Trail Running calendar near Walnut Creek 2025-2026

We have found 112 Trailruns within 80 miles of Walnut Creek. See below where and when you can find the races.

The No Foolin' Foot Race, organized by the Parks and Recreation Foundation of San Carlos, invites participants to explore the scenic trails of San Carlos in its third annual event. Runners can choose between a challenging 5k and 10k course, featuring significant elevation gains, or a 1-mile course f..

The Brown's Ravine Half & Full Marathon is an exciting running event taking place in Folsom, California, on April 26, 2025. The race features a scenic course that is 95% single track and 5% dirt road, running alongside the picturesque Folsom Lake. Participants can choose between a half marathon, whi..

May 2025

The Miwok 100K is a renowned trail ultramarathon celebrated for its stunning scenery and challenging course, featuring 11,800 feet of elevation gain. Set in the picturesque Stinson Beach area, participants enjoy breathtaking views of San Francisco, the Golden Gate Bridge, and the surrounding natural..

The Folsom Lake Trail Run, scheduled for May 3, 2025, at Browns Ravine Marina in Folsom, CA, offers a scenic experience for runners of all levels. Participants can choose from four distances: 10K, Half Marathon, 35K, and 50K, all set along the picturesque lakeside trails. The course features an out-..

The Hacienda Hills Trail Run - Spring is an exciting trail running event set in the scenic Almaden Quicksilver County Park near San Jose, California. Scheduled for May 3, 2025, this event features nine different race distances, including a 50K, Trail Marathon, 30K, Half Marathon, 9 Mile, 10K, 5K, Mi..

The Angwin to Angwish Trail Run is a scenic running event set in the beautiful Napa Valley, specifically at Pacific Union College. Scheduled for May 4, 2025, the event features three race distances: a 1 Mile Kids Run, a 10K, and a challenging 26K course. This family-friendly event encourages partici..

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 an exciting running event taking place at Point Pinole Regional Shoreline Park in San Pablo, California. Participants can choose from three race distances: a half marathon, 10K, and 5K, making it suitable for runners of all levels. The event celebrates the park's transformation f..

The Quicksilver Endurance Runs, taking place in San Jose, CA, features both 50K and 100K races on scenic, hilly trails. Celebrating its 40th edition, the event offers participants a chance to run through beautiful oak forests and meadows, with stunning views of the Santa Clara Valley and Santa Cruz..

The Stinson Beach/Muir Woods Marathon is a challenging trail running event set to take place on May 10, 2025. Celebrating its 35th annual edition, participants can choose from a marathon, half marathon, or a 7-mile race. The course features scenic trails through the iconic Muir Woods, including stee..

The 13 Mile Trail Race Top Down is a half marathon event taking place in San Jose, California, on May 17, 2025. The race features a scenic course that traverses two beautiful parks: Almaden Quicksilver Park and Sierra Azul Open Space Preserve. Participants will be transported to the starting point a..

Trailquake 2025 is an exciting running event taking place in Sanborn Park, Saratoga, California, featuring a half marathon, 10K, and 5K races. Participants will enjoy beautiful trails through redwoods and pines, with options suitable for runners and walkers of all levels. The event promises breathta..

The Napa Wilderness Trail Runs, organized by Bay Trailrunners, takes place at Skyline Wilderness Park in Napa, California. This event caters to all levels of trail runners, offering a variety of distances including a 40-mile ultra marathon, 50K, 30K, half marathon, and 10K. The courses feature sceni..

Run for Amma is an annual charity running event held in Los Gatos, California, aimed at raising funds and awareness for cancer research. The event features three race distances: 50K, 30K, and 10K, with all registration proceeds benefiting the UCSF Julia Carnevale Lab. Participants can enjoy scenic t..

The Placer Trail Running Festival, scheduled for May 17, 2025, at Granite Beach in Granite Bay, CA, offers a variety of trail running events suitable for all skill levels. Participants can choose from distances including 25K, 10K, 5K, and a 5K Canicross, all set against the scenic backdrop of Folsom..

The Pacifica Foothills Trail Run, scheduled for May 17, 2025, takes place in San Pedro Valley Park, Pacifica, CA, offering a scenic coastal mountain environment. Participants can choose from three distances: 10K, Half Marathon, and 30K, all set on the park's dirt trails. The event features a profess..

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 Sonoma Coast Trail Runs, organized by SkyBreaker Racing, is a scenic running event set in the stunning Sonoma Coast State Park in Northern California. Participants can choose from various distances, including a 50K, Trail Marathon, 30K, and Half Marathon, all featuring breathtaking views of the..

The Wildcat Half Marathon, organized by Brazen Racing, is set to take place on May 31, 2025, in El Sobrante, California. This event features a Half Marathon, 10K, and 5K, all set within the scenic Wildcat Canyon Regional Park, offering breathtaking views of the Bay Area. The race is designed for all..

June 2025

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..