Trail Running calendar near Clayton 2024-2025

The China Camp Challenge is a running event held at China Camp State Park in San Rafael, California. Participants can choose from three distances: a 5K, 10K, or half marathon, all set against the backdrop of scenic trails and views of the Bay Area. The park offers a unique environment for runners, f..

The Gumby 10K and 5K is a fun running event scheduled for January 25, 2025, at Granite Beach, Folsom Lake SRA. Participants can enjoy scenic trail courses along the lake, with plenty of aid stations and enthusiastic volunteers to support them. Runners will receive unique Gumby and Pokey finisher med..

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 Folsom Lake Sweetwater Trail Run is an exciting running event taking place at the Folsom Lake State Recreation Area, featuring a variety of distances including a Kids Run, 1 Mile, 5K, 10K, 9 Mile, Half Marathon, 30K, Trail Marathon, and 50K. The course is predominantly single-track, offering sce..

The Jed Smith Ultra Classic is a renowned running event hosted 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 USA..

The Lake Sonoma 100 Miler is a unique and exciting ultra-running event held in Geyserville, California. This challenging race features approximately 27,000 feet of elevation gain over 100 miles of predominantly singletrack trails, making it suitable for seasoned trail runners. The event fosters a fe..

The Mt. Umunhum Trail Conquest - Winter is an exciting running event held at Almaden Quicksilver Park in San Jose, CA. Participants can choose from various distances, including a 50K, Marathon, 30K, Half Marathon, 7 Miler, 5K, Mile, and a Kids Run.The challenging courses feature scenic routes throug..

The Golden Gate Trail Run is an exciting running event scheduled for February 1, 2025, in Sausalito, California. Participants can choose from various distances, including an 8K, Half Marathon, 30K, Marathon, and 50K, along with a free Kid's Run for children aged 6 and under. The scenic course offers..

The Giro di Fremont is an annual 60K running event that showcases the scenic beauty of Fremont, California. Participants will traverse a point-to-point course from Mission Peak Trailhead to Don Edwards Wildlife Refuge, exploring various local landmarks along the way. The event emphasizes self-naviga..

The 2025 Escape from Folsom event features a 10-mile race and a 5K run, both set along scenic trails by Folsom Lake. Participants will receive a finisher medal and have the option to purchase a soft-cotton race shirt. Aid stations will be available throughout the course, providing hydration and ener..

The Redtail Ridge will take place in Castro Valley on Saturday 15 February 2025.

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..

The Montara Mountain Trail Run is a scenic running event taking place in Pacifica, California, featuring multiple 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 undisturbed Coastal ..

The Lost Trail Half Marathon and 5K, organized by TBF Racing, takes place at Granite Beach, Folsom Lake SRA. This scenic event features well-marked courses with beautiful lake views and wildflowers, supported by multiple aid stations. Participants can enjoy custom finisher medals and soft-cotton rac..

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, 1 Mile, and a Kids Run. The course is predominantly single track trail, offering a challenging and technical experience through a l..

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

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 navigate a point-to-point course, with a six-hour time limit to complete the race.The event includes registrat..

The Zoom Angel Island event, scheduled for March 9, 2025, offers a variety of running distances including 5 miles, 10 miles, and 15 miles, along with a free Kid's Run for children aged 6 and under. Set on the scenic Angel Island, participants can enjoy breathtaking views while navigating trails that..

The Folsom Lake Southside Trail Run is an exciting trail running event held at Brown's Ravine in Folsom, California. Participants can choose from various distances, including a 50K, Marathon, 25K, Half Marathon, 7.5 Miler, and 5K. The race features a scenic course that is 95% single track and 5% dir..

The Bad Ass Backyard Ultra, organized by Skybreaker Racing in collaboration with Auburn Area Trail Runners, is a unique running event held at Dry Creek Parkway in Rio Linda, California. Participants must complete a 4.16-mile loop within one hour, with new loops starting every hour on the hour. Runne..