Trail Running calendar near Watsonville 2025-2026

The Ripon Turkey Trail Run is a community-focused running event held in Ripon, California, at Mavis Stouffer Park along the Stanislaus River Trail. Scheduled for November 15, 2025, the race offers three distance options: 5K, 10K, and a half marathon (13.1 miles). Participants receive a custom techni..

The Golden Gate Trail Classic will take place in San Francisco from Saturday 22 November 2025 to Sunday 23 November 2025. You can run between 15 and 50 miles.

The Zoom Turkey Trot is a Thanksgiving Day running event held at Hellyer County Park in San Jose, California. It offers multiple race distances including 5K, 10K, and a USATF-certified half marathon, with additional age-specific categories and a free 50-yard dash for kids six and under. The courses..

The Quarry Turkey Half Marathon is a family-friendly Thanksgiving weekend running event held at Quarry Lakes Regional Park in Fremont, California. The event features a fast, mostly-flat half marathon, along with 10K, 5K, and a free "Little Turkeys" sprint for children. Participants are encouraged to..

The Krampus Cross Country is a festive running event held in San Francisco, California, featuring live and virtual options. Participants can choose from three distances: a 5K, 10K, or the challenging Naughty Nine Miler. The live races start at the Ecology Trail Head at the end of Barnard Avenue, wit..

The Calero Trail Run - Winter takes place at Calero County Park in San Jose, California, offering a variety of distances including 50K, trail marathon, 25K, half marathon, 15K, 10K, 5K, mile, and a kids run. The course features diverse terrain with single track trails, hills, dirt paths, oak trees,..

The ZombieRunner Quarry Lakes event, held at Quarry Lakes Regional Recreation Area in Fremont, CA, offers a variety of race distances including 5K, 10K, Half Marathon, 30K, Marathon, and age-specific 5K and 10K races, plus a free Kid's Run for children 6 and under. The courses are flat, fast, and sc..

The Hunter S. Thompson Fear & Loathing is a unique ultra running event held annually in San Francisco, CA, since 1985. It offers two distances: a 50K and a 50-mile single-loop course starting and finishing at Twin Peaks, the city's highest viewpoint.The route covers iconic city landmarks and feature..

The Hark the Herald Half Marathon & 10K is an annual running event held at Angel Island State Park near Belvedere Tiburon, California. The race features a scenic, hilly loop trail around Angel Island, offering stunning panoramic views of the Golden Gate Bridge, San Francisco, Alcatraz Island, the Ea..

The Summit Rock Half Marathon, held in Saratoga, California, offers runners and walkers a scenic experience through the redwood groves of Sanborn County Park in the Santa Cruz Mountains. Participants can choose from a half marathon, 10K, or 5K race, all featuring breathtaking single-track trails sha..

The Woodside Ramble, hosted by Inside Trail Racing, is a scenic trail running event held at Huddart County Park in Woodside, California. It offers four distances: 10K, Half Marathon, 35K, and 50K, catering to runners of all levels from beginners to ultramarathon veterans. The course features foreste..

The Brazen New Year's Eve event, held at Lake Chabot in Castro Valley, California, offers runners and walkers the opportunity to participate in a half marathon, 10K, and 5K trail races. This festive race encourages participants to close out the year with a scenic run on beautiful trails, welcoming a..

Brazen New Year's Day is an annual running event held at Lake Chabot in Castro Valley, California. It offers participants a choice of distances including a half marathon, 10K, and 5K, all set on scenic trails around the lake. The race provides a family-friendly atmosphere and encourages runners to s..

The Hacienda Hills Trail Run - Winter is a trail running event held at Almaden Quicksilver County Park near San Jose, California. It offers nine race distances ranging from a Kids Run and 1 mile to challenging ultra distances like 50K and a trail marathon. The courses feature increasing elevation ga..

The Coyote Hills Run is a scenic running event held at Coyote Hills Regional Park in Fremont, California, featuring a half marathon, 10K, and 5K distances. The courses offer a mix of paved trails, dirt paths, and wooden boardwalks through marshlands, providing varied terrain and beautiful bay views...

The Fort Ord Trail Run, held at the Fort Ord National Monument near Salinas, California, offers 10K, 25K, and 50K race distances. This scenic event takes place on trails within a former U.S. Army post known for its proximity to the beach and diverse natural landscapes, including a nature reserve for..

The Mt. Umunhum Trail Conquest - Winter is a trail running event held at Almaden Quicksilver County Park in San Jose, California. The race offers multiple distances including a 50K, trail marathon, 30K, half marathon, 7-mile, 5K, mile, and a kids run.The longer courses traverse the scenic Sierra Azu..

The Monterey Ultra is a 50-mile trail running event held at Fort Ord National Monument and Laguna Seca Recreation Area in Monterey, California. The course features a diverse mix of terrain including wide fire roads, twisting single-track trails, deep sand, and rocky, rooty climbs, offering runners s..

Bay Breeze in San Leandro is a scenic running event held at the San Leandro Marina Park along the San Francisco Bay. Scheduled for February 14, 2026, it offers a half marathon, 10K, and 5K distances suitable for runners and walkers of all levels. The course features a mostly flat, easy bayside trail..

The Chabot/Redtail Ridge Trail Run takes place at Lake Chabot Regional Park in Castro Valley, California, offering distances of 5K, 10K, half marathon, 30K, and 50K. The course features eucalyptus forests, grassy meadows, lakeside paths, and hilltop vistas, with over 20 miles of trails connecting to..