Trail Running calendar near Sharp Park 2025-2026

Run-de-Vous is a community-focused running event held at Harvey Bear Ranch Park in San Martin, California, on August 29, 2025. The race features multiple distances, including 100 miles, 100K, 50 miles, marathon, 50K, and a 4-person 50M relay. The course is a fast, manageable 2-mile loop set against..

The SPASM Crystal Springs Trail Run is an exciting running event taking place in Huddart Park, Woodside, CA. Scheduled for August 31, 2025, it features multiple race distances including an 8K, Half Marathon, 35K, Marathon, and 50K, along with a free Kid's Run for children aged 6 and under. Participa..

The Stevens Creek Striders Reservoir Run, held in Cupertino, CA, offers a scenic trail running experience with distances of a Half Marathon (13.2 miles), 11K, and a 2.5-mile Lollipop Loop charity run/walk. The course features shaded single-track trails and open vistas, including challenging steep as..

The Diablo Trail Run, held at Diablo State Park in Clayton, California, offers a variety of scenic trail running events on September 7, 2025. Participants can choose from distances including 4 miles, 10 miles, half marathon, marathon, and 50K, with a free Kid's Run also available. The course feature..

The South Hills Single Track Trail Run - Summer is an exciting trail running event taking place at Calero County Park in San Jose, CA. Participants can choose from various distances, including a challenging 50K, Trail Marathon, 16 Mile, Half Marathon, 9 Mile, 10K, 5K, and a Kids Run. The course feat..

The Berkeley Trail Adventure is a scenic trail running event held in Berkeley, California, within Tilden Regional Park and Wildcat Canyon. It offers four race distances: 10K, half marathon, 35K, and 50K, featuring challenging terrain with technical dirt trails, fire roads, and some asphalt sections...

The Mt. Umunhum Marathon, Race to the Top and Down, is a challenging trail marathon held in Almaden Quicksilver County Park, San Jose, California. The race begins at the Hacienda Entrance and ascends to the summit of Mt.Umunhum, offering runners a demanding climb followed by a thrilling descent back..

The Rocky Ridge Trail Half Marathon is a challenging trail race held in the scenic Las Trampas Wilderness near San Ramon, California. Scheduled for September 20, 2025, the event features a half marathon, 10K, and 5K distances. Known for its tough terrain and significant elevation changes, the half m..

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.

The Pacifica Summit Run is an exciting running event taking place at San Pedro Valley State Park in Pacifica, CA. Participants can choose between a 10K and a Half Marathon, both offering stunning views of the Pacific Ocean coastline and challenging switchbacks. This event is designed for runners of..

The Spartan Trail - San Jose Trail Challenge takes place at Sanborn County Park in Saratoga, California, nestled on the eastern slopes of the Santa Cruz Mountains. This scenic event offers challenging trail runs with big climbs and fast descents on well-groomed, flowy singletrack trails through dens..

The Big Sur Trail Marathon, Half Marathon, and 5 Mile race is held annually at Andrew Molera State Park in Big Sur, California. Celebrating its 35th year in 2025, the event features challenging courses along the scenic Old Coast Road, offering stunning views of the California coastline. The marathon..

The Star City San Bruno Mountain Half Marathon, organized by the Excelsior Running Club, is set for October 4, 2025. This scenic race features a challenging 13.1-mile course that is 93% on trails, with a total elevation gain of 2,400 feet, offering stunning views of the Pacific Ocean, Bay, and San F..

The Reservoir Dogs Trail Run in Orinda, CA, offers a scenic trail running experience around the Briones Reservoir on EBMUD trails, typically permit-only. Scheduled for October 4, 2025, the event features three distances: 10K, Half Marathon, and 35K, all starting and finishing at the San Pablo Reserv..

The SFRC Women's Headlands Half Marathon is a scenic trail running event held in the Marin Headlands, starting and finishing at Rodeo Beach near Sausalito, California. The race features a challenging 12.6-mile half marathon with 2,494 feet of elevation gain, alongside a 6-mile 10K option. Both cours..

The Ruth Anderson Memorial Endurance Run is a prestigious running event held annually in San Francisco, California, since 1986. This endurance race features multiple distances, including 50 miles, 100 kilometers, and 50 kilometers, attracting runners of various skill levels. The course consists of a..

The Mt. Umunhum Trail Conquest-Fall is a trail running event held at Almaden Quicksilver County Park in San Jose, California. The race offers multiple distances including a 5K, 7 Mile, Half Marathon, 30K, Trail Marathon, and 50K.The longer courses venture into the scenic Sierra Azul Open Space Prese..

The Skyline Wilderness Endurance Trail Run takes place in Skyline Wilderness Park, Napa, California, featuring a challenging course with over 815 feet of elevation gain per 4.1+ mile loop. Participants can choose from 12-hour, 6-hour, or 3-hour race options, running as many laps as they can within t..

The California Fall Classic at Lake Sonoma, held in Healdsburg, CA, offers two challenging ultramarathon distances: 100K and 55K. Set against the stunning backdrop of wine country during harvest season, the courses feature relentless single-track trails with majestic views of Lake Sonoma. The 100K s..

The Diablo Summit Stomp is an exciting trail running event scheduled for October 18, 2025, in Walnut Creek, California. Participants can choose from four distances: 30K, Half Marathon, 10K, and 5K, all set on scenic dirt trails that lead into Mount Diablo State Park. The event is designed to accommo..