Trail Running Calendar California 2025-2026

The HOKA Black Canyon Ultras Training Day will take place in Mill Valley on Saturday 25 January 2025.

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, covering..

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 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..

The Sean O'Brien event, taking place in Calabasas, CA, offers a range of challenging trail races including 100K, 50 Mile, 50K, Marathon (26.2 miles), and 30K on January 25, 2025. This event is notable as the 100K serves as a qualifier for the prestigious Western States 100. Participants can expect s..

The La Cuesta Ranch Trail Run is set to take place on January 25, 2025, in San Luis Obispo, California. This scenic event features three race distances: 10km, 25km, and 50km, all on dirt trails and ranch roads with stunning views of the West Cuesta Ridge. Participants will enjoy well-marked courses,..

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 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 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 Mt. Hollywood 12K Trail Run Hike is an exciting outdoor event taking place in Griffith Park, Los Angeles, featuring multiple race options including a 12K trail run/hike, an 8K run, a 5K challenge, and a kid's 2.2K run. Participants can enjoy stunning views of the Hollywood Sign, Griffith Observa..

The Calico Trail Run is an exciting annual event featuring 30k and 50k trail races set against the stunning backdrop of the historic Calico Ghost Town and the Calico Mountains. Scheduled for January 26, 2025, this adventure combines rugged terrain with breathtaking scenery, making it a unique experi..

The Lake Sonoma 100 Miler is an exciting endurance running event set in Geyserville, California, featuring a challenging 100-mile course with approximately 27,000 feet of elevation gain. The race emphasizes a festival-like atmosphere, complete with live music, food trucks, and wine tasting at the st..

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 through beautiful trails, majestic oaks, and grasslands using a custom map to locate up to 20 checkpoints within a 2-hour timeframe. This event emp..

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 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 San Pasqual Valley Trail Race, set in the picturesque San Diego Wine Country, is an annual event that offers three race distances: 10K, Half Marathon, and 20 Mile. Participants will enjoy stunning views as they navigate through vineyards and orange groves, with the more challenging courses featu..

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 Hensley Off Road Races, taking place at Hensley Lake's Buck Ridge Trail, features a variety of events including a 10k Trail Run and multiple categories of mountain bike races. Participants can choose from a 10k run, a combined run and ride, and MTB races categorized by lap distances. The event p..

The Racing Gnome Snowshoe Race, organized by the Donner Party Mountain Runners, is a beloved annual event taking place on February 2, 2025, in Truckee, California. Participants can choose between two distances: a 5K and a 10K, making it suitable for all experience levels. The registration fee is $25..

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..