Trail Running calendar near Clayton 2024-2025

We have found 96 Trailruns within 80 miles of Clayton. See below where and when you can find the races.

The Brazen New Year's Eve event offers participants the chance to run a half marathon, 10K, or 5K at Lake Chabot in Castro Valley, California. This event is designed for runners of all levels, including hikers and walkers, making it a perfect way to close out the year with friends and fitness. Parti..

January 2025

The Brazen New Year's Day event offers a scenic and invigorating start to the new year with races at Lake Chabot in Castro Valley. Participants can choose from a half marathon, 10K, or 5K, making it a family-friendly occasion. The event encourages runners to kick off their resolutions and enjoy the ..

The Hacienda Hills Trail Run - Winter is an exciting trail running event taking place at Almaden Quicksilver County Park in San Jose, California. Scheduled for January 4, 2025, this event features nine different race distances, including a Kids Run, 5K, 10K, half marathon, marathon, and a challengin..

The IPA Beer Trail Runs, organized by TBF Racing, offers a unique running experience featuring 5K and 12K courses along the scenic shoreline of Folsom Lake. Participants can enjoy well-marked single track trails while being rewarded with locally brewed IPA at the finish line. Each runner receives a ..

The Crystal Springs Trail Run, scheduled for January 12, 2025, in Woodside, California, 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, fe..

The Folsom Lake Sweetwater Trail Run is an exciting running event taking place at the Folsom Lake State Recreation Area in El Dorado Hills, CA. Scheduled for January 25, 2025, the race features a variety of distances, including a Kids Run, 1 Mile, 5K, 10K, 9 Mile, Half Marathon, 30K, Trail Marathon,..

The Gumby 10K and 5K is a fun running event scheduled for January 25, 2025, at Granite Beach, Folsom Lake SRA. Participants can choose between a 10K (6.2 miles) and a 5K (3.1 miles) trail run, both featuring scenic courses along the lake. Runners will receive unique Gumby and Pokey finisher medals, ..

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 natural environment with a canopy..

The Coyote Hills Run, organized by Brazen Racing, takes place at Coyote Hills Regional Park in Fremont, California, featuring a scenic running experience along the San Francisco Bay. Participants can choose from three race distances: a half marathon, a 10K, and a 5K, with courses designed to accommo..

February 2025

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 Golden Gate Trail Run is an exciting running event taking place in Sausalito, California, featuring a variety of race distances including an 8K, Half Marathon, 30K, Marathon, and 50K, along with a free Kid's Run for children aged 6 and under. Participants can enjoy stunning views of the Pacific ..

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

The Lake Sonoma 100 Miler, also known as "Sufferfest," is an exciting and unique 100-mile trail running event held in Geyserville, California. The race features a challenging course with approximately 27,000 feet of elevation gain, primarily on non-technical singletrack trails. Participants can enjo..

The Go Wild! Lime Ridge 2 Hour event invites participants to explore the scenic Lime Ridge Open Space in Walnut Creek, CA. Teams of 1 to 5 will navigate using a custom map to locate up to 20 checkpoints within a two-hour timeframe. This adventure combines trail running and wilderness scrambling amid..

The Escape from Folsom is a running event featuring a 10-mile race and a 5K, taking place at Granite Beach, Folsom Lake State Recreation Area. Participants will enjoy scenic trails along the lake's shoreline, with both races offering a custom finisher medal. Aid stations will be available throughout..

The Giro di Fremont is an exciting 60K running event taking place in Fremont, California, showcasing the area's scenic beauty. This point-to-point course runs from Mission Peak Trailhead to Don Edwards Wildlife Refuge, featuring minimal course markings, so participants are encouraged to navigate usi..

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 race offers a mix of dirt trails and paved sections, making it suitable for both competitive runners an..

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 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 beautiful Coastal Mo..