Hardrock 100 Endurance Run
The Hardrock Hundred Mile Endurance Run is an ultramarathon of 100.5 miles in length, plus 33,992 feet of climb and 33,992 feet of descent for a total elevation change of 67,984 feet, at an average elevation of over 11,000 feet. The race is held on a loop course on 4WD roads, dirt trails, and cross country in Southern Colorado's San Juan Range, USA.
Upcoming Races
Jul 9 2027
100 Miles
33,000
33,000
ft.
Single Loop
14 Aid
Stations
48:00 Cutoff
5
Elevation Rating
Mountainous, >12,500 feet in 50 miles
4
Surface Rating
Substantial rocks, roots and/or ruts
Results
100 Miles
| Date | Finishers | Top Result (F) | Top Result (M) |
|---|---|---|---|
| 07/10/26 | 116 | 26:03:10 | 21:11:36 |
| 07/11/25 | 114 | 25:50:23 | 22:21:53 |
| 07/12/24 | 119 | 26:11:49 | 21:33:06 |
| 07/14/23 | 111 | 26:14:12 | 23:00:30 |
| 07/15/22 | 115 | 26:44:36 | 21:36:24 |
| 07/16/21 | 112 | 27:21:48 | 21:45:50 |
| 07/17/20 | Race Cancelled | ||
| 07/19/19 | Race Cancelled | ||
| 07/20/18 | 114 | 30:23:36 | 26:20:21 |
| 07/14/17 | 126 | 28:31:50 | 24:32:20 |
| 07/15/16 | 112 | 29:02:09 | 22:58:28 |
| 07/10/15 | 126 | 28:22:47 | 23:28:10 |
| 07/11/14 | 100 | 29:49:58 | 22:41:33 |
| 07/12/13 | 104 | 29:54:55 | 24:25:50 |
| 07/13/12 | 98 | 29:09:00 | 24:50:00 |
| 07/08/11 | 80 | 29:27:00 | 25:17:00 |
| 07/09/10 | 100 | 28:32:00 | 27:18:00 |
| 07/10/09 | 104 | 27:18:24 | 24:38:02 |
| 07/11/08 | 98 | 31:09:40 | 23:23:30 |
| 07/13/07 | 98 | 29:24:45 | 26:08:34 |
| 07/14/06 | 81 | 31:53:51 | 27:07:55 |
| 07/08/05 | 71 | 32:07:41 | 28:29:15 |
| 07/09/04 | 80 | 32:48:52 | 30:39:14 |
| 07/11/03 | 69 | 33:02:28 | 28:01:55 |
| 07/13/01 | 64 | 29:58:00 | 26:39:00 |
| 07/07/00 | 60 | 32:20:03 | 29:35:00 |
| 07/10/99 | 63 | 31:55:19 | 30:10:56 |
| 07/10/98 | 38 | 40:57:57 | 30:12:31 |
| 07/12/97 | 40 | 37:22:32 | 30:33:31 |
| 07/12/96 | 42 | 40:43:13 | 30:44:17 |
| 07/09/94 | 37 | 38:43:12 | 32:00:15 |
| 07/10/93 | 26 | 41:38:00 | 29:35:00 |
| 07/11/92 | 18 | 45:47:00 | 32:34:00 |