Trail Running calendar near Big Bear 2026-2027

We have found 33 Trailruns within 80 miles of Big Bear. See below where and when you can find the races.

Night trail running under a full moon on Cahuilla Band land near Anza, California, with scenic single track, rocky views, and manzanita lined loops. Choose distances up to 50K on a looped course with limited entries for an intimate race.

Join the SoCal Summer evening 6K or 12K at Lower Arroyo Park in Pasadena on July 31 2026 and celebrate after with tacos and drinks. Scenic park routes and friendly vibes make this a perfect summer night run.

August 2026

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.

Hit the trails at Riley Park Trail Races on August 1, 2026 in Coto de Caza, CA, with looped courses from 5K to 30K and a 6 hour timed option. Every finisher gets a race shirt and medal, plus athlete guides and convenient bib pickup.

October 2026

Tackle the legendary Angeles Crest 100 mile endurance run through the San Gabriel Mountains, a classic point to point ultramarathon. Expect big climbs, high alpine ridges and epic views on October 3, 2026.

UTMB Index

That's No Moon Trail Races run through remote single track and jeep trails in the Cleveland National Forest near Silverado, CA, offering 50 Mile, 50K and 30K options. Expect steep climbs, technical ridgelines and a true test of trail grit.

Run the Cahuilla Rez Ultra in Anza California with distances from a tribal 5k to a 100 mile and 6 hour, 12 hour and 24 hour loop events on a runnable two mile dirt course. Camp on site and support the Cahuilla Youth and Family Committee.

Experience scenic singletrack and natural terrain at Hahamongna Watershed Park in Pasadena with options for a trail half marathon, 10K, or 5K on Sunday, October 18, 2026. Perfect for trail runners seeking a challenging yet runnable course.

Tackle scenic singletrack at Caspers Wilderness Park in San Juan Capistrano on October 24, 2026. Choose from 10k, half marathon, 35k, marathon, or 50k for a day of trails, views, and strong community vibes.

Test your endurance on scenic Wildwood Canyon in an 8 hour timed loop run, climb, repeat and see how many loops you can complete. Enjoy aid stations, live bluegrass, local vendors and a postrace gathering at a nearby brewery.

Machete Muertos 200 at Lake Perris offers multiple ultramarathon and ruck options across scenic lake loops, with camping available and free pro photos. Tackle the epic 200 mile course with about 44,000 feet of gain and a 96 hour cutoff.

November 2026

Experience rugged trails and canyon views at the Saddleback Marathon in Silverado CA on Nov 7. Choose from 10K, half, 25k or marathon routes with big climbs and aid stations. Register by Nov 5.