Trail Running Calendar California 2025-2026

The Silver Moon Race: Kings River is an endurance running event held in Reedley, California, featuring scenic courses through farms, vineyards, fruit orchards, oak tree canopies, and along the Kings River. Runners can choose from various distances including a 12K, 6, 12, or 24-hour timed races, and..

The Nature Made Great Race is an annual running event held in Agoura Hills, California, near Los Angeles. Celebrating over 40 years, it features multiple race distances including the Chesebro Half Marathon, Old Agoura 10K, Deena Kastor 5K, and a 1-mile fun run. The half marathon course offers scenic..

Run With The Burros is a unique trail running event held annually on the second Saturday of April in Inyokern, California, near Highway 14 and Indian Wells Canyon Road. The race offers four distances: 5, 10, 18, and 26.2 miles, with participants having the option to run with or without a donkey, com..

The Napa Valley Endurance Run is a challenging trail running event held in Calistoga, California, starting and finishing at the Calistoga Fairgrounds. It offers four race distances: 50k, 35k, half-marathon, and 10k, all traversing scenic and rugged terrain through Robert Louis Stevenson State Park a..

The Leona Divide is a challenging trail running event held in Lake Hughes, California, at The Lakes Community Center. It offers multiple race distances including 30K, 50K, 50-mile, 100K, and 100-mile options, with the 100K and 100-mile races serving as Western States 100 qualifiers. The course featu..

The Outlands Endurance Race, held at Peninsula Campground in Pilot Hill, California, offers challenging trail running distances of 25K, 50K, and 50 miles. Set along the rugged, scenic trails bordering Folsom Lake, the course features a mix of singletrack and double-wide trails with significant eleva..

Badwater Salton Sea is a challenging team ultra running event held in Southern California, covering 81 miles (130 km) from Salton City, below sea level, to Palomar Mountain at 5,500 feet elevation. The course traverses desert and mountain terrain, including eight miles of steep single-track trail th..

The Canyons Endurance Runs will take place in Auburn from Friday 24 April 2026 to Saturday 25 April 2026. You can run between 25 and 161 kilometers.

Coyote 2 Moon is a trail running event held in the scenic mountain ranges of Ojai, California. It offers a variety of race distances ranging from 6 miles up to an impressive 100 miles, catering to runners of all levels. The event is known for its inclusive, diverse, and fun community atmosphere, wit..

The Dingneng Wang event, held in San Diego, CA, is a marathon taking place on May 2, 2026, at Los Penasquitos Canyon Trail. Formerly known as the PQ & GZ Trail Marathon, it was renamed to honor Dingneng Wang, a beloved runner and outdoor enthusiast. This unique event is not a race and offers no offi..

The Boney Mountain Trail Run is a scenic trail running event held in the Santa Monica Mountains, starting at Rancho Sierra Vista | Satwiwa National Park in Newbury Park, California. It features a challenging half-marathon course that includes creek crossings, single-track climbs, and stunning ocean..

The Napa Wilderness Trail Runs, held at Skyline Wilderness Park in Napa, California, offer a variety of trail running distances including 10K, 21K (half marathon), 30K, and a challenging 50K ultra marathon. The courses feature scenic routes with steep climbs, notably the Rim Rock Trail, providing st..

The Rim Rock 50 Mile Trail Challenge is an inaugural ultramarathon held in Napa Valley, California, centered at Skyline Wilderness Park. The race features a challenging 50-mile solo course or a 50-mile relay for teams of two, traversing rugged trails through Skyline Wilderness Park, Napa Open Space..

Run for Amma is an annual charity running event held at Skyline Ridge Open Space Preserve in Los Gatos, California, supporting UCSF cancer research. Celebrating its 15th anniversary, the event offers three race distances: a challenging 50K with 5,266 feet of elevation gain, a 30K with 3,629 feet of..

The Gorgonio View Trail Run takes place at Big Bear Mountain Resort's Snow Summit in Big Bear Lake, California. This scenic 10K trail race offers runners the chance to explore picturesque singletrack trails winding through high-altitude pine forests. The course features a mix of smooth paths and cha..

The Nanny Goat race, hosted at a private horse ranch in Riverside, California, offers a unique ultrarunning experience featuring distances of 6, 12, 24 hours, a 100-mile solo race, and a 24-hour relay for teams up to four runners. The course is a flat, one-mile loop on mostly dirt and grass with goo..

The Saddleback Marathon, held in Silverado, California, is a premier trail running event set in the scenic Saddleback Mountains within the Cleveland National Forest. Offering marathon, half marathon, and 10K distances, the race features challenging courses with significant elevation gains—4,244 feet..