Trail Running calendar near Yucaipa 2026-2027

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.

Trail races on the Harding Truck Trail in the Santa Ana Mountains offering 50K, 30K and 15K courses with significant elevation gain, aid stations, required shuttle access and typically hot July conditions.

Hot to Trot offers 5k, 10k, 15k and a half marathon in Griffith Park on July 18, 2026. Routes run on a hard packed dirt horse trail with an aid station at the turnaround and free parking at Crystal Springs Picnic Area.

A Better World Running presents Rockin' Summer at Whittier Narrows on July 19, 2026 with 5k, 10k, 15k and half marathon options on marked park loops, featuring aid station support, finisher medals, photos, live results, and on-site registra..

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.

Aztlan XC Classic is a 5K event in Elysian Park, Los Angeles on July 25, 2026, with youth and adult race categories and differing registration options. Proceeds support the Aztlan Athletics Foundation's camps and scholarships.

A free, social, non-competitive trail group run on July 25, 2026 in Newport Coast, CA. The route is about 6.5 miles with roughly 1,000 feet of gain on hilly, rocky trails; participants should have trail experience and bring hydration.

An evening trail event in Pasadena's Lower Arroyo Park offering 6K and 12K routes with chip timing and aid stations. The finish includes tacos and drinks and runners receive a commemorative shirt and wooden medal.

Trail and road races at Green Valley Lake offering 5K, 10K and half marathon distances with mixed paved and dirt terrain, aid stations about every 1.5 miles, chip timing and post-race activities at the Community Garden.

A 5K run or walk with a 282 step climb at Baldwin Hills Scenic Overlook in Culver City that benefits the Aztlan Athletics Foundation. Registration runs from 10/10/2025 to 12/31/2025 with a $45 fee.

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.

The 21st Annual Martha Walker Wild Duck is a 5 km cross country race at Guajome Regional Park in Oceanside, California. It is the opening race of the 2026 Dirt Dogs XC Series and includes a race flyer and course maps.

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.

A free, untimed 3 mile trail run for the local trail community with a grab bag of vintage ERS swag, limited to 250 participants and held near the San Dieguito Lagoon on August 26, 2026.

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.

A community running event in Norwalk on September 5, 2026, held as the Higashi Roman Memorial Run and reflecting Cerritos's Dairy Valley history. Organized by Cerritos High School alumni, it offers in-person and virtual 3 mile options.

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 is an obstacle mud run at Bear Mountain near Big Bear Lake, California. It offers 10K and 5K courses, spectator and group options, named obstacles, finisher items and a Mudder Village pass.

A Stadion 5 km obstacle race with 20 obstacles at Angel Stadium of Anaheim on Sep 12, 2026, plus kids races and spectator tickets; the event lists an average finish time near 1 hour 32 minutes and a 4.8 rating from 40 testimonials.