Trail Running calendar near Sacramento 2025-2026

The Double Dipsea is a challenging 13.7-mile trail race held annually at Stinson Beach, California, celebrating its 55th edition in 2025. The course follows the legendary Dipsea Trail from Stinson Beach to Mill Valley and back, featuring steep hills, numerous stairs, and stunning scenic views. Known..

The Trail Run at Sly Park - Summer is a scenic trail running event held at the Sly Park Recreation Area in Pollock Pines, California, within the El Dorado National Forest. The race offers multiple distances including 5K, 10K, 8 Mile, Half Marathon, 17 Mile, Trail Marathon, and a 50K ultra. Courses w..

The Mammoth Bar Trail Runs, hosted by Skybreaker Racing, is a new trail running event held in the Mammoth Bar OHV Area within Auburn State Recreation Area, Auburn, California. Scheduled for September 7, 2025, the event features three race distances: a half marathon, 10K, and 5K. The courses are know..

The Diablo Trail Run, held at Diablo State Park in Clayton, California, offers a variety of trail running events including 4-mile, 10-mile, half marathon, marathon, 50K, and a free kids' 50-yard dash for children six and under. The courses feature scenic mountainous terrain with spectacular views of..

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 technical dirt trails, fire roads, and some asphalt sections. The course showcases sha..

The Gold Rush Growler Trail Runs, held at Granite Beach in Folsom Lake State Recreation Area, feature scenic 10-mile and 5K trail races along shoreline and single-track trails. The 10-mile course includes paved park roads, secret trails, and varied terrain with aid stations offering water, electroly..

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 Sunset & Cider Trail Races, held in Auburn, California's scenic American River Canyon, offer three trail running distances: 50K, 13 miles, and 5 miles. The courses feature mostly runnable single-track trails with some short neighborhood road sections and varying elevation gains—3,875 ft for the..

The Star City San Bruno Mountain Half Marathon & 5K, held in Brisbane, California, offers a scenic trail running experience with spectacular views of the Pacific Ocean, San Francisco Bay, and the city skyline. The half marathon course is 93% trail, featuring 2,400 feet of elevation gain and a thrill..

The Reservoir Dogs Trail Run in Orinda, CA, offers 10K, Half Marathon, and 35K distances around the scenic Briones and San Pablo Reservoirs on East Bay Municipal Utility District (EBMUD) trails. This event features a mix of rolling fire roads, tree-covered single-track, and open views of watershed l..

The Auburn Half Marathon, held in Auburn, California—known as the Endurance Capital of the World™—is a trail running event featuring a half marathon, 12K, and 5K distances. The race starts at Overlook Park and courses through the scenic Auburn State Recreation Area, including more than half the rout..

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..

Yuba Gold Trail Runs take place near Nevada City, California, in the scenic gold country region. The event offers multiple distances including a 50K, 35K, and half marathon, all featuring beautiful views of the South Fork Yuba River and the historic Malakoff Diggins hydraulic mining site. The start..

The Mile Madness Endurance Run is a multi-day ultrarunning event held at Sunset Whitney Recreation Area in Rocklin, California. The course is a professionally measured 1.05-mile loop featuring 85% dirt trail and 15% paved path, with about 62 feet of elevation gain per lap. Runners can choose from va..

Granite Head 2025 is a trail running event held in Granite Bay, California, featuring two challenging courses: a 6.6-mile short course and an 11.2-mile long course. Both races start and finish at Granite Beach, offering scenic trail running experiences. Participants receive a unique tech shirt and e..

The Euchre Bar Massacre is a challenging fatass-style trail run held near Foresthill, California, starting and finishing at Shirttail Creek Campground. It offers two distances: a 25-mile course with approximately 10,000 feet of climbing and a 50-mile course with about 20,000 feet of elevation gain...

Go Wild Marin 4 Hr is an adventurous trail and wilderness scramble held on the Tiburon Peninsula in Corte Madera, California. Participants compete individually or in teams of up to five, navigating a custom map to locate as many as 24 checkpoints scattered across trails and wild areas within a four-..

The Napa Lapa Trail Adventure, hosted by Inside Trail Racing, is a unique time-based trail running event held at Skyline Wilderness Park in Napa, California. Instead of racing a fixed distance, participants run as far as possible within 3, 6, or 12-hour time limits on a challenging 4.16-mile loop fe..

The John Lawson Tamalpa Challenge is a cross-country running event held annually at China Camp State Park in San Rafael, California. The 2025 edition features three races, each approximately 4.2 miles long, primarily on rolling single-track trails with a short stretch on asphalt. The event honors Jo..