62 miles through the iconic Marin Headlands, from Stinson Beach redwoods to coastal ridge lines
Miwok 100K takes place on May 01, 2027 in Stinson Beach, CA.
Miwok 100K is 62.2 miles with 11,500 ft of elevation gain.
No — Miwok 100K uses open registration; no lottery is required.
Yes, crew is allowed at Miwok 100K. Crew can access 4 of the 12 locations listed on this page.
Yes, pacers are allowed at Miwok 100K. Pacers can be picked up at 1 of the 12 locations listed on this page.
Yes, Miwok 100K allows drop bags. Drop bags are accepted at 4 of the 12 locations listed on this page.
Miwok 100K has 9 aid stations along the course.
The overall cutoff for Miwok 100K is 15h30m. Individual cutoffs for 7 of the 12 locations listed on this page are published below.
Miwok 100K has published cutoff times at 7 points on the course. Each one is listed on this page with its location, distance and cutoff.
Other trail races within 114 miles
The Miwok 100K is a 62-mile ultramarathon through the Marin Headlands just north of San Francisco, featuring over 11,500 feet of elevation gain across some of the most diverse and dramatic terrain in California. Runners start and finish at Stinson Beach Community Center, winding through coastal redwood forests, exposed ridge lines above the Pacific, and historic fire roads — all within the Golden Gate National Recreation Area. The race features nine aid stations, drop bags at Tennessee Valley (miles 13 and 26) and Randall Trailhead (mile 49.2), and crew access at three points. Pacers may join at Randall, with 13 miles to go. Now presenting-sponsored by The North Face, the event has been defined since its 1996 founding by strong community roots, sustainability leadership (cup-less since 2013), and a commitment to trail stewardship. Tight intermediate cutoffs — required by California State Parks permit — demand consistent pacing throughout.
Some ultra experience recommended
Stinson Beach, CA, United StatesMay 01, 2027
Miwok 100K is a loop trail race in Stinson Beach, CA, United States, held on May 01, 2027. The course covers 62.2 miles, climbs 11,500 ft, and has a 15h30m cutoff.

Moderate trail conditions with some technical sections

| Location | Mile | Elevation | Cutoff | Crew | Pacers | Drop bags |
|---|---|---|---|---|---|---|
Start Start | 0.0 | 52 ft | — | |||
Cardiac Outbound Resource | 2.8 | 1,358 ft | — | |||
Muir Beach Outbound Aid Station | 8.0 | 16 ft | — | |||
Tennessee Valley Outbound Aid Station | 13.0 | 197 ft | 3h8:00 AM | Crew | Drop Bags | |
Bridge View Aid Station | 18.6 | 614 ft | — | |||
Tennessee Valley Inbound Aid Station | 26.0 | 151 ft | 6h11:00 AM | Crew | Drop Bags | |
Muir Beach Inbound Aid Station | 30.3 | 13 ft | 7h12:00 PM | Crew | ||
Cardiac Inbound Aid Station | 35.5 | 1,440 ft | 8h30m1:30 PM | |||
Bolinas Ridge Outbound Aid Station | 42.5 | 1,503 ft | — | |||
Randall Trailhead Aid Station | 49.2 | 561 ft | 12h10m5:10 PM | Crew | Pacers | Drop Bags |
Bolinas Ridge Inbound Aid Station | 55.9 | 1,532 ft | 13h50m6:50 PM | |||
Finish Finish | 62.2 | 56 ft | 15h30m8:30 PM | Drop Bags |
Sign in for race-day weather at every station, points of interest, segment-by-segment analysis, pacing, and to save this race to your calendar.
May race day conditions in the Marin Headlands can swing from hot and sunny to cold, foggy, drizzling, or torrential rain — sometimes all on the same day. Light jacket, sunscreen, and headlamp all strongly recommended.
Bolinas Ridge and the Marin Headlands offer long exposed sections with minimal shade. Sunscreen is strongly advised.
No required gear specified
No recommended gear specified
No reviews for this event yet. Be the first to share your experience!