Trail Running calendar near Napa 2025-2026

The Grizzly Peak Trail Run is an exciting running event taking place at Lake Anza in Tilden Regional Park, Berkeley, CA. Scheduled for May 10, 2025, it features 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...

Nitro Trail 2025 is a trail running event held at Point Pinole Regional Shoreline Park in San Pablo, California. The race offers three distance options: a half marathon, 10K, and 5K, catering to a range of runners from casual to more competitive trail enthusiasts. The course is set in a historic are..

The Quicksilver Endurance Runs is an annual trail running event held in San Jose, California, featuring 50K and 100K races on scenic, challenging single-track trails and fire roads through oak forests, meadows, and ridges with panoramic views of the Santa Clara Valley and Santa Cruz Mountains. The 1..

The Muir Woods Marathon, Half Marathon, and 7 Mile trail runs take place annually at Stinson Beach, California, starting from the Stinson Beach Parking Lot. This scenic event features challenging courses that ascend from sea level into the dense, towering redwoods and oaks of Muir Woods, following t..

The 13 Mile Trail Race Top Down is a scenic trail running event held in San Jose, California, featuring a half marathon course through Almaden Quicksilver Park and Sierra Azul Open Space Preserve. Participants are transported from Almaden Quicksilver Park to the starting point at Mt. Umunhum, where..

The Napa Wilderness Trail Runs, hosted by Bay Trailrunners at Skyline Wilderness Park in Napa, California, offer a variety of trail running events suitable for all levels. Distances include a challenging 40-mile "Elevation Beast," a 50K endurance race, a scenic 30K, a half marathon, and a 10K for be..

The Placer Trail Running Festival, held in Granite Bay, California, offers a variety of trail races suitable for all levels. Participants can choose from a 25K, 10K, 5K, or a 5K Canicross event, all taking place on scenic, runnable trails near Folsom Lake. The festival emphasizes community and outdo..

The Pacifica Foothills Trail Run is a scenic trail running event held at San Pedro Valley County Park in Pacifica, California, nestled in the coastal foothills and northern spur of the Santa Cruz Mountains. The race offers three distances: 10K, Half Marathon, and 30K, all on moderately technical dir..

Trailquake is a trail running event held at Sanborn Park in Saratoga, California, featuring 5K, 10K, and half marathon distances. Participants run through scenic redwood and pine forests along the San Andreas Trail, experiencing breathtaking single-track trails and challenging ascents to peaks with..

Run for Amma is an annual trail running event held at Skyline Ridge Open Space Preserve near Los Gatos, California. The race offers three distance options: 10K, 30K, and 50K, featuring challenging elevation gains of approximately 980, 3,629, and 5,266 feet respectively. The course showcases scenic t..

The Calero Trail Run - Spring is a trail running event held at Calero County Park in San Jose, California, featuring multiple race distances including a Kids Run, 5K, 10K, 15K, half marathon, 25K, marathon, and 50K. The course offers challenging single tracks, hills, dirt paths, and scenic vistas, m..

The Sonoma Coast Trail Runs, organized by SkyBreaker Racing, is an exciting running event set in the stunning landscapes of Sonoma Coast State Park, California. Participants can choose from various race distances, including a 50K, Trail Marathon, 30K, and Half Marathon. The courses feature beautiful..

The Wildcat Half Marathon, held in El Sobrante, California, offers a challenging trail running experience through Wildcat Canyon Regional Park. Participants can choose from a half marathon, 10K, or 5K race, all featuring spectacular 360-degree views of the Bay Area, including sights of San Francisco..

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 views of Lake Chabot, Mt. Diablo, and the San Francisco Bay.The Half Marathon course is a h..

The Cinderella Trail Run is an exciting running event taking place in Oakland, California, featuring a variety of race distances including a Half Marathon, Marathon, 8K, 30K, 50K, and a free Kid's Run for children aged 6 and under. Set in the scenic Joaquin Miller and Redwood Regional parks, partici..

The Mississippi Bar Trail Run, hosted by the Fair Oaks Recreation & Park District, is an annual trail running event held in Fair Oaks, California, along the scenic north shore of Lake Natoma. The event features 5K and 10K race options through wetlands, oak-studded bluffs, and single-track trails wit..

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, held at China Camp State Park in San Rafael, California, offers 5K, 10K, and half marathon distances. Set in a historic area once home to a Chinese shrimp-fishing village, the race features scenic single-track trails with views of Mt. Tamalpais, San Pablo Bay, and San Franc..

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 free community running event held in San Francisco, California, celebrating local trail running culture. Organized by UltraSignup, this one-day festival features a social group run with options of 3.2 or 4.5 miles, welcoming all paces and encouraging participants to..