Trail Running calendar near Big Bear 2026-2027

A multi format running event on the Cahuilla Indian Reservation in Anza, California, featuring loop ultraruns, fixed time races, a half marathon and a Tribal Member 5k. Funds raised support the tribe youth and family programs; 100 mile fini..

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.

A trail running event at Caspers Wilderness Park on October 24, 2026, offering 10k, half marathon, 35k, marathon and 50k courses. Courses are described as marked and supported, with an athlete guide and past results available.

An 8-hour timed trail run on a 3.7 mile loop with about 600 feet of climb per loop at Wildwood Canyon State Park in Yucaipa on October 24, 2026. Aid stations and vendors are onsite and an after party is held at Hops and Spokes Brewery.

The Machete Muertos 200 is a multi-day ultramarathon at Lake Perris, featuring distances from 10 to 200 miles. The event offers a free campground and is themed around the Dia de Los Muertos celebration.

A trail event in Silverado, California, offering marathon, 25k, half, and 10K courses routed out of Black Star Canyon with significant elevation gain and multiple aid stations.

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.

Trail races at Crystal Cove State Park with 6k, 15k and a Kids 1k course near the beach. The 15k includes technical features and a $2,000 prize purse, with aid stations stocked by Skratch Labs.