Trail Running calendar near Santa Venetia 2025-2026

The SF Half Day is a unique running event taking place in San Francisco, featuring various race formats including 3-hour, 6-hour, and 12-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 China Camp Trail Run is a scenic race held in China Camp State Park near San Rafael, California, featuring 5K, 10K, and half marathon distances. Participants traverse diverse, technical dirt trails with views of Mt. Tam, San Pablo Bay, and San Francisco Bay, passing through forests and open terr..

The Mt Umunhum Ultras is a trail running event held in San Jose, California, featuring multiple race distances including a 52-mile ultra, 50K, trail marathon, 30K, half marathon, and shorter races like 9-mile, 10K, and 5K. The event offers challenging courses with over 15,000 feet of elevation gain..

The Skyline Ridge Trail Run is a scenic running event taking place in La Honda, California, featuring two distances: a 50K and a 21K. Participants will traverse the beautiful landscapes of Skyline Ridge and Russian Ridge Open Space Preserves, experiencing diverse terrains from narrow trails to wide..

Dirt Circus - San Francisco is a vibrant community running event scheduled for June 15, 2025. Organized by UltraSignup, this festival celebrates local races and the running community. Participants can enjoy a casual group run, with options for different paces, followed by a pancake breakfast and an..

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 a ferry ride from Tiburon. The event combines..

The Woodmonster Trail Race is a challenging 10-mile trail run starting and ending at the Chabot Space & Science Center in Oakland. The course features hills, single-track trails, and the infamous Woodmonster climb, making it a demanding yet scenic race through East Bay parks. Participants can regist..

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 a scenic trail run, com..

The Bay 2 Bankers 10K and 5K in San Francisco is an annual race celebrating the city's vibrant neighborhoods and classic vibes. Participants navigate a course starting near the Ferry Building, using a custom map to find checkpoints and answer multiple-choice questions. The event fosters community en..

The Rancho Hills Trail Run - Summer is a challenging trail running event held in the scenic foothills of the South Bay Area, specifically within the Rancho Cañada del Oro Open Space Preserve in Morgan Hill, California. The race features a variety of distances, including 50K, trail marathon, 30K, hal..

The Dirty Dozen Run is an endurance trail running event held at Point Pinole Regional Shoreline in Richmond, California. Scheduled for July 12, 2025, it features 12-hour, 6-hour, and 3-hour races on a scenic 3.37-mile loop composed mostly of dirt fire trails. The course offers expansive shoreline vi..

The Muir Woods Trail Run, part of the Inside Trail Racing series, takes place on July 12, 2025, in Stinson Beach, California. The event offers three race distances: 10K, half marathon, and 30K, featuring challenging trail courses through Mt. Tamalpais State Park and Muir Woods.Runners will experienc..

The San Lorenzo River Trail Run is an exciting running event set 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 experience a scenic course that winds thr..

The Calero Hills Trail Fest is a trail running event held at Calero County Park in San Jose, California. Participants can choose from various distances, including marathon, 30K, half marathon, 10-mile, 10K, and 5K courses. The race features challenging terrain with single track trails, hills, and di..

The Rodeo Valley Trail Run is a scenic trail race held in the Marin Headlands near Sausalito, California, within the Golden Gate National Recreation Area. The event offers four race distances: 8K, half marathon, 30K, and 50K, featuring challenging steep pitches, lofty downhill sections, and stunning..

The Skyline 50K Endurance Run is one of California's oldest and most celebrated 50K races, taking place annually in August at Lake Chabot Marina in Castro Valley. This event is designed for both novice and experienced ultrarunners, featuring a scenic course that loops through the East Bay Regional P..

Bear Creek is a trail running event held in Lafayette, California, featuring a half marathon, 10K, and 5K distances. The races take place on challenging courses with many hills through the scenic Briones Regional Park, offering a rewarding experience for trail runners rather than a flat, fast course..

The Almaden Hills Trail Run in Summer takes place in Almaden Quicksilver Park, San Jose, CA. It offers a variety of distances, including 5K, 10K, 8 miles, half marathon, 30K, trail marathon, and 50K. The course is challenging, featuring 60% dirt roads and 40% single track trails, with significant el..

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 Tamalpa Headlands 50K is a challenging ultramarathon set in the stunning Marin County, California, featuring iconic trails such as Coastal, Miwok, and Dipsea. Established in 1998 and presented by the Tamalpa Runners, this single-loop race offers approximately 6,500 feet of elevation gain, combin..