Trail Running calendar near Lucas Valley-Marinwood 2024-2025

The Hacienda Hills Trail Run - Winter, held at Almaden Quicksilver County Park in San Jose, CA, offers a thrilling day of trail running with nine different race distances, including 50K, Marathon, 30K, Half Marathon, 9 Miler, 10K, 5K, Mile, and a Kids Run. Participants can enjoy stunning Bay Area vi..

The Crystal Springs Trail Run, scheduled for January 12, 2025, in Woodside, CA, offers a variety of race distances including an 8K, Half Marathon, 35K, Marathon, and 50K, along with a free Kid's Run for children aged 6 and under. Participants will enjoy scenic trails through Huddart Park, featuring ..

The Mt. Umunhum Trail Conquest - Winter is an exciting running event held 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 into th..

The Jed Smith Ultra Classic is a premier running event organized by the Buffalo Chips Running Club, set to take place on February 1, 2025. This 47th edition features multiple race distances, including 50 miles, 50K, marathon, 30K, and half marathon, catering to runners of all levels. The course is U..

The Golden Gate Trail Run offers a scenic running experience along the Pacific Coast, featuring stunning views of the Marin Headlands, Tiburon, San Francisco, and the iconic Golden Gate Bridge. Participants can choose from various distances, including an 8K, Half Marathon, 30K, Marathon, and a free ..

The Lake Sonoma 100 Miler is a unique and exciting trail running event held in Geyserville, California. This challenging race features approximately 24,000 feet of elevation gain over 100 miles of predominantly singletrack terrain, making it suitable for seasoned trail runners. The event fosters a f..

The Montara Mountain Trail Run offers a variety of distances, including a 10K, Half Marathon, 20-mile, Marathon, and 50K, set against the stunning backdrop of the Coastal Mountain Habitat in Pacifica, California. Participants can enjoy scenic views while navigating through diverse terrains, includin..

The Sanborn Trail Challenge is an exciting running event held in Sanborn Park, Saratoga, CA, featuring a variety of 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 technical experience through a lus..

The Race to the Top of Mt. Umunhum is a challenging half marathon event set within the scenic Almaden Quicksilver Park and Sierra Azul Open Space Preserve in San Jose, CA. Participants will experience a point-to-point course that showcases the natural beauty of the area.The event includes a 6-hour t..

The Marin Ultra Challenge is a premier long-distance trail running event held in Marin County, California, featuring a 50-mile and a 50K race. Celebrating its 11th edition, the race showcases the stunning landscapes of the Marin Headlands, Mt. Tamalpais, and Muir Woods, with courses designed to chal..

The Napa Valley Trail Marathon is a scenic running event held annually in Bothe-Napa Valley State Park, California. The 2025 edition, marking its 33rd year, features a challenging course with lush single-track trails, hills, and streams, attracting up to 300 participants. Runners can choose from thr..

The Big Alta is an exciting trail running event hosted by Freetrail and Daybreak Racing in Marin County, California. Participants can choose between two challenging distances: a 50K and a 28K race, both featuring scenic single-loop courses that showcase breathtaking views of the San Francisco Bay Ar..

The Bad Ass Backyard Ultra, organized by Skybreaker Racing in collaboration with the Auburn Area Trail Runners, is a unique running event held at Dry Creek Parkway in Rio Linda, CA. Participants tackle a 4.16-mile loop, with one hour to complete each loop. Runners must be ready at the start corral w..

The South Hills Single Track Trail Run - Spring takes place at Calero County Park in San Jose, CA, featuring a variety of distances including a 50K, Trail Marathon, Half Marathon, and shorter options down to a Kids Run. Participants can expect a challenging course with scenic single track trails, hi..

The Redwood (Spring) Trail Run offers a variety of distances, including a 5-mile, half marathon, 30K, marathon, and 50K, all set in the scenic Redwood Regional Park. Participants can enjoy breathtaking views along the East Ridge and West Ridge trails, as well as the tranquil Stream and Bridle trails..

The Santa Teresa King Richard Annual Trail Run is a heartfelt event held at the Pueblo Day Use Area in Santa Teresa County Park, San Jose, CA. This running event features multiple distances, including a Half Marathon, 10 Mile, 10K, and 5K, catering to various skill levels. The race honors Richard Li..

The SPASM Lake Chabot Trail Run offers a variety of distances, including an 8K, Half Marathon, 30K, Marathon, and 50K, set in the scenic Lake Chabot Regional Park. The course features a mix of single track, dirt roads, and asphalt, making it suitable for both novice and experienced trail runners. Pa..

The 2025 Romancing the Island Half Marathon & 10K, taking place at Angel Island State Park, is the 34th annual running event that offers participants stunning views of the Golden Gate Bridge, San Francisco, and surrounding areas. The half marathon features a challenging loop course completed twice, ..

The Lake Sonoma 50 Mile event, taking place in Healdsburg, California, on April 12, 2025, features a challenging out-and-back course that showcases the stunning scenery around Lake Sonoma. This event is designed for both experienced runners and newcomers, offering a supportive atmosphere. Participan..

The Woodside Crossover will take place in Redwood City on Saturday 12 April 2025. You can run 50 kilometers.