Trail Running calendar near Geyserville 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 natural environment with a canopy..

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 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 beautiful Coastal Mo..

The Marin Ultra Challenge is a premier long-distance trail race held in Marin County, California, featuring 50-mile and 50K events. Celebrating its 11th edition in 2024, the race showcases some of the region's most stunning trails, including the Marin Headlands, Mt. Tamalpais, and Muir Woods.Partici..

Zoom Angel Island is a running event taking place on Angel Island, California, featuring multiple race distances: 5 miles, 10 miles, and 15 miles, along with a free Kid's Run for children aged 6 and younger. The event offers scenic trails with stunning views of Marin County and San Francisco. Partic..

The Napa Valley Trail Marathon, Half Marathon, and 10K is a scenic running event taking place in Bothe-Napa Valley State Park, California, on March 22, 2025. Celebrating its 33rd year, the event features challenging courses with beautiful landscapes, including hills, streams, and rocky trails. Parti..

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

The Redwood (Spring) Trail Run is an exciting running event taking place in Oakland, California, featuring a variety of race distances including a 5-mile, Half Marathon, 30K, Marathon, and 50K, along with youth categories and a free Kid's Run. Set against the stunning backdrop of Redwood Regional Pa..

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..

The Lag Bon 10K is a trail running event taking place in Fairfax, California, on March 30, 2025. This moderately challenging course features beautiful trails around Marin County's reservoirs, with an elevation gain/loss of approximately 400 feet. The event aims to raise funds and awareness for the g..

The Golden Gate Headlands Marathon, Half Marathon, and 10K is a scenic running event taking place in the Marin Headlands, California, on April 5, 2025. Celebrating its 40th annual edition, the race offers participants breathtaking views of the San Francisco Bay, the Pacific Ocean, and the iconic Gol..

The Diablo Trails Challenge is a running event taking place on Mount Diablo, featuring multiple race distances including a 50K, half marathon, 10K, and 5K. Scheduled for April 5, 2025, this challenge caters to participants of all skill levels, from beginners to experienced ultra-runners. A portion o..

The Annadel Half Marathon, along with its 10K and 5K events, is a non-profit fundraising race held in Sonoma County, designed to enhance the beauty of local parks. Celebrating over 14 years, this event features a challenging half marathon course with significant elevation gain, ideal for experienced..

The 2025 Romancing the Island Half Marathon & 10K is set to take place at Angel Island State Park in Belvedere Tiburon, California. This annual event, now in its 34th year, features a scenic loop trail that offers breathtaking views of the Golden Gate Bridge, San Francisco, and surrounding areas. Pa..

The Rodeo Beach Rumble is an exciting running event taking place in the stunning Golden Gate National Recreation Area, near San Francisco. Participants can choose between an 8K and a Half Marathon, both offering breathtaking views of the Bay Area and historical military landmarks along the routes. T..

The Lake Sonoma 50 is an exciting running event taking place in Healdsburg, California, featuring a 50-mile race, a marathon, and the Trail Sisters Half Marathon. Scheduled for April 12, 2025, this event is presented by adidas TERREX and includes live streaming coverage, athlete panels, and special ..