Trail Running Calendar California 2026-2027

Trail marathon and shorter distances on November 7, 2026 in Silverado, CA, routed out of Black Star Canyon after campground closures. Courses follow Black Star Canyon into Mariposa Reserve with substantial elevation gain.

Event Details The Rio Del Lago 100 Mile Endurance Run is a trail race held on Saturday, November 7, 2026, starting at Beal's Point in Folsom Lake State Recreation Area, within the Sierra Foothills of California. Course Information The 100-m..

Join the 23rd annual 5k run and walk on the Santa Fe Trail in Tulare. Support local high school scholarships while competing for age group medals and overall trophies at Live Oak Park.

Trail races at Huddart Park with multiple distances, a 6 Hour loop option, cupless aid stations, volunteer credits, customizable swag choices, and a post-race pancake breakfast.

Experience a scenic trail run around the Lake Chabot reservoir and hills. With distances from a 50 yard kids dash to a 50K ultramarathon there is an option for everyone at this Castro Valley event.

Trail races run from Stinson Beach to Mt. Tam on November 7, 2026, with distances from 10K to a 50K that has an 8.5 hour time limit. Awards, finisher medals, aid stations, and post-race food are provided.

A November trail event at Rancho Cañada del Oro offering distances from 5K to 50K, with steep climbs, single track and two main aid stations. Runners should carry water and be aware of exposed terrain and rattlesnakes.

A multi-distance Spartan weekend at Santa Margarita Ranch featuring trail and vineyard terrain, obstacle counts for each race from 5K to 50K, a kids race, workshop, and spectator access.

Central California Spartan Trifecta Weekend at Santa Margarita Ranch on Nov 7 to 8 2026 offers obstacle races from a 5 km Sprint to a 50 km Ultra set among vineyards and the Los Padres National Forest. Spectator access and an obstacle works..

A six hour timed running and walking event around Lake Miramar on a paved 5 mile loop with chip timing, four aid stations, permanent quarter mile markers, participant awards and a postrace lunch.

Rancho Ramble Trail Run at Santa Margarita Ranch offers 10K, half marathon and 50K races over soft, hilly trails with changing terrain. The event is part of a Spartan OCR festival weekend and features Central Coast scenery.

A second annual trail run along the empty Kaweah Lake Bottom in Three Rivers, California with 5K and 10K options, race amenities, and proceeds supporting St. Anthony Retreat Center.

Run through the historic streets of Avalon and the rugged interior trails of Catalina Island. Choose between a half marathon, 10K, or kids fun run featuring stunning Pacific Ocean views and island landmarks.

The Pacific Trails California by UTMB will take place in Lake Los Carneros from Saturday 14 November 2026 to Sunday 15 November 2026.

Live Oak Odyssey is a fixed time trail running event at O'Neill Regional Park offering 3, 6 and 8 hour looped runs on a roughly 2.75 mile loop with about 500 feet of elevation gain per loop and a main aid station.

Experience a flat and fast trail race through the scenic Quarry Lakes Regional Recreation Area in Fremont. Choose from a USATF certified half marathon, 10K, or 5K while enjoying views along the Alameda Creek Trail.

Navigate the redwood forests and meadows of Santa Cruz in this 2 or 4 hour map based adventure scramble. Explore the wilds in teams of up to five while hunting for 20 unique checkpoints.

A trail event in Yucaipa, California on November 14, 2026 offering 21, 10 and 4 mile routes through the Crafton Hills, with notable elevation gain and 10 percent of fees donated to local conservation.

A multi-distance trail event in the El Dorado Hills foothills offering routes from 5K to a trail marathon on mostly single-track dirt with rolling hills, aid stations, drop-bag service, and a creek crossing.

Roosters Backyard Ultra returns to Rohr Park in Chula Vista on November 14, 2026. The backyard ultra uses repeated laps on a smooth firm trail with a gentle hill, allows dogs and offers car camping with pop up tents on the fields.