Trail Running calendar near Monterey 2025-2026

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..

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 Bay Breeze event, taking place on February 15, 2025, at San Leandro Marina Park, offers participants a scenic running experience along the beautiful San Francisco Bay. Runners can choose from three distances: a half marathon, 10K, or 5K, all set on a mostly flat, bayside trail ideal for personal..

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 stunning backdrop of Montara..

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 2025 is a running event featuring a Half Marathon, 10K, and 5K, taking place at the Quarry Lakes Regional Recreation Area in Fremont, California. This scenic course, historically used for transporting gravel for the Transcontinental Railroad, offers a mostly flat terrain ideal fo..

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 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, it features multiple race distances including an 8K, Half Marathon, 30K, Marathon, and 50K, along with a free Kid's Run for children aged 6..

The Woodside Crossover is a trail running event taking place on April 12, 2025, at Huddart County Park in Woodside, California. This scenic race features four distances: 10K, Half Marathon, 35K, and 50K, catering to runners of all skill levels. Participants will navigate through beautiful trails sur..

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, in Livermore, California, at Lake Del Valle Regional Park. This trail race invites participants of all levels, including walkers and hikers, to enjoy the scenic emerald hills. Runners will receive custom..

The Horseshoe Lake Trail Run is a scenic 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 Run f..

The No Foolin' Foot Race is an annual running event organized by the Parks and Recreation Foundation of San Carlos, featuring a challenging 5k and 10k course through the scenic Big Canyon and Eaton Parks. Participants can also enjoy a 1-mile course designed for children aged 5-10. The event includes..

The Hacienda Hills Trail Run - Spring is an exciting trail running event taking place at Almaden Quicksilver County Park in San Jose, California. Scheduled for May 3, 2025, this event features nine different race distances, including a 50K, Trail Marathon, 30K, Half Marathon, 9 Mile, 10K, 5K, Mile,..

The Quicksilver Endurance Runs, taking place in San Jose, CA, features both 50K and 100K races on scenic, challenging trails. Celebrating its 40th edition, the event offers runners a chance to experience beautiful oak forests, meadows, and stunning views of the Santa Clara Valley and Santa Cruz Moun..