Trail Running calendar near San Francisco 2024-2025

The Calero Trail Run - Spring is an exciting trail running event held at Calero County Park in San Jose, CA. Participants can choose from various distances, including a 50K, marathon, 25K, half marathon, 15K, 10K, 5K, and a kids run. The course features scenic single tracks, hills, and dirt paths, m..

The Wildcat Half Marathon, scheduled for May 31, 2025, in El Sobrante, California, features a scenic trail race with options for a half marathon, 10K, and 5K. Participants can enjoy breathtaking 360-degree views of the Bay Area, including landmarks like the Golden Gate Bridge and Alcatraz. The event..

The 2025 Lake Chabot Trail Challenge features a Half Marathon and a 5K run, taking place in Castro Valley, California. This annual event, now in its 41st year, is popular among trail runners and offers scenic courses with views of Lake Chabot, Mt. Diablo, and the San Francisco Bay.The Half Marathon ..

The Cinderella Trail Run, scheduled for June 1, 2025, in Oakland, CA, offers 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. The scenic course winds through Joaquin Miller and Redwood Regional parks, featu..

The Mt Umunhum Ultras is an exciting trail running event set in the scenic Santa Clara Valley and Sierra Azul Open Space Preserve. Participants can choose from various challenging distances, including a 52-mile ultra and a 50K, both featuring over 15,000 feet of elevation gain. The event also offers..

The SF Half Day is a unique running event taking place in San Francisco, featuring various race durations: 12-hour, 6-hour, and 3-hour options for both solo participants and teams. The course is a scenic one-mile loop around Crissy Field, offering stunning views of the Golden Gate Bridge and the San..

The China Camp Trail Run is a scenic running event held at China Camp State Park in San Rafael, California. Participants can choose from three distances: 5K, 10K, and a Half Marathon, all featuring a mix of twisting single-track trails and beautiful views of Mt. Tam, San Pablo Bay, and San Francisco..

The Angel Island Half Marathon is a unique running event taking place at Ayala Cove in Angel Island State Park, Marin County, CA. Scheduled for June 21, 2025, participants can choose between a half marathon and a 5-mile race, both of which include ferry transportation. The event offers stunning 360-..

The Rancho Hills Trail Run - Summer is an exciting running event set in the scenic Rancho Cañada del Oro Open Space Preserve in Morgan Hill, CA. Participants can choose from various distances, including a 50K, Trail Marathon, 30K, Half Marathon, 10 Mile, 8 Miler, 10K, and 5K. This challenging race f..

The Dirty Dozen Run, organized by Brazen Racing, is a unique endurance event taking place at Point Pinole Regional Shoreline. Scheduled for July 12, 2025, participants can choose to run for 12, 6, or 3 hours, either solo or in teams of two or three. The race features a scenic 3.37-mile loop primaril..

The San Lorenzo River Trail Run is an exciting running event taking place in Santa Cruz, California, featuring multiple race distances including a 10K, Half Marathon, 30K, Marathon, and 50K, along with a free Kid's Run for children aged 6 and under. Participants will enjoy a scenic course that winds..

The Calero Hills Trail Fest is an exciting trail running event held at Calero County Park in San Jose, CA. Participants can choose from various distances, including a marathon, 30K, half marathon, 10 miler, 10K, and 5K. The course features challenging ascents and descents through scenic oak groves, ..

The Skyline 50K Endurance Run is one of California's longest-running 50K races, taking place annually in August at Lake Chabot Marina in Castro Valley. This event is designed for both first-time ultrarunners and seasoned veterans, featuring a scenic course that loops through the East Bay Regional Pa..

Bear Creek Run is a trail running event taking place in Lafayette, California, featuring a Half Marathon, 10K, and 5K on August 9, 2025. The courses are known for their challenging hills, offering participants a scenic experience through Briones Regional Park. Hikers and walkers are welcome, making ..

The Redwood (Summer) Trail Run is an exciting running event scheduled for August 16, 2025, in Oakland, California. Participants can choose from various 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 scenic cour..

The Almaden Hills Trail Run is an exciting running event held at Almaden Quicksilver Park in San Jose, California. Participants can choose from various distances, including 5K, 10K, 8M, Half Marathon, 30K, Trail Marathon, and 50K, catering to runners of all skill levels. The course features a mix of..

The Tamalpa Headlands 50K is a challenging ultramarathon set in the scenic Marin Headlands, California, featuring a single-loop course that showcases iconic trails such as Coastal, Miwok, and Dipsea. Established in 1998, this event is presented by Nike Trail and the Tamalpa Runners, and it includes ..

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 4 miles, 10 miles, a half marathon, a marathon, and a 50K, along with a free Kid's Run for children aged 6 and under. The event takes place in the scenic Mount Diablo State Par..

The Rocky Ridge Trail Half Marathon is set to take place on September 20, 2025, in the scenic Las Trampas Wilderness of San Ramon, California. This challenging event is part of the Brazen Ultra Half Series and features a half marathon, along with 10K and 5K options. The half marathon is known for it..