Pacific views and Dipsea Trail steps on Mt. Tam's most iconic terrain
Other trail races within 110 miles
The Muir Woods Mountain Challenge Half Marathon covers Mt. Tamalpais' most scenic terrain in 13.1 miles with 3,450 feet of gain. Starting at Stinson Beach, the course immediately attacks Willow Camp hill before running the Pacific-view single-track of the Coastal Trail. Runners then ascend the Dipsea Trail and traverse Muir Woods before summiting Cardiac Hill and making the exhilarating descent back to the beach on the iconic Dipsea steps.
Some ultra experience recommended
Stinson Beach, CA, United StatesJuly 18, 2026
Muir Woods Mountain Challenge Half Marathon is a loop trail race in Stinson Beach, CA, United States, held on July 18, 2026. The course covers 13.1 miles, climbs 3,450 ft, and has a 6h30m cutoff.
| Location | Mile | Elevation | Cutoff |
|---|---|---|---|
Stinson Beach Start | 0.0 | 36 ft | — |
Stinson AS Aid Station | 6.2 | 177 ft | 1h55m9:25 AM |
Cardiac AS Aid Station | 9.9 | 1,365 ft | 3h5m10:35 AM |
Stinson Beach Finish | 13.1 | 36 ft | 4h11:30 AM |
Aid station details for this race are still being filled in. Cutoffs and access rules come from the race’s own published information and can change — check the official race details before planning around them.
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