Trail Running calendar near Sacramento 2025-2026

The Euchre Bar Massacre is a challenging running event taking place in Foresthill, CA, featuring 25 and 50-mile courses along the scenic North Fork of the American River. Participants can expect significant elevation gains, with approximately 10,000 feet for the 25-mile route and 20,000 feet for the..

The California Gold Rush Trail Run - Fall is an exciting running event taking place at the historic Marshall Gold Discovery State Historic Park in Coloma, California. Scheduled for October 18, 2025, participants can choose from various distances, including a Kids Run, 1 Mile, 5K, 10K, 15K, and Half..

The Willow Hills XC is an annual cross-country race organized by the Buffalo Chips Running Club, taking place at the scenic Willow Hill Reservoir near Folsom High School. Celebrating its 15th year, this event features a challenging 5k course consisting of two loops over rolling hills. Participants c..

The California Fall Classic at Lake Sonoma features two challenging ultra-distance races: a 100K and a 55K, set against the stunning backdrop of wine country. Scheduled for October 18, 2025, this event is ideal for runners seeking a late-season challenge or a chance to qualify for the Western States..

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..

The Napa Fall Wine Country Marathon is a scenic running event taking place in Bothe-Napa Valley State Park, California, on October 25, 2025. This 33rd annual marathon features a challenging course with lush trails, hills, and streams, making it a rewarding experience for participants. The event incl..

The Trail Run at Sly Park in Pollock Pines, California, offers a scenic and challenging experience for runners of all levels. Held at the Sly Park Recreation Area, the event features multiple distances, including 5K, 10K, 8 miles, half marathon, 17 miles, trail marathon, and 50K ultra. The course wi..

The Oakland Hills Trail Run is a scenic race set in Redwood Regional Park near Oakland, California, featuring distances of 10K, half marathon, and 35K. The course traverses technical dirt trails, fire roads, and challenging hills amid a lush redwood forest, with opportunities to spot wildlife such a..

The Rio Del Lago 100 Mile Endurance Run is a premier ultramarathon event taking place in the scenic Sierra Foothills of California. Scheduled for November 1, 2025, this challenging race starts at Beal's Point and features a diverse course that includes trails, paved paths, and stunning views of Fols..

The Oakland Tech 5km Fundraiser Race and 1 Mile Fun Run/Walk is set to take place at Joaquin Miller Park, supporting the Oakland Tech Cross Country and Track Team. This event features a scenic 5K trail run and a 1-mile fun run/walk, designed to cater to both competitive runners and leisurely partici..

The NorCal Backyard Ultra is an endurance running event held at Beals Point in Granite Bay, California, from November 7-10, 2025. It features two main races: the Last Person Standing, where participants run a 4.2-mile loop every hour until only one remains, and the Mini Last Person Standing, a 24-ho..

The Lake Chabot Trail Run is a diverse running event taking place at Lake Chabot Regional Park in Castro Valley, California. Scheduled for November 8, 2025, it features multiple race distances including a 50K, Marathon, 30K, Half Marathon, 8K, and a free Kid's Run for children aged 6 and under. The..

The Mt. Tam Trail Run, organized by Inside Trail Racing, offers challenging trail races including 10K, Half Marathon, 30K, and 50K courses through Mt. Tamalpais State Park near Stinson Beach, California.The event features scenic, technical trails with significant elevation gains, starting early in t..

The Falcon Crest Winter Trail Challenge is a scenic trail running event held in El Dorado Hills, California. Participants can choose from various distances, including 5K, 10K, 15K, half marathon, 30K, and a full trail marathon. The race takes place on fast, technical single-track trails with rolling..

The Golden Gate Trail Classic will take place in San Francisco from Saturday 22 November 2025 to Sunday 23 November 2025. You can run between 15 and 50 miles.

The Darrington Single Track Trail Challenge is a trail running event held near Pilot Hill, California, featuring multiple race distances including a 36-mile, 18-mile, 10K, and 5K. Participants will run along scenic dirt paths along the shores of Folsom Lake, navigating challenging hills and enjoying..

The Quad Dipsea will take place in Mill Valley on Saturday 29 November 2025.

The Quarry Turkey Half Marathon is a family-friendly running event taking place on November 29, 2025, at Quarry Lakes Regional Park in Fremont, California. Participants can choose from a half marathon, 10K, or 5K race, along with a free Little Turkeys Race for children. The event encourages Thanksgi..

The ZombieRunner Quarry Lakes event is a running competition held at the scenic Quarry Lakes Regional Recreation Area in Fremont, California. Participants can choose from various distances, including a 5K, 10K, Half Marathon, 30K, and Marathon, along with youth categories and a free Kid's Run. The c..

The Hunter S. Thompson Fear & Loathing is an annual ultramarathon held in San Francisco, California, on December 7th. The event features a 50K and a 50-mile race, primarily run on city streets with some trail options, showcasing a challenging course with a total elevation gain and descent of 3,600 f..