Dayton, WY
This race is extremely challenging due to the rugged terrain of the Bighorn Mountains, and has become a favorite among avid trail runners. The course, an out-and-back, is at elevations of up to 10,000 feet, among fields of wildflowers and breathtaking scenery. The majority of the course is on rugged mountain trails and 4-wheel drive roads.
Upcoming Races
Jun 21 2025
32 Miles
4,055
7,730
ft.
Point-to-Point
Course
3
Elevation Rating
Hilly, ~2500-7500 feet in 50 miles
2
Surface Rating
Mostly groomed trail or dirt roads
Jun 21 2025
52 Miles
7,884
12,871
ft.
Point-to-Point
Course
4
Elevation Rating
Very hilly, ~7500-12,500 feet in 50 miles
4
Surface Rating
Substantial rocks, roots and/or ruts
Jun 21 2025
100 Miles
19,938
19,938
ft.
Out and Back
Course
4
Elevation Rating
Very hilly, ~7500-12,500 feet in 50 miles
4
Surface Rating
Substantial rocks, roots and/or ruts
Results
52 Miles
View course top times| Date | Finishers | Top Result (M) | Top Result (F) |
|---|---|---|---|
| 06/15/24 | 126 | 8:06:54 | 9:31:32 |
| 06/17/23 | 138 | 8:35:20 | 8:27:39 |
| 06/18/22 | 111 | 9:10:31 | 10:37:38 |
| 06/19/21 | 101 | 8:43:41 | 10:11:26 |
| 06/20/20 | Race Cancelled | ||
| 06/14/19 | 129 | 7:49:00 | 10:17:51 |
| 06/15/18 | 90 | 7:17:41 | 10:04:27 |
| 06/17/17 | 100 | 8:44:56 | 10:40:04 |
| 06/17/16 | 107 | 8:29:28 | 9:39:55 |
| 06/20/15 | 128 | 8:11:36 | 8:49:20 |
| 06/21/98 | 66 | 8:42:11 | 11:09:39 |
32 Miles
View course top times| Date | Finishers | Top Result (M) | Top Result (F) |
|---|---|---|---|
| 06/15/24 | 245 | 4:04:47 | 4:59:07 |
| 06/17/23 | 250 | 4:17:42 | 4:57:22 |
| 06/18/22 | 202 | 4:45:37 | 5:28:32 |
| 06/19/21 | 231 | 4:35:51 | 5:21:14 |
| 06/20/20 | Race Cancelled | ||
| 06/14/19 | 241 | 5:00:52 | 5:39:35 |
| 06/15/18 | 255 | 4:26:23 | 5:11:10 |
| 06/17/17 | 219 | 4:43:19 | 5:39:29 |
| 06/17/16 | 228 | 4:16:39 | 5:19:37 |
| 06/20/15 | 238 | 4:18:17 | 4:48:55 |
100 Miles
View course top times| Date | Finishers | Top Result (M) | Top Result (F) |
|---|---|---|---|
| 06/14/24 | 195 | 21:36:40 | 23:35:45 |
| 06/17/23 | 191 | 19:47:19 | 26:01:02 |
| 06/18/22 | 134 | 21:35:57 | 24:25:41 |
| 06/19/21 | 178 | 18:48:04 | 25:32:16 |
| 06/20/20 | Race Cancelled | ||
| 06/14/19 | 187 | 19:30:05 | 26:59:00 |
| 06/15/18 | 166 | 20:57:53 | 27:44:18 |
| 06/16/17 | 174 | 21:30:09 | 24:58:43 |
| 06/17/16 | 175 | 20:28:23 | 21:38:43 |
| 06/19/15 | 195 | 18:29:37 | 24:13:29 |
| 06/19/14 | 149 | 19:10:15 | 24:30:40 |
| 06/15/13 | 125 | 18:51:55 | 23:20:07 |
| 06/16/12 | 116 | 18:36:42 | 22:27:26 |
| 06/17/11 | 110 | 19:13:09 | 23:40:54 |
| 06/18/10 | 95 | 18:43:37 | 23:49:10 |
| 06/19/09 | 72 | 19:15:26 | 24:51:36 |
| 06/20/08 | 98 | 18:56:28 | 25:10:59 |
| 06/15/07 | 81 | 20:12:58 | 23:22:21 |
| 06/16/06 | 78 | 20:24:28 | 27:43:50 |
| 06/17/05 | 53 | 21:54:59 | 27:19:06 |
| 06/18/04 | 40 | 22:51:48 | 27:42:26 |
| 06/20/03 | 32 | 22:53:58 | 30:09:44 |
| 06/15/02 | 9 | 21:05:32 | 30:05:08 |
50 KM
View course top times| Date | Finishers | Top Result (M) | Top Result (F) |
|---|---|---|---|
| 06/19/14 | 170 | 4:02:26 | 4:46:56 |
| 06/15/13 | 212 | 3:50:53 | 5:14:27 |
| 06/16/12 | 163 | 4:32:58 | 5:32:39 |
| 06/17/11 | 174 | 4:05:20 | 4:41:43 |
| 06/18/10 | 160 | 4:46:50 | 4:53:26 |
| 06/19/09 | 136 | 5:09:02 | 4:45:37 |
| 06/20/08 | 118 | 4:41:58 | 5:02:21 |
| 06/15/07 | 121 | 4:47:18 | 5:23:36 |
| 06/16/06 | 98 | 4:50:00 | 5:25:08 |
| 06/17/05 | 98 | 5:09:47 | 5:27:37 |
| 06/18/04 | 123 | 4:26:40 | 5:05:46 |
| 06/20/03 | 93 | 4:48:04 | 5:25:19 |
| 06/15/02 | 94 | 5:00:42 | 5:17:23 |
| 06/16/01 | 81 | 4:04:45 | 5:13:42 |
50 Miles
View course top times| Date | Finishers | Top Result (M) | Top Result (F) |
|---|---|---|---|
| 06/19/14 | 115 | 8:12:41 | 8:56:39 |
| 06/15/13 | 145 | 7:17:05 | 9:32:31 |
| 06/16/12 | 139 | 7:49:36 | 9:35:28 |
| 06/17/11 | 145 | 7:34:39 | 10:14:34 |
| 06/18/10 | 131 | 8:25:08 | 9:42:59 |
| 06/19/09 | 113 | 8:42:50 | 9:59:31 |
| 06/20/08 | 106 | 8:11:06 | 9:29:32 |
| 06/15/07 | 87 | 8:30:23 | 9:54:21 |
| 06/16/06 | 95 | 8:41:18 | 10:25:44 |
| 06/17/05 | 78 | 8:23:04 | 10:50:42 |
| 06/18/04 | 85 | 8:17:28 | 9:04:16 |
| 06/20/03 | 64 | 8:49:23 | 9:39:08 |
| 06/15/02 | 67 | 7:43:53 | 9:46:20 |
| 06/16/01 | 52 | 8:02:38 | 9:58:27 |
| 06/17/00 | 73 | 8:12:34 | 9:50:57 |
