Trail Running calendar near Barstow 2025-2026

Explore the historic Calico Ghost Town and Calico Mountains on Sunday January 25, 2026 with 50K and 30K trail options. A USATF sanctioned trail run supporting desert education and community outreach amid rugged mining era scenery.

Run through an active limestone quarry at the Cemex Quarry Quest 5K in Rialto, where rugged terrain and towering industrial equipment create a thrilling backdrop. Enjoy a memorable race while supporting cancer awareness and fundraising.

Run with the Burros in Inyokern CA mixes classic pack burro racing with trail running across desert terrain, raising funds for local animal charities. Choose from marathon to 5 mile distances and race solo or paired with a burro.

Explore scenic trails at Diamond Valley Lake during Bedrock Valley Trail Runs, a weekend of trail races and gravel bike courses. Chip timed and cupless so bring your own hydration, with finisher shirts and medals for finishers.

Run the Natro Noli trail race on Soboba Reservation in San Jacinto CA with marathon, half, 5k and kids 3k on scenic rugged single track. Limited to 100 runners and raising funds for a Noli student scholarship, with shirts and awards.

Machete Trail Madness 100k at Lake Perris on April 25, 2026 offers 10k, 50k and 100k trail races on very technical terrain with steep climbs and stunning lake views. Camp at the start, enjoy aid stations and free race photos.

Race the 10K Spartan Trail at Big Bear on May 17, 2026, across technical singletrack in high altitude pine forest with sweeping Southern Sierra views. The weekend includes Spartan obstacle races and a GOVX service member discount.

Nanny Goat is a Memorial Day weekend multi distance ultrarun at a Riverside horse ranch where you run timed laps on a flat 1 mile loop. Camping, family friendly amenities and medals for every runner who completes at least one lap.

Run scenic mountain trails in the Angeles National Forest near Palmdale with 50k and half marathon options. Expect technical singletrack, big elevation and full race services including finisher medals, aid stations and finish line tacos.

Take on the Mt. Baldy 5000, a scenic, mostly uphill mountain 5K at Mt Baldy Resort that tests your legs and rewards you with great views. Celebrate at the Top of the Notch with BBQ, live music and a relaxing chairlift ride back.

Run a 5K, 10K or Half Marathon around scenic Green Valley Lake, tackling a lake loop and a challenging climb to forest viewpoints on mixed paved and dirt roads. Enjoy post race festivities while supporting The Children’s Forest.

The Angeles Crest 100 is a classic 100 mile point to point mountain ultramarathon across the San Gabriel Mountains with over 21,000 feet of climbing. Held Oct 3, 2026 from Wrightwood to Altadena, entry is by lottery.

Test your limits at SPACEROCK in Vasquez Rocks on October 17, 2026 with looped trail options from 5K to a Half Marathon+ just under 14 miles and 3,200 feet of climbing. Expect rocky single track, a 500 foot Black Hole tunnel and cupless aid..

Push your limits at the Wildwood Canyon Trail Run, an 8 hour timed event in Yucaipa on a scenic 3.7 mile loop with about 600 feet gain per lap. Aid stations, live bluegrass and a brewery afterparty add festival fun.

Machete Muertos 200 at Lake Perris CA, Oct 28 to Nov 1 2026, is a multi distance trail festival from a scenic 10 mile loop to a rugged 200 mile ultramarathon. Expect technical terrain, huge elevation gain, a 20 mile ruck division and campgr..