Walnut Creek, CA
The Diablo Trails Challenge 50k hits both peaks at Mount Diablo and a portion of the registration fees go to the Save Mount Diablo Foundation to help preserve this amazing park.
Upcoming Races
Apr 5 2025
50 KM
8,246
8,246
ft.
Mixture
Course
11:00 Cutoff
5
Elevation Rating
Mountainous, >12,500 feet in 50 miles
3
Surface Rating
Some rocks, root, and/or ruts
Results
50 KM
View course top times| Date | Finishers | Top Result (M) | Top Result (F) |
|---|---|---|---|
| 04/06/24 | 129 | 4:58:23 | 5:50:18 |
| 04/08/23 | 110 | 5:21:52 | 6:32:19 |
| 04/09/22 | 89 | 4:45:32 | 4:57:16 |
| 04/11/20 | Race Cancelled | ||
| 04/13/19 | 151 | 4:33:09 | 5:57:20 |
| 04/14/18 | 138 | 5:16:38 | 6:06:32 |
| 03/15/17 | 141 | 4:20:40 | 5:57:08 |
| 04/17/16 | 159 | 4:16:32 | 6:03:07 |
| 04/19/15 | 152 | 4:18:52 | 4:34:22 |
| 04/19/14 | 157 | 4:06:21 | 5:01:54 |
| 04/20/13 | 158 | 4:15:12 | 5:22:20 |
| 04/21/12 | 109 | 4:51:40 | 6:30:27 |
| 03/19/11 | 54 | 5:08:23 | 5:46:05 |
| 03/20/10 | 61 | 5:00:05 | 5:41:17 |
| 03/22/09 | 48 | 5:42:28 | 6:06:06 |
