Trail Running Calendar California 2025-2026

Enjoy coastal redwoods and river crossings in Santa Cruz at the San Lorenzo River Trail Run, with distances from 10K to 50K and a free kids run. Pre registered runners get shirts and all finishers earn custom medals.

Take on the Mt. Baldy 5000, a scenic, mostly uphill mountain 5K at Mt Baldy Resort that tests your legs and rewards you with great views. Celebrate at the Top of the Notch with BBQ, live music and a relaxing chairlift ride back.

Harding Hustle is a scenic but rugged trail run in Cleveland National Forest near Modjeska Canyon offering 50K, 30K and 15K on jeep roads with big climbs. Aid stations, chip timing and post race food make it a summer must.

Tough Mugu is a scenic trail run in Point Mugu State Park, Malibu with 25k and 10k courses featuring coastal ridges, single track and Channel Islands views. Expect chip timing, finisher medals, race shirts and cash prizes.

Run Hot to Trot at Griffith Park on Saturday July 18 2026, with 5k, 10k, 15k and half marathon options on scenic shared dirt trails around Crystal Springs. Enjoy aid stations, custom finisher medals, free photos and post race snacks in a fr..

Tackle rugged singletrack in the northern Sierra Nevada at the Lost Sierra Endurance Race near Downieville on July 25, 2026. Choose 25K, 50K, or 100K for big climbs, scenic descents, and fully stocked aid stations.

Run under a full moon on the scenic Elder Creek Night Runs near Anza, California, with a 4.6 mile loop through manzanita, rock formations and Cahuilla Mountain views. Limited to 200 runners, multiple loop distances from 9 miles to 50K.

Run a scenic 50K, 30K or 10K on the peaceful Great Shasta Rail Trail with inspiring views of Mt Shasta and surrounding forests. Enjoy a flat out and back course, generous cutoff and strong aid while supporting the trail and its preservation..

Run the legendary Badwater 135, a 135 mile nonstop ultramarathon from Death Valley to Whitney Portal, July 27 to 29, 2026. Limited to invited athletes and requiring a support crew, this iconic race tests endurance across scorching desert fl..

Join the SoCal Summer evening 6K or 12K at Lower Arroyo Park in Pasadena on July 31 2026 and celebrate after with tacos and drinks. Scenic park routes and friendly vibes make this a perfect summer night run.

Run a 5K, 10K or Half Marathon around scenic Green Valley Lake, tackling a lake loop and a challenging climb to forest viewpoints on mixed paved and dirt roads. Enjoy post race festivities while supporting The Children’s Forest.

Riley Park Trail Races on August 1, 2026 at Thomas F Riley Wilderness Park feature a 3.3 mile loop with distances from 5k to 30k plus a 6 hour challenge. Every finisher receives a race shirt and medal and the course welcomes all paces.

Run a scenic loop from Lake Chabot Marina through East Bay Regional Parks with 50K and half marathon options. Enjoy staffed aid stations, race shirt, Skyline socks and a finisher medal on this well supported trail event.

Take on the Ely Mountain Trail Race at Balsam Forebay, Shaver Lake with 8K or 14K over rugged granite and big climbs. Field limited to 250 with finisher medals, shirts and a Strava King and Queen challenge.

Join the SAR Wild Run at scenic Shaver Lake to support Fresno County Search And Rescue. Pick a half marathon, 10k, 5k, 2 mile hike or virtual entry and tackle trails through meadows, forests and streams before a festive postrace BBQ and awa..

Experience the Bulldog Ultra at Malibu Creek State Park on August 15, 2026, with scenic single track and big climbs through the Santa Monica Mountains. Pick new 3 loop 75k, a 50k or 25k, with aid stations, prize money plus food and beer.

Run among towering redwoods in Oakland with distances from 5 mile to 50K and a kids dash. Free parking, pre registered runners get a shirt and all finishers receive a medal; aid stations support the longer routes.

Tanri Lake Race on August 29, 2026 in Miramonte CA features three person relays, a 10 hour individual endurance challenge, and a lakeside 10K on a scenic 6000 foot loop. Registration includes a Tanri hat and Friday evening dinner.

Run through towering redwoods on scenic single track trails at SPASM Crystal Springs Trail Run in Woodside, with distances from 8K to 50K and a kids dash. Stocked aid stations, finisher medals and shirts for early registrants.

Run the rugged Noble Canyon Trail Races in Pine Valley, CA, choosing a challenging 50K or lively 15K through rocky climbs, ridgelines and pine forests. Expect scenic views, technical singletrack and spirited aid station support.