Trail Running calendar near Folsom 2025-2026

The Mammoth Bar Trail Runs, organized by Skybreaker Racing, is a new trail running event set to take place in Auburn, California, on September 7, 2025. Participants can choose from three race distances: a Half Marathon, 10K, and 5K. The event features scenic single-track and double-track trails with..

XTERRA Lake Tahoe is an exciting off-road triathlon event set in the stunning scenery of Lake Tahoe, USA. Scheduled for September 13, 2025, the event features a variety of races, including a full-distance triathlon, sprint triathlon, aquabike, and trail runs of 5K and 10K. Participants will experien..

The Gold Rush Growler Trail Runs feature a 10-mile and a 5K race, taking place at Granite Beach, Folsom Lake SRA. Participants can enjoy scenic courses along the shoreline and single-track trails. The event includes new courses for 2025, with awards for top finishers and age group categories.Each co..

The Rocky Ridge Trail Half Marathon is set to take place on September 20, 2025, at the scenic Las Trampas Wilderness in San Ramon, California. This challenging event features a half marathon, along with 10K and 5K options, catering to various skill levels. The half marathon is known for its rugged t..

The Sunset & Cider Trail Races, taking place in Auburn, CA, on September 27, 2025, offers an exciting opportunity for trail runners of all levels. Participants can choose from three race distances: a challenging 50K, a scenic 13-mile half marathon, or a 5-mile run. The event features beautiful trail..

The Auburn Half Marathon, scheduled for October 4, 2025, takes place in the historic town of Auburn, California, known as the "Endurance Capital of the World." This trail running event features a half marathon, 12K, and 5K, with courses that traverse the scenic Western States Trail and Auburn State..

The Reservoir Dogs Trail Run, taking place at the San Pablo Reservoir in Orinda, CA, features three race distances: 10K, Half Marathon, and 35K. This unique event allows participants to fully circumnavigate the scenic Briones Reservoir on trails typically reserved for permit-only access. Runners wil..

The Yuba Gold Trail Runs, set in the scenic gold country near Nevada City, CA, offers participants a choice of three distances: 50K, 35K, and a Half Marathon. The course features stunning views of the South Fork Yuba River and the historic Malakoff Diggins mining site. Early registration is availabl..

The Kokanee Trail Runs, a beloved event in the Lake Tahoe Basin, features a Half-Marathon, 5K, 10K, and a non-competitive Tadpole Trot for children. Set against the stunning backdrop of Fallen Leaf Lake, participants can enjoy scenic courses, unique finisher awards, and post-race refreshments. The e..

The Mile Madness Endurance Run is an exciting endurance event taking place from October 10-13, 2025, at the Sunset Whitney Recreation Area in Rocklin, CA. This unique race features a 1.05-mile loop course, primarily on dirt trails, allowing participants to choose from various timed challenges, inclu..

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 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 Gold Rush Trail Run - Fall takes place at the historic Marshall Gold Discovery State Historic Park in Coloma, California. This scenic event features various race distances, including a Kids Run, 1 Mile, 5K, 10K, 15K, and Half Marathon, all set against the backdrop of the site where go..

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 Trail Run at Sly Park, scheduled for October 25, 2025, offers a variety of race distances including 5K, 10K, 8 Mile, Half Marathon, 17 Mile, Trail Marathon, and 50K. Set in the scenic Sly Park Recreation Area in Pollock Pines, California, the course features rolling single-track trails around Je..

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

The NorCal Backyard Ultra is an endurance running event taking place at Folsom Lake’s Beals Point from November 7 to 10, 2025. This unique race format challenges participants to complete a 4.2-mile loop every hour until only one runner remains, with a separate Mini Last Person Standing event for tho..

The Falcon Crest Winter Trail Challenge is an exciting running event set in the scenic foothills of El Dorado Hills, California. Participants can choose from various distances, including 5K, 10K, 15K, Half Marathon, 30K, and a Trail Marathon, all featuring predominantly single-track trails with a mi..

The Darrington Single Track Trail Challenge is an exciting running event taking place in Pilot Hill, CA, featuring multiple race distances including a 36-mile, 18-mile, 10K, and 5K. Participants will enjoy scenic trails along the shores of Folsom Lake, characterized by rugged dirt paths and breathta..

The Folsom Lake Point to Point Trail Half Marathon is a scenic running event taking place in El Dorado Hills, CA, featuring a predominantly single-track trail that runs alongside the picturesque Folsom Lake. The course offers a mix of technical sections and gentle rolling hills, providing runners wi..