Trail Running calendar near Santa Monica Mountains 2026-2027

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.

A multi-distance running event at California State University Channel Islands with in-person and virtual options. Proceeds support Autism Society Ventura County and programs for individuals and families on the autism spectrum.

This 5K run and walk supports the Northeast Division Youth Programs. The event takes place at Griffith Park in Los Angeles, with awards for top finishers and custom medals for the first 500 participants.

A multi distance trail running event May 1 to 3, 2026 in Los Padres National Forest near Ojai, CA. Races range from 10K to 100 miles with large elevation gain, limited to 150 entries and subject to strict qualifying and refund rules.

A trail event in Santa Clarita on May 2, 2026, offering distances from 5K to 120K plus 6 hour, 12 hour, and 24 hour timed categories and team relay options.

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.

A trail run at Crystal Cove State Park on May 9, 2026 offering 50K, 25K and 5K distances with ocean views, aid for finishers, podium awards, and proceeds benefiting the John Wayne Cancer Foundation.

Born To Run Ultra Marathon Extravaganza takes place in Los Olivos, CA on May 16, 2026 and offers distances from 10 miles up to 100 miles plus three day and four day formats. Registration opens December 1, 2025.

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.

The Mount Wilson Trail Race returns May 23, 2026 with an 8.6 mile out and back from Kersting Court to Orchard Camp, plus a children's Fun Run; the event supports volunteer trail repair through the Fletcher Trail Maintenance Fund.

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.

Forever Brave at West Creek Park in Valencia CA on May 24, 2026 invites runners from 5k to half marathon on scenic looped trails with aid stations each lap. Finishers get custom medals, free photos, snacks, and fast posted results.

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.

A trail race in the Angeles National Forest offering a 50k, half marathon and 21k route across technical singletrack and ridgelines, with aid stations, finish-line food and massage, awards, and shuttle-served parking.

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.

Trail races near Malibu, CA on June 6, 2026, offering distances from a half marathon to 100k over single track and fire road in the Santa Monica Mountains. Registration is open through June 1, 2026.

The inaugural Fullerton Fit 5K Trail Run offers a scenic dirt trail course through the Brea Dam area. The event also includes a Health & Wellness Fair with local vendors and food trucks. Registration includes a shirt, medal, and other race..

A trail relay and 8K at the Lower Old Zoo in Griffith Park on June 7, 2026, offering chip timing, finisher medals, three aid stations, DJs and food trucks.

Phoenix Rising at Griffith Park in Los Angeles on June 13, 2026 offers 5k, 10k, 15k and half marathon trail friendly courses. Enjoy a marked dirt trail, aid station, finisher medal and free photos in a lively community race.

Run through scenic trails at the Old Zoo Half Marathon. Choose from a relatively flat half marathon or 12K course, starting and finishing at the historic Old Los Angeles Zoo. All finishers receive a custom elephant-themed medal.