Trail Running calendar near Yucca Valley 2026-2027

A two-day Spartan Trifecta Weekend at Big Bear Mountain Resort featuring Sprint, Super and Beast obstacle races at high altitude with long climbs and descents; kids races and spectator access are also available.

O'Neill Park Trail Races take place May 16, 2026 in O'Neill Regional Park, using trails in Trabuco and Live Oak Canyons. The route passes coast live oak and sycamore stands and chaparral hillsides; parking requires a five dollar fee.

A 10 km high altitude trail race at Snow Summit near Big Bear on May 17 2026. The route follows singletrack through pine forest with technical climbs and a three hour finish cutoff.

A multi-distance loop ultrarun at a private ranch in Riverside, CA, featuring one-mile laps, timed solo and relay options, free on-site camping, and awards for distance milestones over Memorial Day weekend.

An unsanctioned, route-choice run in Chino Hills on June 6, 2026 covering more than 4 miles over gravel and trail. Runners navigate four checkpoints on an open course and compete for cash prizes.

A three day TransRockies style stage race and single day trail races in Big Bear Lake on June 12 to 14, 2026, featuring distances from 5 to 33 miles with substantial elevation gain and courses pending USFS approval.

A mountain 5k up Mt Baldy Resort with about 1,500 feet of ascent to the Notch, followed by a BBQ, bar and live music at the finish. Runners can return by lift and dogs are not allowed on the lifts.

Harding Hustle on July 18, 2026 in Silverado CA offers 50K, 30K and 15K trail races on the Harding Truck Trail through the Santa Ana Mountains, with substantial climbing, stocked aid stations and shuttle access for participants.

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.

Experience a scenic mountain race through the pine forests of the San Bernardino National Forest. Run alongside the lake and onto forest trails with distances including a 5k, 10k, and Half Marathon.

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.

A one mile uphill race at Snow Summit in Big Bear Lake with a 1,000 foot climb starting near 7,000 feet elevation. The event raises funds for Big Bear High School cross-country through the BBHS Bear Backers 501(c)(3).

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.

An obstacle course event at Bear Mountain on September 12, 2026 with 5K and 10K options featuring multiple named obstacles. Finishers receive medals, a shirt, a headband, and a finisher drink while spectator and group options are available.

A Spartan obstacle weekend at Lake Elsinore Raceway features Sprint 5K, Super 10K, kids races, and multi-hour Hurricane Heat events on rugged, open terrain near a large natural freshwater lake.

A trail event in San Marcos with a 10K, a not-timed 5K Fun Run, and a Kids Trail Trot that climbs to Double Peak summit; finishers receive wooden medals and shirts for the adult distances.

An annual 100 mile trail race through the San Gabriel back country in the Angeles National Forest, held since 1986. The 2026 edition uses a revised course with start and finish in Altadena and is a Western States and UTMB qualifying race.

A 9.1 mile mountain trail race at Mt Baldy on October 3, 2026, featuring 3,926 feet of vertical gain. Multiple divisions offer gear and cash prizes, timing with a disposable chip, and the event is capped at 700 entries.

A two day trail festival in Big Bear Lake, California featuring five distances and varied terrain around the lake. The 2026 event is the UTMB World Series Americas Major and serves as a dual qualifier for UTMB Finals and Western States.

Trail races of 50 Mile, 50K and 30K through Cleveland National Forest near Silverado CA on remote forest roads with significant climbing, staffed aid stations, drop bag support, and specific crew and pacer rules.