Trail Running calendar near Ripon 2025-2026

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 Folsom Lake Southside Trail Run is an exciting trail running event taking place in Folsom, California, featuring a variety of distances including 50K, Marathon, 25K, Half Marathon, 7.5 Miler, and 5K. The race predominantly follows the scenic Southside Trail, offering participants a beautiful cou..

The South Hills Single Track Trail Run - Spring is an exciting trail running event taking place at Calero County Park in San Jose, CA. Participants can choose from various distances, including a 50K, Trail Marathon, Half Marathon, and shorter options down to a Kids Run. The course features scenic si..

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 the 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. R..

The Horseshoe Lake Half Marathon is a scenic running event taking place in La Honda, California, featuring a 13-mile course that offers stunning views of both the Pacific Ocean and San Francisco Bay. The route combines single-track trails and fireroads, with a total ascent of 2230 feet, making it su..

The Folsom Lake Falcon Crest Trail Run, scheduled for March 29, 2025, takes place in the scenic foothills of El Dorado Hills, California. Participants can choose from four race distances: 5K, 10K, 8 Mile, and Half Marathon, all featuring a mix of fast and technical single-track trails alongside Fols..

The Terrible, Horrible, No Good, Very Bad Day 50K is a unique ultrarunning event taking place on March 29, 2025, in Los Gatos, California. This non-supported, fatass run features challenging trail options, including a 50K with a significant elevation gain of 10,900 feet, requiring participants to co..

The Western Pacific event features a half marathon, 10K, and 5K, taking place in Fremont, California, on March 29, 2025. Organized by Brazen Racing, this race offers a flat and fast course, ideal for runners and walkers of all levels. The route utilizes the historic Western Pacific Trail, originally..

The Santa Teresa King Richard Annual Trail Run is a cherished event held at Santa Teresa County Park in San Jose, CA, designed to honor the legacy of Richard Limb. Participants can choose from various distances, including a Half Marathon, 10 Mile, 10K, and 5K, all set against the park's stunning nat..

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 American River 50 Mile Endurance Run is one of the largest and most prestigious 50-mile races in the United States, attracting both seasoned runners and newcomers. Set against the stunning backdrop of Northern California, the race follows the scenic American River Parkway from Folsom to Auburn. ..

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 runners of all experience levels, from beginners to seasoned ultra-runners. A portion of t..

The California Gold Rush Trail Run - Spring takes place in the scenic Marshall Gold Discovery State Historic Park in Coloma, CA. This event features various race distances, including a Half Marathon, 15K, 10K, 5K, Mile, and a Kids Run, all set against the backdrop of the historic site where gold was..

The Woodside Crossover is a trail running event taking place at Huddart County Park in Woodside, California, featuring distances of 10K, Half Marathon, 35K, and 50K. Set against the stunning backdrop of redwood forests and scenic trails, participants can enjoy a variety of terrains, including single..

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 SPASM Lake Chabot Trail Run is a diverse running event taking place at Lake Chabot Regional Park in Castro Valley, California. Scheduled for April 12, 2025, the event features multiple race distances, including an 8K, Half Marathon, 30K, Marathon, and 50K, along with a free Kid's Run for childre..

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..

Outlands is an exciting trail running event set to take place on April 12, 2025, at Peninsula Campground in Pilot Hill, California. Participants can choose between two challenging distances: a 50-mile race and a 50K race, both designed to showcase the stunning natural beauty of Northern California. ..