Mt. Tam Trail Run
Updated
Saturday, November 7, 2026, first start 7:30 AM, in Stinson Beach (3545 Shoreline Hwy). Distances: 10K, Half marathon, 18.5 miles, 30.5 miles.
- Date
- Saturday, November 7, 2026
- Start time
- 7:30 AM (earliest wave)
- Location
- 3545 Shoreline Hwy, Stinson Beach, CA 94970
- Area
- Marin, SF Bay Area
- Distances
- 10KHalf marathon18.5 miles30.5 miles
- Course
- Trail (dirt or single-track on at least part of the course)
- Price
- See the registration page
- Next price increase
- None published
- Registration
- Closed online
How to register
Registration is on RunSignup. Pick your distance, add any extras, and you'll get a confirmation email with your bib details.
See race page on RunSignup →Race website
Course and race notes
Mt. Tamalpais is the dominating feature in Marin County. Any true trail runner who sees it wants to run up it. Here’s your chance. Our Mt. Tam Trail Run begins at Stinson Beach and climbs (and climbs!
From the race's own listing. Check the race website for the course map and parking.
Source: RunSignup public race API, refreshed 2026-10-17. Details can change; the registration page is the final word.