On The Rocks Trail Runs
The course is rolling hills with rocks, rocks with dirt, dirt with rocks, and some tree roots. The course is challenging with 4 1/2 climbs that average approx. 250 vertical ft. each, which make each loop about 1,350 feet. The 10K is a partial loop (800 feet).
The 16.7K is one awesome loop of trails and hills. If you run the 33.3K, you get to do all again (2 loops), and if you are running the 50K, you get to do the loop one more time (3 loops). There is a cutoff for the race, you must start your last loop before 12:20pm
Upcoming Races
Jun 27 2026
50 KM
3x17k
4,000
4,000
ft.
Multiple Loop
3
Elevation Rating
Hilly, ~2500-7500 feet in 50 miles
3
Surface Rating
Some rocks, root, and/or ruts
Additional Distances
This event also has the following sub ultra distances
10 KM
33.3 KM
16.7 KM
Results
50 KM
| Date | Finishers | Top Result (F) | Top Result (M) |
|---|---|---|---|
| 06/28/25 | 23 | 6:39:09 | 5:14:34 |
| 07/27/24 | 32 | 5:49:57 | 5:13:25 |
| 06/24/23 | 34 | 6:53:45 | 5:07:07 |
| 06/25/22 | 28 | 7:02:45 | 5:13:48 |
| 06/26/21 | 20 | 7:14:27 | 4:56:45 |
| 08/29/20 | Race Cancelled | ||
| 07/13/19 | 32 | 5:47:23 | 4:51:10 |
| 07/14/18 | 46 | 6:14:21 | 4:34:47 |
| 07/15/17 | 46 | 5:54:19 | 4:29:07 |