Trail Running Calendar California 2025-2026

We have found 242 Trailruns in California. Check below where and when you can find the races.

Join the Springville Apple Run on October 17, 2026 in Springville CA for trail 5K, 10K, 2 Mile Walk and a kids run during the Apple Festival. Scenic Sierra foothill trails and family friendly fun make this a beloved community tradition.

Run Upper Bidwell Park in Chico at the Fleet Feet Fall Classic Trail. Choose a hilly half marathon with a scenic downhill finish or the looped 4 mile endurance challenge with creek crossings and repeatable laps.

Experience scenic singletrack and natural terrain at Hahamongna Watershed Park in Pasadena with options for a trail half marathon, 10K, or 5K on Sunday, October 18, 2026. Perfect for trail runners seeking a challenging yet runnable course.

Challenge yourself on scenic trails at the Caspers Trail Races in Caspers Wilderness Park on October 24, 2026. Choose distances 10k to 50k and enjoy rugged singletrack, supportive aid stations and a festive finish line.

Push your limits at the Wildwood Canyon Trail Run, an 8 hour timed event in Yucaipa on a scenic 3.7 mile loop with about 600 feet gain per lap. Aid stations, live bluegrass and a brewery afterparty add festival fun.

Join The Rubicon, an informal fatass group run deep in the Sierra Nevada around Oxbow Reservoir. Choose from progressive 15 mile, 30 mile or 43 mile routes across on and off trail terrain with big climbs and water crossings.

Machete Muertos 200 at Lake Perris CA, Oct 28 to Nov 1 2026, is a multi distance trail festival from a scenic 10 mile loop to a rugged 200 mile ultramarathon. Expect technical terrain, huge elevation gain, a 20 mile ruck division and campgr..

November 2026

The Rancho Ramble Trail Run will take place in Santa Margarita on Sunday 1 November 2026. You can run between 10 and 50 kilometers.

Run scenic, rugged trails in Cleveland National Forest at the Saddleback Marathon in Silverado on November 7 2026. Choose marathon, new 25k, half or 10K courses with big climbs and sweeping canyon views, racing out of Black Star Canyon for..

Join the 25th Rio 100 and 5th Rio 50K at Beals Point in Granite Bay on November 7 and 8, 2026. Scenic Folsom Lake and Johnny Cash Trail routes, strong on course support, and festive food and beer create an unforgettable endurance weekend.

Join the 23rd annual Tulare Santa Fe Trail A Thon 5k Run/Walk on November 7 at Live Oak Park to support the Tulare Sunrise Rotary scholarship fund. All finishers get a commemorative medal and top runners receive trophies and gift cards.

Enjoy a scenic but hilly trail run at Huddart Park with distances from 3 mile to half marathon, plus a 6 hour challenge and youth dash. Stay for pancakes after the race and choose a virtual option for 5K, 10K or half marathon.

Run the unique empty Kaweah Lake bottom in Three Rivers CA. Choose 5k or 10K, snag a finisher tee and wood medal, enjoy post race food and music, and support St Anthony Retreat.

Run the scenic Catalina Island trail through Avalon, past the historic Wrigley Mansion and up to summit vistas over the Pacific. Choose a challenging half marathon, a hilly 10K, a kids fun run, or tackle the Triple Crown challenge.

December 2026

Run the Enviro Sports northern California trail series, from short trail jaunts to full marathons across Big Sur, Mount Tam, Napa and Angel Island. Experience coastal views, redwood forests and wine country trails for every pace.

January 2027

Tackle the iconic Backbone Trail Ultra in the Santa Monica Mountains: a rugged 68 mile route with about 13,600 feet of climbing and a scenic finish on the Ray Miller Trail. Solo runners with 50 mile experience or teams of 2 to 4 can enter;..