Sonoma Coast Trail Runs

Duncans Mills, United States • 31 May 2025

The Sonoma Coast Trail Runs, presented by SkyBreaker Racing, take place in Sonoma Coast State Park near Duncans Mills, California. The event offers four distances: 50K, Trail Marathon, 30K, and Half Marathon, featuring challenging elevation gains from 2,800 to 7,000 feet. Runners traverse scenic trails and fire roads with stunning ocean views, summit Red Hill, and start/finish among redwoods at Pomo Canyon Environmental Camp.

Aid stations provide water, electrolytes, snacks, and energy gels. The race is cupless to promote environmental friendliness. Participants receive medals, finisher meals, and optional t-shirts.

Limited parking requires shuttle service, and camping is available on-site with no running water. Visit the organization's website for the most recent information.

Race information

50 km
50k
26 mi
Trail Marathon
30 km
30k
13 mi
Half Marathon
Visit the organization's website for the most recent information.
Trail runs nearby

A trail race at Bothe Napa Valley State Park on March 21, 2026 offering marathon, half marathon and 10K with a 300 runner limit. Courses use single track loops with one aid station and a six hour marathon cutoff.

Springtime trail races at Lake Sonoma on April 11, 2026 feature a Western States qualifying 100K, a 50K that crosses the Lake Sonoma bridge, and a women-only Trail Sisters half marathon with shuttle service.

A four-distance trail event in Calistoga that follows single track and fire road into the Mount St. Helena area. Routes include technical sections, long aid stretches, drop bag service at Highway 29, and finisher medals and shirts.

UTMB Index

A community fundraiser at Spring Lake Regional Park on April 18, 2026 featuring a half marathon, 10K and 5K. The low-waste event donates a portion of proceeds to Trione-Annadel State Park and includes a medal, shirt and post-race snacks.