Trail Running calendar near Calabasas 2025-2026

The Rock It in Chino Hills 5K & 10K is a trail running and hiking event held at Chino Hills State Park in Brea, California. Participants can choose between a 5K or 10K course that showcases the park's stunning and expansive trails, offering..

Challenge yourself on rolling oak and canyon trails at Live Oak Odyssey in O'Neill Regional Park, Trabuco Canyon. Choose a 3 hour or 6 hour fixed time run on a scenic loop with single track, aid station treats, and a friendly trail vibe.

Race of Legends XC is a cross-country running event held in Los Angeles, California (zip 90065). The race offers a 5K Run, described on the organizer’s site as a "People's race," suggesting an inclusive, community vibe. The event takes plac..

Run the dramatic trails of Vasquez Rocks in the SPACEROCK Trail Race, choose from 5K to a rugged 14 mile course with over 3,200 feet of climbing. Expect rocky single track, aid stations, a finisher shirt and medal.

Run through the scenic Pasadena foothills on October 19 with 5K, 10K or Half Marathon options over varied trails and climbs. Enjoy chip timing, aid stations, post race goodies and a festive trail vibe.

Twilight's Last Gleaming Cross Country Challenge is a rare evening cross-country race held in Ventura, California. Now in its 40th year, it takes place on the last Saturday in October, except Halloween when it will be a week earlier. The co..

No Name is an ultra trail race hosted by SoCalTrail, held in Cheeseboro Canyon at Cheeseboro National Park near Agoura, California. The event offers three distances: a 50k, a Half-Marathon, and a 5k trail run. The course weaves through dive..

Tackle scenic singletrack and steep climbs at the No Name Trail Races in Chesebro Canyon, Agoura CA on October 25, 2025. Choose from a 50k, half marathon or 5k and celebrate with tacos, a beer garden and post race awards.

The Santa Cruz Island Eco-Extreme Trail Half Marathon is a challenging 13.3-mile trail race held on Santa Cruz Island in Channel Islands National Park, California. Organized by the Ventura County Sheriff's Search and Rescue Upper Ojai Team,..

Caspers Trail Races in San Juan Capistrano on Oct 25, 2025 offers scenic trail courses with options for every level. The race is sold out but a waitlist is open; expect marked routes, course support and event swag for finishers.

Event overview OC Trail Runners Group Run takes place on Saturday, October 25, 2025 in Newport Coast, California. The run is free, social and non-competitive, described as slower-paced and take-it-easy. The stated goal is to spend time outd..

Monster Dash : Irvine, October 26, 2025 The event takes place at Bill Barber Memorial Park in Irvine on Sunday, October 26, 2025. Distances offered: 5k 10k 15k Half marathon Course, rules and logistics The course is an open route on a sha..

Race through iconic Griffith Park on single track trails up to the Hollywood sign, with distances from 10K to 50K to suit all trail runners. Expect stunning city views, well stocked aid stations, and a welcoming morning race atmosphere.

Santa Clarita Trail Race is a golden-trail running event held in East Walker Ranch on Placerita Canyon Road, Santa Clarita, CA. Brought to you by New Global Adventures, it offers four distances: 5K, 10K, Half Marathon, and 28K. The race win..

Run the scenic Catalina Island half marathon or 10K, winding from Avalon into island hills with ocean views and a summit above the Wrigley Memorial. Family friendly with a kids fun run and a Triple Crown challenge for avid runners.

Celebrate the 10th annual Chino Hills Trail Run Series Fall at Chino Hills State Park with challenging 30K and 50K trail routes that support the Discovery Center. Scenic single track, aid stations, and community spirit await.

The 4 Mile Hill Challenge is a rolling, all-trail race held at Debs Park in Los Angeles, with the Audubon Center at Debs Park serving as the start and finish. The event features a 4-mile run/walk/hike and a Run4Paws (Love Your Pet) division..

Event details Ray Miller 50/50 is scheduled for Saturday, December 6, 2025, at Point Mugu State Park in Malibu, CA. The event listing states the 2025 edition is sold out. A waitlist is maintained and the listing indicates waitlisted entrant..

The Fremont Canyon 28k Trail Run is an exciting running event taking place in Irvine Regional Park, Orange, California. Scheduled for December 6, 2025, this challenging 28k (17.5 miles) course features fire roads with an elevation gain and..

Mulholland Under the Stars Trail Race The event takes place on Saturday, December 13, 2025, at Marvin Braude Mulholland Gateway Park in Tarzana, CA, with the start and finish at the trailhead lot. It is a night trail race run on fire roads..