Trail Running calendar near Brea 2026-2027

A free community festival by UltraSignup in Los Angeles featuring a group trail run with 5K and 10K options, an expo with vendors, food, and a raffle. The event is held at A Snail's Pace Running Shop in Chino Hills.

This premier trail race ascends 7+ miles from 6,000 feet to the 10,064-foot summit of Mt. Baldy on Labor Day. It includes a shirt, a finisher medal, and four aid stations, with a required 3.5-mile hike back after the finish.

Run into the sunset at Griffith Park. Choose from a 10-mile team relay, a scenic 5K solo race, or a kids' run. The event promises marked trails, panoramic city views, and a lively finish line atmosphere.

A trail event in Topanga on September 19, 2026 offering a 10k race and a non timed 4.5 mile Hiker's Delight through Red Rock Canyon with steep climbs, singletrack, aid stations, shuttled parking, and post race amenities.

This trail 5K takes place at Ascot Hills Park with views of the Hollywood Sign and Dodger Stadium. The chip-timed event benefits a local high school cadet program. A virtual race option is also available.

Take on the rugged 25K or 50K trail ultra at Mount Disappointment in the Angeles National Forest. The course starts at Mt. Wilson and features technical single track with significant elevation gain. Enjoy panoramic views on a fully marked r..

Trail running at Corriganville Park in Simi Valley with 50K, 30K and 15K routes through Rocky Peak, Las Lljas and Tapo Canyon. The event features varied terrain, aid stations, and a portion of proceeds benefiting the Challenged Athletes Fou..

A seaside themed run in Long Beach offering 5K, 10K, half marathon and family distances with chip timing, free race photos, finish line pizza and a costume contest.

Traverse the San Gabriel mountains on this classic point-to-point 100-mile course. As one of the original five U.S. 100-milers, it features rugged climbs and a historic route. Finishers earn a custom engraved plaque and a distinctive belt b..

Explore the scenic trails of Palos Verdes Peninsula on this 5K course that winds through shaded eucalyptus groves. Participants receive a custom medal and shirt, and the event supports Strides in Recovery. Group discounts and a team atmosph..

A set of trail races near Silverado, CA offering 50-mile, 50K and 30K courses on remote, technical 4x4 and single-track trails with significant elevation gain, aid stations, mandatory self-sufficiency, and cupless support.

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..

The Lake Hodges Trail Festival will take place in Del Dios from Saturday 17 October 2026 to Sunday 18 October 2026. You can run between 5 and 50 kilometers.

Run among the iconic rock formations at Vasquez Rocks Natural Park in Aqua Dulce on October 17, 2026. SPACEROCK Trail Race features 5K, 10K, 15K and half marathon routes on scenic trails for runners of all abilities.

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 200 mile circumnavigation of San Diego County across coastal, urban, mountain and desert terrain with an 82 hour cutoff. Field limited to 24 experienced ultrarunners, crews are required and entry is $750 plus fees.

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.

No Name Trail Races in Cheeseboro Canyon near Agoura, California feature a 50k, a half marathon, and a 5k over varied singletrack and fire road terrain, with stocked aid stations, same day results, finisher medals, and post race amenities.

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.