Trail Running Calendar California 2024-2025

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 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 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 Billy Goat Half Marathon Climb is an exciting running event taking place in Temescal Valley, California, on April 5, 2025. Participants can choose between a challenging half marathon and a 10K race, both featuring significant elevation gains of approximately 2,800 feet. The course traditionally ..

The Ruth McKenzie Preserve Half Marathon, along with a 10k, 5k, and kids races, is set to take place on April 5, 2025, in Clovis, California. This event features a variety of race distances catering to all ages and skill levels, including a half marathon, 10k, and 5k runs/walks, as well as shorter r..

The Point Mugu Trail Run is an exciting springtime event held at Point Mugu State Park, featuring a challenging Half-Marathon and a scenic 10k trail race. The course begins at the Ray Miller Trail, featuring ocean-view switchbacks and a descent into Sycamore Canyon, followed by a steep climb on the ..

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 Chesebro Half Marathon is a scenic running event set in the beautiful Santa Monica Mountains National Recreation Area, Agoura Hills, California. This USATF-sanctioned race features a unique course that combines approximately 60% trail and 40% road, offering participants stunning views and a vari..

The Rock It in El Moro Canyon 6K & 10 Miler, presented by Fitness on Fire, is an exciting trail running event set in the scenic El Moro Canyon, Laguna Beach, CA. Participants can choose between a 6K or a 10-mile course, featuring challenging climbs and breathtaking views of the Pacific Ocean. The ev..

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 Oriflamme 50K is a scenic trail running event set in the beautiful Anza Borrego Desert State Park. This out-and-back course begins at the Sunrise Trailhead and features a diverse terrain, including single track along the Pacific Crest Trail and a significant descent into the desert. Runners will..

Run With The Burros is a unique running event that celebrates the heritage of burros in the Indian Wells Valley, California. Participants can choose from three distances: a 26.2-mile marathon, an 18-mile run, and a 10-mile introductory course, with options for both runners with burros and those runn..

The Porterville 5K/10K Trail Run, organized by the Porterville Military Academy, is set to take place on April 12, 2025. This community event features a 5K and 10K run/walk on a dirt path course, along with a children's 1/4 mile run/walk. Participants will receive a custom race t-shirt, finisher med..

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 ..

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..

Leona Divide is an exciting running event taking place in Lake Hughes, California, featuring multiple race distances: 100 miles, 100 kilometers, 50 miles, and 50 kilometers. Scheduled for April 12, 2025, this event serves as a qualifier for the prestigious Western States 100 Mile race. Participants ..

The Machete Trail Madness 100K is a challenging ultramarathon event taking place on April 12, 2025, at Lake Perris, California. Participants can choose from three distances: 100K, 50K, and 10K, with a course featuring a 10-mile loop and a total elevation gain of 2,300 feet per lap. The event emphasi..

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 set in the scenic Huddart County Park and Purisima Creek Redwoods Open Space Preserve in Woodside, California. Scheduled for April 12, 2025, this event features multiple race distances, including 10K, Half Marathon, 35K, and 50K, catering to runners of..