San Lorenzo River Trail Run

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

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

Weekly Newsletter

A roundup of the week's content and most recent race results. Sent once a week on Thursday.

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