Trail Running calendar near Fullerton 2026-2027

Choose your challenge on the rugged trails of Woodland Hills. The Las Virgenes Canyon Ultra Trail Races offer six distances, from a 6K to a new 100K ultra. Enjoy fully supported aid stations and a festive post-race atmosphere.

Tackle the Shadow Strike Unsanctioned Run in Chino Hills, a 4+ mile all terrain challenge across trails, gravel and open streets. No clocks, just navigation to checkpoints and cash prizes for top finishers and random participants.

A 13.5-mile trail race on fire roads and single track in Limestone Canyon with 2,719 feet of elevation gain, two aid stations, cupless policy, and limited packet pickup options.

Join the 14th annual Aut2Run for Autism on April 26, 2026 at Cal State University Channel Islands. Choose from a 15K, 10K trail race, 5K, 1 mile, or a Fun-K for kids and adults with special needs. Every step supports the Autism Society Vent..

The Northeast Trail 5K offers a run or walk on the trails of Griffith Park. This fourth annual event supports youth programs and features custom medals for the first 500 participants. Awards recognize the top three male and female finishers..

Trails n Vines Wine Run takes runners through the scenic vineyards of Orfila Winery in Escondido. Choose from 3, 6, or 9-mile trail distances and enjoy wine tastings after the race. Participation is limited to 400 runners.

This trail race in Santa Clarita's historic Placerita Canyon offers a wide range of distances, from a 5K to a 120K ultramarathon. The course travels through the golden hills of the East Walker Ranch Open Space, featuring singletrack trails..

An annual 10K trail event in Glendale with a climb to 2,536 feet and panoramic views of the L.A. Basin and San Gabriel Mountains. Produced by the City of Glendale and benefiting the Glendale Parks and Open Space Foundation.

Challenge yourself on the scenic trails of Crystal Cove State Park. Choose from 5K, 25K, or 50K distances with hill climbs and ocean views. Your run supports the John Wayne Cancer Foundation's fight against cancer.

The O'Neill Park Trail Races offer a range of distances on the trails in South Orange County. Join the event in Trabuco Canyon on May 16, 2026.

Run along the iconic LA River Path in Canoga Park with a fun, 80s martial arts theme. Choose from a 5K, 10K, or half marathon, or join virtually. Expect themed music, costumes, and a finisher's medal.

This 10 km trail run takes place in Big Bear, California, featuring scenic but technical mountain trails at high altitude. It is scheduled for May 17, 2026, and is part of a Spartan festival weekend.

Nanny Goat is a family-friendly timed run on a flat, one-mile loop at a private horse ranch in Riverside. Choose from solo 3 to 24 hour races, a 100 miler, or a 24 hour relay. The event offers free camping, swimming, and a medal for every p..

Event Date & Course The Mount Wilson Trail Race is scheduled for May 23, 2026. The full course is 8.6 miles long. It starts and finishes at Kersting Court in Sierra Madre. The route goes up the Mount Wilson Trail to Orchard Camp and ret..

Return to Hahamongna Watershed Park on May 24, 2026 for a day of team relays and solo challenges. Choose a 50 km relay with teams of up to five, a solo 50 km ultra, or a 10 km fun run amid scenic Pasadena trails.

The Forever Brave event in Valencia offers four distances on an easy-to-follow loop course. Runners receive custom medals, free photos, and post-race snacks. It's a community-focused race with options for everyone.

A 5k trail run at Black Star Canyon in Silverado, California, with mixed fire road and single track, 390 ft elevation gain, one aid station, a cupless policy, and pre-run access restricted to authorized days.

Event Information The Pacifico Ultra is a trail running event taking place on May 30, 2026, in the Angeles National Forest near Palmdale, California. It features a 50k Ultra and a Half-Marathon (21k Trail) distance. Courses The event offers..

The Hills Are Alive 10K Run takes place on scenic bridle trails in Rolling Hills Estates. All participants get a t-shirt and medal, with trophies for the first-place winners. Registration opens in February 2026.

The Malibu Canyon Trail Races offer five distances on the trails of Point Mugu State Park in Malibu. Choose from a 100K, 50 mile, 50K, 30K, or half marathon challenge.