Trail Running calendar near Big Bear Lake 2026-2027

We have found 53 Trailruns within 80 miles of Big Bear Lake. See below where and when you can find the races.

Run rugged trails through the restored Calico Ghost Town and Calico Mountains in a scenic 30K or 50K. USATF sanctioned, it blends Mojave Desert history with off road trails and runs Jan 25, 2026.

Run or hike to the iconic Hollywood Sign through scenic Griffith Park, with 8M, 8K, 5K and a kids 2.2K option. Enjoy skyline views, chip timing, finisher medal and post race refreshments in a true LA outdoor experience.

Run or hike through Griffith Park to the iconic Hollywood Sign on out and back courses ranging from a kids run to 8 miles. Enjoy skyline views, chip timing, aid stations and a finisher medal.

February 2026

Run scenic, rolling trails through Escondido's Daley Ranch with a rugged 50K two loop challenge or a single loop half marathon. Both races start and finish at Dixon Lake with stocked aid stations and SoCal Ultra Series points.

Celebrate Valentine’s Day with a scenic trail run in Griffith Park Los Angeles. Choose from 5k, 10k, 15k or half marathon loops and enjoy aid stations, a finisher medal, free photos and post race snacks.

Trail race in San Pasqual Valley with 20 mile, half marathon and 10K options; the longer courses summit Raptor Ridge twice and most of the terrain is single track. Finish line features a free wine tasting with local vineyards.

Run rolling trails at Debs Park in the 4 Mile Hill Challenge, with a scenic 4 mile route, a spirited 2K youth climb and a green earth celebration. Note the event is currently listed as postponed.

March 2026

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.

Explore oak and chaparral trails in the Santa Ana foothills at the Whiting Ranch Trail Races. Choose 6k, 10k, half marathon or 30k, enjoy marked, supported courses, event swag, and a post race beer from Docent Brewing.

A rugged high desert half marathon and 10K in Pioneertown with views of the Sawtooth Mountains. Proceeds support the John Wayne Cancer Foundation and entries include chip timing, aid stations, a finisher mug and a finisher shirt.

The Griffith Park Trail Marathon will take place in Los Feliz on Saturday 28 March 2026. You can run between 10 and 50 kilometers.

April 2026

Challenge yourself at the Billy Goat Mountain Climb on April 4, 2026 in Cleveland National Forest near Silverado CA. Choose the 17 Miler Silverado Loop, Half Marathon or 10K and tackle rugged trails with big climbs and creekside scenery.

Hit the trails at Crystal Cove for Rock It in El Moro Canyon on April 4, 2026, choose a scenic 6K or challenging 10 Miler with climbs, descents and Pacific Ocean views. Run or hike, and enjoy a shirt, race photos and a finisher medal.

Hoppy Easter invites runners to tackle 5k, 10k, 15k and half marathon routes through Griffith Park, Los Angeles on April 4, 2026. Enjoy scenic trails, a custom finisher medal, free photos and snacks for a festive spring run.

Trail runs and gravel rides at Diamond Valley Lake Marina in Hemet CA on April 11–12, 2026, with multiple distances for adults and kids, a stroller-only 5k, cupless aid stations, and finisher shirts and medals for marked run events.

Badwater Salton Sea is an epic 81 mile team ultra from the Salton Sea to Palomar Mountain, gaining over 9,000 feet across desert roads and single track. Teams of two or three run together through extreme heat and wildly variable conditions.

Take on rugged single track and sandy climbs at the Annual NATRO@NOLI Indian School Trail Races in San Jacinto, CA. Marathon, Half, 5k and Kids 3k distances, limited spots, with proceeds supporting Noli Indian School.

Machete Trail Madness at Lake Perris on April 25, 2026 offers 10K, 50K and 100K trail options over rugged lakeside loops. Camp with the group, use staffed aid and grab free pro photos of your effort.

Tackle the Shadow Strike Unsanctioned Run in Chino Hills, a 4+ mile all terrain challenge across trails, gravel and open streets. No clocks, just navigation to checkpoints and cash prizes for top finishers and random participants.

May 2026

A trail run at Crystal Cove State Park on May 9, 2026 offering 50K, 25K and 5K distances with ocean views, aid for finishers, podium awards, and proceeds benefiting the John Wayne Cancer Foundation.