Muir Woods Trail Run

The Pacifica Foothills Trail Run, held at San Pedro Valley County Park in Pacifica, California, offers trail running distances of 10K, Half Marathon, and 30K. Set within 1,150 acres of coastal mountain terrain in the Santa Cruz Mountains' northern spur, the courses feature moderately technical dirt..

The Wildcat Half Marathon, held in El Sobrante, California, is a trail running event featuring a half marathon, 10K, and 5K distances. Set within Wildcat Canyon Regional Park, the race offers spectacular 360-degree views of the Bay Area, including sights of San Francisco, the Golden Gate Bridge, Alc..

The Cinderella Trail Run is an exciting running event taking place in Oakland, California, featuring a variety of race distances including a Half Marathon, Marathon, 8K, 30K, 50K, and a free Kid's Run for children aged 6 and under. Set in the scenic Joaquin Miller and Redwood Regional parks, partici..

The SF Half Day is a unique running event taking place in San Francisco, featuring various race formats including 3-hour, 6-hour, and 12-hour options for both solo participants and teams. The course is a scenic one-mile loop around Crissy Field, offering stunning views of the Golden Gate Bridge and..

The China Camp Trail Run, held at China Camp State Park in San Rafael, California, offers 5K, 10K, and half marathon distances. Set in a historic area once home to a Chinese shrimp-fishing village, the race features scenic single-track trails with views of Mt. Tamalpais, San Pablo Bay, and San Franc..

Dirt Circus - San Francisco is a free community running event held in San Francisco, California, celebrating local trail running culture. Organized by UltraSignup, this one-day festival features a social group run with options of 3.2 or 4.5 miles, welcoming all paces and encouraging participants to..