Trail Running calendar near SoMa 2025-2026

Dirt Circus - San Francisco is a vibrant community running event set to take place in June 2025. Organized by UltraSignup, this festival celebrates local races and the running community, featuring a social run, food, and a raffle with exciting prizes. Participants can enjoy a casual group run with o..

The Angel Island Half Marathon is a unique running event set in the picturesque Angel Island State Park, offering stunning 360-degree views of the San Francisco Bay. Participants can choose between a half marathon and a 5-mile race, both of which include ferry transportation to the island. The event..

The Rock the Loch Half Marathon is a running event taking place from June 27 to June 30, 2025, at Lake Chabot Regional Park in Castro Valley, CA. Participants can choose to run in person or virtually, with options for a half marathon, 10K, and 5K distances. The event promises scenic trails, quality ..

The Bay 2 Bankers 10K is an exciting running event set in San Francisco, featuring a unique mystery theme that celebrates the city's classic vibes. Participants will start near the iconic Ferry Building and navigate through various neighborhoods using a custom map. Teams of 1 to 5 will answer multip..

The Rancho Hills Trail Run - Summer is an exciting running event set in the picturesque 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 r..

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 Muir Woods Trail Run, taking place in Stinson Beach, CA, offers a challenging experience for both novice and experienced mountain runners. Participants can choose from three distances: 10K, Half Marathon, and 30K. The course features steep climbs, breathtaking views of Stinson Beach and the Paci..

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 the oldest continuously running 50K races in the United States, taking place annually in August at Lake Chabot Marina in Castro Valley, California. This event is designed for both first-time ultrarunners and seasoned veterans, featuring a scenic course that lo..

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 Mount Madonna Challenge is an annual trail running event held in Gilroy, California, featuring 5K, 10K, and half marathon distances. Participants run through scenic trails among towering redwood trees, with routes offering stunning views of Santa Clara, Santa Cruz, and San Benito County. Establi..

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 stunning Marin Headlands of 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 inclu..

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 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 SPASM Crystal Springs Trail Run is an exciting running event taking place in Woodside, California, featuring a variety of race distances including an 8K, Half Marathon, 35K, Marathon, and 50K, along with a free Kid's Run for children aged 6 and under. Set against the stunning backdrop of Huddart..

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. Participants can expect a rugged ..

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.