Trail Running calendar near Pioneertown 2026-2027

Experience a fun mud filled course at Bates Nut Farm featuring waist deep mud pits and a dozen unique obstacles. This untimed event is perfect for those looking to run crawl and slide through the mud followed by a post race party.

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 race on a flat, one-mile dirt and grass loop at a private ranch in Riverside. Options run from 3-hour events to a 100-mile race, with camping, relay teams, and event awards.

A multi-day trail weekend in Big Bear Lake on June 12–14, 2026 featuring a three-day TransRockies stage race plus single-day Holcomb Valley races from 5 to 33 miles, published elevation profiles, and specific entry and refund policies.

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 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.

An uphill one mile race at Snow Summit in Big Bear Lake with a 1,000 foot climb starting at 7,000 feet. The 10th annual edition on August 15, 2026 supports Big Bear High School cross country.

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 features 5K and 10K obstacle courses at Bear Mountain in Big Bear Lake, CA, with finisher medals, shirts, headbands and spectator and group options.

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 historic point to point 100 mile ultramarathon through the San Gabriel Mountains from Wrightwood to Altadena with about 21,610 feet of climb. Entry for 2026 was by lottery with qualifier and trail work requirements.

Experience a 9.1 mile mountain race at Mt Baldy featuring nearly 4000 feet of vertical gain. High altitude trails lead participants to the 10064 foot summit for a true alpine test in the Angeles National Forest.

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 in Cleveland National Forest with 30K, 50K, and 50 Mile options over remote, rough terrain; staffed aid stations, mandatory self-sufficiency, and specific crew and pacer rules.