Trail Running calendar near El Sobrante 2026-2027

A timed half marathon through eight Napa Valley wine estates finishing in Yountville. The event includes a finish line Wine Village with live music and complimentary wine tastings.

The Trailquake will take place in Saratoga on Sunday 9 May 2027. You can run between 3 and 13 miles.

Trail runs at Skyline Wilderness Park in Napa on May 15, 2027 offer four distances from 10K through 50K on reworked trails with significant elevation. Aid stations are staffed, the event is cupless, and camping is available through the park..

A multi-loop trail event in Napa that uses Skyline Wilderness Park and Suscol Headwaters. Options include an approximately 50 mile solo route and a one-loop ~25 mile course, with cupless aid stations and limited crew and pacer access.

The Wildcat Half Marathon will take place in El Sobrante on Saturday 15 May 2027. You can run between 3 and 13 miles.

Mud Factor Sacramento is a 5K mud and obstacle run at the 300 acre Mahon Ranch in Elk Grove on May 16, 2027, with adult and Kidz family waves, advertised entry fees from $27, and a $10 cash spectator fee for festival access.

Run for Amma is a charity trail event at Skyline Ridge Open Space Preserve in Los Gatos on May 22, 2027. Distances include 50K, 30K and 10K and 100% of registration proceeds go to UCSF cancer research.