San Lorenzo River Trail Run
July 11th 2026
Santa Cruz, CA
50 KM
Run through 300 foot tall, 1500 year-old Coastal Redwoods, lush stream canyons, open meadows, pine and oak forests, and high dry chaparral-covered ridges. The Half Marathon, 30 Km, Marathon, and 50 Km events cross the San Lorenzo River multiple times!
Upcoming Races
Jul 11 2026
50 KM
5,175
5,175
ft.
Mixture
9:00 Cutoff
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
26 Miles
10 KM
30 KM
13 Miles
Results
50 KM
| Date | Finishers | Top Result (F) | Top Result (M) |
|---|---|---|---|
| 07/12/25 | 39 | 5:46:39 | 4:08:01 |
| 07/13/24 | 45 | 6:07:05 | 5:19:27 |
| 07/15/23 | 37 | 6:35:11 | 4:51:18 |
| 06/18/22 | 28 | 6:39:10 | 4:54:22 |
| 06/19/21 | 81 | 5:25:33 | 4:48:55 |
| 06/20/20 | Race Cancelled | ||
| 06/22/19 | 45 | 5:22:31 | 4:13:33 |
| 06/24/18 | 27 | 6:33:13 | 4:55:52 |
| 06/25/17 | 21 | 5:42:04 | 5:34:30 |
| 06/26/16 | 21 | 6:37:14 | 4:54:55 |
| 06/13/15 | 27 | 6:38:42 | 4:42:31 |
| 06/21/14 | 37 | 4:39:24 | 4:39:23 |
| 06/22/13 | 24 | 6:06:16 | 4:42:48 |
| 06/23/12 | 32 | 6:11:05 | 4:16:40 |
| 06/12/11 | 26 | 5:15:53 | 4:48:41 |
| 06/13/10 | 23 | 6:05:35 | 5:07:21 |

