Trail Running calendar near Calistoga 2025-2026

The Rodeo Valley Trail Run, taking place in the scenic Marin Headlands, offers a variety of race distances including 8K, Half Marathon, 30K, and 50K. Participants will enjoy breathtaking views of the Pacific Ocean, San Francisco, and the Golden Gate Bridge while navigating challenging terrain that f..

The Skyline 50K Endurance Run is one of California's oldest and most celebrated 50K races, taking place annually in August at Lake Chabot Marina in Castro Valley. This event is designed for both novice and experienced ultrarunners, featuring a scenic course that loops through the East Bay Regional P..

Bear Creek 2025 is an exciting running event taking place in Lafayette, California, featuring a Half Marathon, 10K, and 5K races. Set against the scenic backdrop of Briones Regional Park, participants can expect a challenging course with hills, perfect for those seeking a unique trail experience rat..

The Redwood (Summer) Trail Run is an exciting running event taking place in Oakland, California, featuring a variety of race distances including a 5-mile run, Half Marathon, 30K, Marathon, and 50K, along with a free Kid's Run for children aged 6 and under. The course winds through the scenic Redwood..

The Tamalpa Headlands 50K is a challenging ultramarathon set in the stunning Marin County, California, featuring iconic trails such as Coastal, Miwok, and Dipsea. Established in 1998 and presented by the Tamalpa Runners, this single-loop race offers approximately 6,500 feet of elevation gain, combin..

The Double Dipsea is a challenging 13.7-mile trail run that takes place annually, starting at Stinson Beach, California. First held in 1970, this race is known for its unique handicapped start format, where slower runners begin first, creating a dynamic environment of constant passing on narrow trai..

The Diablo Trail Run, scheduled for September 7, 2025, in Clayton, California, offers a variety of race distances including a 4-mile, 10-mile, half marathon, marathon, and 50K, along with a free Kid's Run for children aged 6 and under. The event takes place in the scenic Mount Diablo State Park, fea..

The Berkeley Trail Adventure is an exciting running event set in the scenic Tilden Regional Park and Wildcat Canyon in Berkeley, CA. Scheduled for September 13, 2025, participants can choose from various distances, including 10K, half marathon, 35K, and 50K. The course features a mix of shaded trail..

The Gold Rush Growler Trail Runs feature a 10-mile and a 5K race, taking place at Granite Beach, Folsom Lake SRA. Participants can enjoy scenic courses along the shoreline and single-track trails. The event includes new courses for 2025, with awards for top finishers and age group categories.Each co..

The Rocky Ridge Trail Half Marathon is set to take place on September 20, 2025, at the scenic Las Trampas Wilderness in San Ramon, California. This challenging event features a half marathon, along with 10K and 5K options, catering to various skill levels. The half marathon is known for its rugged t..

The Dick Collins Firetrails will take place in Castro Valley from Saturday 27 September 2025 to Sunday 28 September 2025. You can run between 42 and 100 kilometers.

The Pacifica Summit Run is an exciting running event taking place at San Pedro Valley State Park in Pacifica, CA. Participants can choose between a 10K and a Half Marathon, both offering stunning views of the Pacific Ocean coastline and challenging switchbacks. This event is designed for runners of..

The Star City San Bruno Mountain Half Marathon, organized by the Excelsior Running Club, is set for October 4, 2025. This scenic race features a challenging 13.1-mile course that is 93% on trails, with a total elevation gain of 2,400 feet, offering stunning views of the Pacific Ocean, Bay, and San F..

The Women's Headlands Half Marathon, taking place on October 4, 2025, is a scenic running event set in the stunning Marin Headlands, starting and finishing at Rodeo Beach. This annual race features a challenging half marathon distance of 12.6 miles with an elevation gain of 2,494 feet, as well as a..

The Reservoir Dogs Trail Run, taking place in Orinda, CA, offers a unique opportunity to traverse the scenic trails around Briones Reservoir, typically restricted to permit-only access. Participants can choose from three distances: 10K, Half Marathon, and 35K, all featuring beautiful rolling hills a..

The Mile Madness Endurance Run is an exciting endurance event taking place from October 10-13, 2025, at the Sunset Whitney Recreation Area in Rocklin, CA. This unique race features a 1.05-mile loop course, primarily on dirt trails, allowing participants to choose from various timed challenges, inclu..

The Ruth Anderson Memorial Endurance Run is a prestigious running event held annually in San Francisco, California, since 1986. This endurance race features multiple distances, including 50 miles, 100 kilometers, and 50 kilometers, attracting runners of various skill levels. The course consists of a..

The California Fall Classic at Lake Sonoma features two challenging ultra-distance races: a 100K and a 55K, set against the stunning backdrop of wine country during the harvest season. This event is recognized as a qualifier for the prestigious Western States 100 Mile Endurance Run. Participants can..

The California Fall Classic at Lake Sonoma features two challenging ultra-distance races: a 100K and a 55K, set against the stunning backdrop of wine country. Scheduled for October 18, 2025, this event is renowned for its scenic single-track trails and vibrant community atmosphere, complete with loc..

The Willow Hills XC is an annual cross-country race organized by the Buffalo Chips Running Club, taking place at the scenic Willow Hill Reservoir near Folsom High School. Celebrating its 15th year, this event features a challenging 5k course consisting of two loops over rolling hills. Participants c..