Trail Running calendar near Monterey County 2025-2026

The Monterey Ultra 50 Miler is an exciting ultramarathon event set in the scenic Fort Ord National Monument in Monterey, California. Scheduled for January 25, 2025, this challenging race features a diverse course that includes wide fire roads, twisting single-track trails, and rocky climbs, totaling..

The Coyote Hills Run, organized by Brazen Racing, takes place at Coyote Hills Regional Park in Fremont, California, on January 25, 2025. This event features a variety of race options, including a half marathon, 10K, and 5K, welcoming both runners and walkers. The courses offer a mix of terrains, inc..

The Fort Ord Trail Run is an exciting trail running event held at the scenic Fort Ord National Monument in Monterey, California. Participants can choose from three distances: 10K, 25K, and 50K, all set against the backdrop of beautiful trails. The event emphasizes sustainability by being cupless, en..

The Mt. Umunhum Trail Conquest - Winter is an exciting running event taking place at Almaden Quicksilver County Park in San Jose, CA. Participants can choose from various distances, including a 50K, Marathon, 30K, Half Marathon, 7 Miler, 5K, and a Kids Run.The course features scenic trails that lead..

The Giro di Fremont is an exciting 60K running event taking place in Fremont, California. This unique adventure showcases the area's hidden gems, featuring a point-to-point course from Mission Peak Trailhead to Don Edwards Wildlife Refuge. Participants will navigate with minimal course markers, so G..

The Bay Breeze event, taking place at San Leandro Marina Park, features a scenic half marathon, 10K, and 5K run along the picturesque San Francisco Bay. This race is designed for all levels of runners and walkers, offering a mostly flat course that is ideal for setting personal records. Participants..

Redtail Ridge is a trail running event hosted by Inside Trail Racing, featuring distances of 10K, Half Marathon, 30K, and 50K. Set in the scenic Lake Chabot Regional Park in Castro Valley, CA, the course offers a mix of eucalyptus forests, grassy meadows, and lakeside paths, making it accessible for..

The Montara Mountain Trail Run is an exciting running event taking place in Pacifica, California, featuring a variety of race distances including a 10K, Half Marathon, 20-mile, Marathon, and 50K, along with a free Kid's Run for children aged 6 and under. Set against the backdrop of the stunning Mont..

The Sanborn Trail Challenge is an exciting running event held in Sanborn County Park, Saratoga, CA, featuring a variety of race distances including a Half Marathon, 8 Mile, 4 Mile, Mile, and a Kids Run. The course is predominantly single track trail, offering a challenging and scenic experience thro..

The Race to the Top of Mt. Umunhum Vert Trail Challenge is a half marathon event taking place in San Jose, California, within the scenic Almaden Quicksilver Park and Sierra Azul Open Space Preserve. Participants will experience a challenging point-to-point course, with a six-hour time limit to compl..

The South Hills Single Track Trail Run - Spring is an exciting trail running event taking place at Calero County Park in San Jose, CA. Participants can choose from various distances, including a 50K, Trail Marathon, Half Marathon, and shorter options down to a Kids Run. The course features scenic si..

The Horseshoe Lake Half Marathon is a scenic running event taking place in La Honda, California, featuring a 13-mile course that offers stunning views of both the Pacific Ocean and San Francisco Bay. The route combines single-track trails and fireroads, with a total ascent of 2230 feet, making it su..

The Terrible, Horrible, No Good, Very Bad Day 50K is a unique ultrarunning event taking place on March 29, 2025, in Los Gatos, California. This non-supported, fatass run features challenging trail options, including a 50K with a significant elevation gain of 10,900 feet, requiring participants to co..

The Western Pacific event features a half marathon, 10K, and 5K, taking place in Fremont, California. Organized by Brazen Racing, this race is known for its flat and fast courses, making it ideal for runners and walkers of all levels. The routes utilize the historic Western Pacific Trail, originally..

The Santa Teresa King Richard Annual Trail Run is a cherished event held at Santa Teresa County Park in San Jose, CA, designed to honor the legacy of Richard Limb. Participants can choose from various distances, including a Half Marathon, 10 Mile, 10K, and 5K, all set against the park's stunning nat..

The Woodside Crossover is a trail running event taking place at Huddart County Park and Purisima Creek Redwoods Open Space Preserve in Woodside, California. Scheduled for April 12, 2025, this event features multiple race distances, including 10K, Half Marathon, 35K, and 50K, catering to runners of a..

The SPASM Lake Chabot Trail Run is a diverse running event taking place at Lake Chabot Regional Park in Castro Valley, California. Scheduled for April 12, 2025, the event features multiple race distances, including an 8K, Half Marathon, 30K, Marathon, and 50K, along with a free Kid's Run for childre..

The Sierra Azul Trail Challenge is an exciting running event taking place in the scenic Sierra Azul Open Space Preserve, near San Jose, CA. Participants can choose from various distances, including a 50K, Trail Marathon, 20 Mile, Half Marathon, 7 Mile, and 5K. This challenging race offers a unique o..

The Badger Cove Half Marathon, along with 10K and 5K events, will take place on April 19, 2025, at Del Valle Regional Park in Livermore, California. This race, known for its scenic trails and welcoming atmosphere, encourages both runners and walkers to participate. All participants will receive cust..

The Horseshoe Lake Trail Run is an exciting running event taking place at the Skyline Ridge Open Space Preserve in La Honda, California. Scheduled for April 20, 2025, the event features multiple race distances, including a 5-mile run, Half Marathon, 30K, Marathon, and 50K, along with a free Kid's Ru..