Trail Running calendar near Yucca Valley 2026-2027

A 5k uphill race on the slopes of Mt. Baldy Resort that climbs about 1,500 feet to the Top of the Notch, with a finish area featuring a BBQ, bar, and live music and lift access back down for bib holders.

Harding Hustle is a trail running event in Cleveland National Forest offering 50K, 30K and 15K on the Harding Truck Trail. Courses include significant elevation gain, aid stations, shuttle access, and hot July conditions.

Experience a unique desert night run under the Full Buck Moon on a scenic looped course. Choose between distances ranging from 9 miles to a 50k ultramarathon through manzanita groves and single track trails.

Scenic 5K, 10K and half marathon in Green Valley Lake with lakefront sections, forest service roads, aid stations and chip timing. Proceeds support youth environmental programs and trail maintenance.

Experience trail running in Orange County with several race distances ranging from a 5k to a 6 hour timed challenge. Navigate a scenic 3.3 mile looped course with multiple early bib pickup options available.

## Conquer the Wall is an annual uphill running event at Snow Summit near Big Bear Lake. The one mile course rises about 1000 feet from a 7000 foot start and supports Big Bear High School cross country.

Dirt Circus Los Angeles is a one day community running festival on August 29, 2026 that pairs a four mile group trail run with an expo of brands, race directors, vendors, food, and a raffle.

The 61st Mt Baldy Run to the Top on September 7, 2026 is a fundraising mountain trail race in the Angeles National Forest covering about 7 miles with 4,000 feet of ascent to the 10,064 foot summit, with proceeds aiding local services.

Tough Mudder Big Bear on September 12, 2026 at Bear Mountain features 5K and 10K obstacle courses at high altitude, named obstacles, finisher medals and apparel, spectator passes, and options for volunteers and group packages.

A Spartan obstacle weekend at Lake Elsinore Raceway featuring Sprint 5K, Super 10K, kids races and Hurricane Heat formats. Expect rugged trails, mud, varied terrain and onsite spectator options.

A community running event in San Marcos on September 26, 2026 offering a 10K competitive race, a 5K fun run and a free kids trot, with race shirts, wooden medals and an on-site expo.

A 100 mile trail endurance run through the San Gabriel back country, scheduled for October 3, 2026 with a full course change and start and finish in Altadena. The race serves as a Western States and UTMB Index qualifier.

A 9.1 mile loop from the Mt Baldy ski area to the 10,064 ft summit of Mt San Antonio via exposed ridgeline and technical alpine trails, then back to the parking lot. The race is capped at 500 runners.

A two-day mountain trail festival in Big Bear Lake with five race distances, varied alpine and desert terrain, UTMB World Series Major status, and opportunities for qualification to major trail events.

Trail races of 50 miles, 50K and 30K in Cleveland National Forest near Silverado, CA, featuring remote forest roads, significant elevation gain and staffed aid stations. Mandatory self support rules include minimum water and required lights..

Ruff Run California on 10/17/2026 in Phelan, CA presents a 20 acre obstacle course for people and their dogs with over 20 obstacles, 4K and 1K options, and an after party with music, games and vendors.

A multi-distance event on the Cahuilla Indian Reservation in Anza, California with looped dirt roads, camping, hot food at aid stations, and proceeds supporting the tribe's youth programs.

Mountain trail event on October 17, 2026 offering 50K, marathon, and half marathon options that climb to Cuyamaca Peak on single track trails, with substantial elevation change and GPX course files available.

A 200 mile endurance run around San Diego County held in Escondido Oct 23 to 26, 2026. Runners have 82 hours to finish, must have crew support, and the field is limited to 24 experienced ultrarunners.

A trail event at Los Coyotes Reservation on October 23-24, 2026 offering a 3.1-mile Yellow Loop and timed 6H and 24H ultra options across desert and alpine trails, with on-site camping, food trucks, and festival amenities.