Trail Running calendar near Santa Monica Mountains 2026-2027

A multi-format trail event at Sand Creek Ranch near Los Olivos, CA featuring a 3.4 mile loop with about 400 ft of gain per lap, on-course aid, free camping, and awards including souvenir gear and buckle prizes for 100 mile finishers.

A historic point to point 100 mile ultramarathon through the San Gabriel Mountains from Wrightwood to Altadena with about 21,610 feet of climb. Entry for 2026 was by lottery with qualifier and trail work requirements.

Experience a 9.1 mile mountain race at Mt Baldy featuring nearly 4000 feet of vertical gain. High altitude trails lead participants to the 10064 foot summit for a true alpine test in the Angeles National Forest.

A loop-based endurance event on Malibu's Chumash Trail with a 3-mile loop and about 1,250 ft gain per loop. It offers two divisions including X HEAVY with escalating weight and uses the motto "Every loop heavier. Every loop harder. Only one..

Run a scenic 5K on the shaded, groomed horse trails of Palos Verdes Peninsula. The event supports Strides in Recovery, a nonprofit helping people in addiction treatment through running. Participants receive a medal, t-shirt, and can enjoy a..

Experience remote mountain running in the Cleveland National Forest with three distances featuring significant elevation and coastal views. The event offers well supported aid stations and serves as a qualifier for the Angeles Crest 100.

A trail race at Vasquez Rocks Natural Area Park on October 17, 2026 offering Half Marathon+, 15K, 10K and 5K looped courses over rocky single track, a 500 foot tunnel on the Pacific Crest Trail, multiple aid stations, and finisher swag.

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.

Trail races in Chesebro Canyon near Agoura, CA featuring a 50k, a half marathon and a 5k on varied singletrack and fire road terrain with aid stations, finisher medals and post-race food.

A multi distance trail event on the Gaviota Coast near Santa Barbara, with routes to Gaviota Peak and ridgelines. Distances range from 12 kilometers to 100 miles and proceeds support local trail maintenance.

Celebrate Halloween with a timed trail run at Crystal Cove State Park in Laguna Beach. Choose between a 4 hour or 6 hour endurance challenge set against a scenic coastal backdrop.

Trail races in Silverado, CA run out of Black Star Canyon with a marathon, a new 25k, a half marathon and a 10K. Routes follow creekside trails, switchbacks and ridge sections with multiple aid stations.

Experience a premier trail running event on Catalina Island featuring a half marathon, 10K, and kids run through the rugged interior and scenic hillsides of Avalon.

The Pacific Trails California by UTMB will take place in Lake Los Carneros from Saturday 14 November 2026 to Sunday 15 November 2026.

Experience an obstacle course race at Oak Canyon Park featuring a 5 km course with over 15 obstacles and a Mini Monkey Run for kids. Enjoy a festive atmosphere with music, food, and free spectator access.

A Thanksgiving tradition in Santa Clarita Central Park. Choose between a hilly 5K cross country course or a 1K event for younger participants. Proceeds benefit local youth track and field programs.

A Thanksgiving morning trail event in the Santa Monica Mountains near Reseda offering a half marathon, 10k and 5k on fire roads and singletrack. Half marathon winners receive $500 each and entries include medals and race photography.

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.

Ray Miller 50/50 is a trail race at Point Mugu State Park in Malibu on December 5, 2026 offering 50 Miler, 50K and 30K distances. Registration opens April 1, 2026 at 6:00 AM PT and last year it sold out in a day.

Trail races at Crystal Cove State Park in Laguna Beach offering 15K, 6K and a Kids 1K loop. The El Moro 15K features technical trail sections and a $2,000 prize purse, with shirts, finisher medals, free photos and post-race amenities.