Trail Running calendar near San Carlos 2026-2027

A multi-distance Spartan obstacle race weekend at Stanislaus County Parks on Apr 3-4, 2027, featuring Sprint, Super, Beast, Ultra and kids races across technical trails, grasslands and hills with signature obstacles and team options.

A trail running event at 1700 Castle Rock Road in Walnut Creek on April 3, 2027 offering 50K, half marathon, 10K and 5K options plus a hiker half and remote runner choice. Part of entry fees support Save Mount Diablo.

A trail event at Skyline Ridge Open Space Preserve offering distances from a 50 yard kids dash to a 50K race. Routes run largely on the Bay Area Ridge Trail with ocean and Santa Cruz Mountains views.

A trail event at Lake Chabot Regional Park offering distances from a 50‑yard kids dash to a 50K ultramarathon. The looped course circles the Lake Chabot reservoir and surrounding hills with measured distances.

No Foolin' Foot Race in San Carlos on April 24, 2027 offers 15K, 10K, 5K and a 1K kids trail course across Big Canyon, Eaton and Pulgas Ridge, with proceeds supporting local open space trail maintenance.

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.

Trail runs at Skyline Wilderness Park near Napa feature four distances from about 6 to 32 miles with significant elevation. The cupless courses include spaced aid stations, a long water only stretch on the longer routes, and on site parking..

A trail ultramarathon at Skyline Wilderness Park on May 15, 2027, featuring a solo ~51-mile 2.5-loop course and a one-loop ~25-mile option. Cupless aid stations, specified crew and pacer rules, drop bag service, on-course nutrition, and pos..

A charity trail event at Skyline Ridge Open Space Preserve in Los Gatos offering 50K, 30K and 10K courses, with 100% of registration proceeds donated to a UCSF cancer research lab.

A weekend of Spartan obstacle course racing at Toro Park near Salinas, CA, with Sprint and Super distances, kids races, trail events, team registration, and spectator access.

Toro Park Trail Run in Salinas, CA uses rolling golden hills and oak-shaded trails. Multiple trail distances are offered including marathon, half marathon and 10K, and the weekend also features Spartan obstacle events and spectator access.