Los Alamos, NM
Mountain trail races in northern New Mexico Jemez mountains. Distances offered are half-marathon, 50 k, and 50 miles. These are rugged, technical courses with elevation ranging from 7,000 to over 10,000 feet above sea level.
Upcoming Races
May 10 2025
50 KM
5,869
5,869
ft.
Single Loop
Course
4
Elevation Rating
Very hilly, ~7500-12,500 feet in 50 miles
4
Surface Rating
Substantial rocks, roots and/or ruts
May 10 2025
50 Miles
4
Elevation Rating
Very hilly, ~7500-12,500 feet in 50 miles
4
Surface Rating
Substantial rocks, roots and/or ruts
Results
50 Miles 2018 Fire restrictions course
View course top times| Date | Finishers | Top Result (M) | Top Result (F) |
|---|---|---|---|
| 05/11/24 | 23 | 9:28:16 | 10:56:40 |
| 05/20/23 | 57 | 8:20:54 | 10:10:41 |
| 05/21/22 | Race Cancelled | ||
| 05/22/21 | 41 | 10:28:15 | 11:21:07 |
| 05/23/20 | Race Cancelled | ||
| 05/25/19 | 67 | 8:32:54 | 10:27:56 |
| 05/19/18 | 90 | 7:57:48 | 9:53:39 |
50 KM
View course top times| Date | Finishers | Top Result (M) | Top Result (F) |
|---|---|---|---|
| 05/11/24 | 160 | 4:53:47 | 5:55:30 |
| 05/20/23 | 147 | 5:03:59 | 5:57:05 |
| 05/21/22 | Race Cancelled | ||
| 05/22/21 | 90 | 4:38:51 | 5:09:26 |
| 05/23/20 | Race Cancelled | ||
| 05/25/19 | 198 | 4:41:39 | 5:18:38 |
| 05/19/18 | 243 | 4:31:39 | 5:09:33 |
| 05/20/17 | 197 | 4:59:08 | 5:38:26 |
| 05/21/16 | 175 | 5:09:14 | 5:46:15 |
| 05/23/15 | 159 | 4:45:00 | 5:42:13 |
| 05/24/14 | 158 | 4:57:41 | 6:20:49 |
| 05/25/13 | 195 | 4:50:25 | 5:44:16 |
| 05/19/12 | 144 | 4:28:30 | 5:50:59 |
| 05/21/11 | 148 | 5:44:36 | 6:23:45 |
| 05/22/10 | 152 | 5:29:11 | 6:08:43 |
| 05/16/09 | 96 | 5:25:33 | 5:31:53 |
| 05/17/08 | 70 | 5:38:17 | 6:21:07 |
| 05/19/07 | 61 | 4:55:20 | 6:51:06 |
| 05/20/06 | 25 | 5:19:31 | 6:06:31 |
50 Miles
View course top times| Date | Finishers | Top Result (M) | Top Result (F) |
|---|---|---|---|
| 05/20/17 | 87 | 8:39:15 | 10:41:44 |
| 05/21/16 | 81 | 8:37:23 | 10:32:05 |
| 05/23/15 | 106 | 8:27:02 | 10:00:04 |
| 05/24/14 | 20 | 8:07:07 | 10:23:53 |
| 05/25/13 | 93 | 9:04:57 | 9:15:00 |
| 05/19/12 | 88 | 9:04:01 | 9:26:29 |
| 05/21/11 | 118 | 8:07:45 | 11:05:22 |
| 05/22/10 | 100 | 8:26:13 | 10:32:02 |
| 05/16/09 | 104 | 9:13:52 | 10:48:44 |
| 05/17/08 | 92 | 8:08:15 | 11:30:22 |
| 05/19/07 | 52 | 8:09:39 | 9:33:57 |
| 05/20/06 | 22 | 9:15:35 | 14:53:51 |
