Trail Running calendar near Big Bear 2026-2027

Celebrate Thanksgiving morning with a scenic 5K or 10K run along Huntington Beach to fund clean water projects for communities in need around the world.

A 28k trail run in Fremont Canyon at Irvine Regional Park featuring about 3800 feet of elevation change and four aid stations. The course runs on fire roads, is cupless, and participants are asked to carry personal hydration.

A last person standing race in Yucaipa, CA, where runners complete 4.16-mile loops until only one remains. The event, scheduled for December 2026, features a Krampus-themed challenge of endurance.

A trail race at Crystal Cove State Park offering 15K, 6K and a Kids 1k with marked single track, aid stations and a $2,000 15K prize purse. The event includes shirts, finisher medals, free photography and post-race amenities.

Experience an obstacle course race in a mountain rimmed valley at Lake Perris. Choose from 5K, 10K, or 21K distances on a flat and fast course within the rugged wilderness of the Greater Los Angeles area.

An obstacle mud run at Lake Elsinore Raceway on March 20, 2027 offering multiple course options, finisher rewards, spectator access, and volunteer and group opportunities.