Course
A 100K through the Marin Headlands starting and finishing at Stinson Beach, covering 62 miles with over 11,000 ft of climbing across redwood groves, exposed ridgelines and coastal cliffs. Well-marked singletrack and fire road with staffed aid stations throughout. Field is capped at 400 runners and a relay option is offered.
Key dates
- !Entries openSat 7 Nov 2026 · in 2 weeks
- ★Race daySat 1 May 2027
About
The Miwok 100K is a trail ultramarathon in the Marin Headlands, starting and finishing at Stinson Beach. The course climbs steep coastal ridgelines above the Pacific, with significant elevation gain across exposed fire roads and singletrack trails within the Golden Gate National Recreation Area.
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