Trail Running calendar near Big Bear 2026-2027

The inaugural Fullerton Fit 5K Trail Run offers a scenic dirt trail course through the Brea Dam area. The event also includes a Health & Wellness Fair with local vendors and food trucks. Registration includes a shirt, medal, and other race..

The 30th annual Holcomb Valley Trail Run returns to Big Bear Lake in June 2026. The weekend features a multi-day stage race and single-day distances from 5 to 33 miles on mountain trails. Registration opens in January with early bird pricin..

The Orange Curtain Endurance Run in Cerritos offers a weekend of diverse distances, from a 10K to 100K and timed events. The flat, certified course on a bike path is a Boston qualifier for the marathon. The event features multiple aid stati..

Celebrate the legacy of Title IX in Yorba Linda. Run or walk a moderate 5K on the El Cajon Trail with the family, strollers, and dogs. After the race, visit the vendor fair and explore awards for various age groups.

A 5k trail run at Gypsum Canyon Wilderness on June 24, 2026 over fire roads and single track with about 350 ft of elevation gain. One aid station at mile 2.2 and a cupless race policy.

Experience a weekend of community and trail running in the Angeles National Forest. Challenge yourself to complete multiple laps of a scenic 4.16 mile loop over six hours while enjoying a supported camping experience.

The Mt. Baldy 5000 is a tough, scenic 5K uphill run at Mt. Baldy Resort. After finishing at the Top of the Notch, runners can enjoy a BBQ dinner and drinks before a chairlift ride back down. It's billed as a unique summer mountain party.

Into the Wild is a 5k trail run at Saddleback Wilderness on July 15, 2026, over fire roads and single track with 300 ft of elevation gain. Entry is limited to 150 runners and there is no race day registration.

The Harding Hustle offers 50K, 30K, and 15K trail races on the Harding Truck Trail in Orange County's Santa Ana Mountains. This cupless event features challenging climbs, descents, and is known for its heat. Parking is not allowed at the st..

Join this summer running event at Whittier Narrows Recreation Area featuring 5k, 10k, 15k, and Half Marathon distances. Enjoy a scenic loop course with finisher medals and snacks included for all participants.

Run under a full moon in the Anza desert. The event features four distances on a scenic 4.6-mile looped trail course. Participation is capped at 200 runners.

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.

A mountain 5K, 10K and half marathon around Green Valley Lake, CA, featuring mixed paved and dirt surfaces, multiple aid stations, chip timing, race awards, and proceeds benefiting The Children’s Forest.

Explore the trails at the Riley Park Trail Races in Orange County's Thomas F. Riley Wilderness Park. With distances from a 5k to a 30k and a 6-hour event, there's a trail run for various goals. All finishers receive a shirt and a medal.

Conquer a steep 1000 foot climb at Snow Summit during this unique one mile mountain race. Enjoy high altitude views at 7000 feet elevation and a free chairlift ride back to the base.

A 5k trail run at Red Rock Wilderness near Silverado, CA featuring fire roads and single track, 300 feet of climbing, one aid station, a cupless policy, and no pets allowed.

Experience an intense trail race through the Angeles National Forest to the summit of Mt Baldy. This historic mountain run climbs over 4000 feet to reach a finish line at an altitude of 10064 feet.

This 21 mile trail run near Yucaipa is postponed from September 2026. The challenging course features over 4,300 feet of climbing on Crafton Hills terrain, with aid station support.

Traverse technical single track through the Angeles National Forest on this historic mountain race. Choose between 25K and 50K distances starting from the iconic summit of Mount Wilson.

The 11th annual Double Peak Challenge features a 10K and 5K run from San Elijo Park up to the panoramic summit of Double Peak. A Kids Trail Trot offers a sprint for younger participants. All finishers receive a medal.