | 2005 Furnace Creek 508 | 46 | Four Mixed | FIN | 33:07:31 | 2 | ||
| Zorilla | Barry | Schon | M | Minneapolis | Minnesota | USA | USA | 2005 Furnace Creek 508 | 34 | Four Mixed | FIN | 33:07:31 | 5 | HOF | |
| Zorilla | Doug | Huskey | M | Santa Cruz | California | USA | USA | 2006 Furnace Creek 508 | 54 | Four Mixed | FIN | 33:41:06 | 2 | ||
| Zorilla | Marnel | King | F | Campbell | California | USA | USA | 2006 Furnace Creek 508 | 49 | Four Mixed | FIN | 33:41:06 | 5 | HOF | |
| Zorilla | Patti | Lynch | F | Campbell | California | USA | USA | 2006 Furnace Creek 508 | 47 | Four Mixed | FIN | 33:41:06 | 2 | ||
| Zorilla | Barry | Schon | M | Minneapolis | Minnesota | USA | USA | 2006 Furnace Creek 508 | 35 | Four Mixed | FIN | 33:41:06 | 5 | HOF | |
| Zorilla | Laura | Jump | F | San Jose | California | USA | USA | 2007 Furnace Creek 508 | 38 | Four Mixed | FIN | 32:47:05 | 3 | ||
| Zorilla | Marnel | King | F | Campbell | California | USA | USA | 2007 Furnace Creek 508 | 50 | Four Mixed | FIN | 32:47:05 | 5 | HOF | |
| Zorilla | Lane | Parker | M | San Jose | California | USA | USA | 2007 Furnace Creek 508 | 53 | Four Mixed | FIN | 32:47:05 | 2 | ||
| Zorilla | Barry | Schon | M | Santa Cruz | California | USA | USA | 2007 Furnace Creek 508 | 37 | Four Mixed | FIN | 32:47:05 | 5 | HOF | |
| Zorilla | Laura | Jump | F | San Jose | California | USA | USA | 2008 Furnace Creek 508 | 40 | Four Mixed | FIN | 32:39:52 | 3 | ||
| Zorilla | Marnel | King | F | Campbell | California | USA | USA | 2008 Furnace Creek 508 | 51 | Four Mixed | FIN | 32:39:52 | 5 | HOF | |
| Zorilla | Lane | Parker | M | San Jose | California | USA | USA | 2008 Furnace Creek 508 | 54 | Four Mixed | FIN | 32:39:52 | 2 | ||
| Zorilla | Barry | Schon | M | Anchorage | Alaska | USA | USA | 2008 Furnace Creek 508 | 38 | Four Mixed | FIN | 32:39:52 | 5 | HOF | |
| Zorilla | Laura | Jump | F | San Jose | California | USA | USA | 2009 Furnace Creek 508 | 41 | Four Mixed | FIN | 34:58:11 | 3 | ||
| Zorilla | Marnel | King | F | Campbell | California | USA | USA | 2009 Furnace Creek 508 | 52 | Four Mixed | FIN | 34:58:11 | 5 | HOF | |
| Zorilla | Oliver | Pohl | M | Richmond | California | USA | USA | 2009 Furnace Creek 508 | 36 | Four Mixed | FIN | 34:58:11 | 1 | ||
| Zorilla | Barry | Schon | M | Minneapolis | Minnesota | USA | USA | 2009 Furnace Creek 508 | 39 | Four Mixed | FIN | 34:58:11 | 5 | HOF | |
| Zorilla | Ken | Emerson | M | San Jose | California | USA | USA | 2010 Furnace Creek 508 | 52 | Solo | FIN | 44:50:13 | 5 | HOF | |
| Zyzzyx | Greg | Wilson | M | Sacramento | California | USA | USA | 2013 Furnace Creek 508, AKA Trona 353 | 47 | Solo | FIN | 29:16:00 | 2 |