Trail Running calendar near Agoura Hills 2025-2026

No Name 5025 is an exciting running event held in Cheesebro Canyon, featuring a challenging 50k ultramarathon, a 25k trail run, and a 10k trail run suitable for all levels. Participants will experience diverse terrain, including runnable ascents, winding singletracks, steep fire road climbs, and smo..

The SPACEROCK Trail Race, set for October 18, 2025, takes place at the iconic Vasquez Rocks Natural Park in Southern California. This event offers a variety of race distances, including a Half Marathon+, 15K, 10K, and 5K, catering to runners of all skill levels. Participants can enjoy the stunning l..

The Pasadena Trail Half Marathon is a premier running event hosted by Pasadena Running Company, featuring challenging routes that showcase the scenic trails of Pasadena. Scheduled for October 19, 2025, this event includes three distance options: a Half Marathon, 10K, and 5K, catering to runners of a..

The Twilight's Last Gleaming Cross Country Challenge will take place in Ventura on Saturday 25 October 2025.

The Catalina Island Half-Marathon & 10K is a premier trail running event set in the picturesque town of Avalon, California. Participants can choose between a challenging 13.1-mile half-marathon or a scenic 6.2-mile 10K course. The race features stunning ocean views, historic landmarks like the Wrigl..

The 4 Mile Hill Challenge is an exciting running event scheduled for November 15, 2025, at the Audubon Center at Debs Park in Los Angeles, CA. This event features a scenic 4-mile course that includes rolling hills and all-trail paths, making it suitable for participants of all skill levels, from beg..

Caspers Trail Races, set to take place in San Juan Capistrano, CA, features a variety of trail running events including a 10K, half marathon, 30K, marathon, and 50K. Organized by KH Races, the event promises well-supported and clearly marked courses, along with appealing race swag for participants...

The Ray Miller 50/50 is an exciting running event taking place in Point Mugu State Park, Malibu, CA. Participants can choose from three challenging distances: a 50 Miler, a 50K, and a 30K, catering to various skill levels and preferences. This event promises a scenic and adventurous experience, set..

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 loss of 2860 feet, making it suitable for experienced runner..

The Crystal Cove Trail Run is a premier running event set in the scenic Crystal Cove State Park, Laguna Beach, California. Participants can choose between a challenging 15k and a 6k course, both featuring fire road climbs, ridgeline descents, and thrilling single track trails. The 15k route includes..

The Paramount Ranch Trail Runs is an exciting running event scheduled for December 2025 in Agoura Hills, California. Participants can choose from various distances, including a 50K, marathon, 30K, half marathon, and 10K, catering to runners of all levels. The event promises a scenic experience on th..

The Sean O'Brien 100K is a premier trail running event taking place in Calabasas, California, featuring multiple race distances including 100K, 50 miles, 50K, a marathon (26.2 miles), and 30K. This event is recognized as a qualifier for the prestigious Western States 100. Participants can expect sce..

The Santa Barbara Nine Trails is a trail running event organized by AllWeDoIsRun, set against the stunning backdrop of California's Central Coast. Participants can choose between two distances: a challenging 35-mile course and a shorter 17-mile option. This event is designed for runners of various s..

The Nine Trails 35 Mile Endurance Run is a challenging trail running event organized by AllWeDoIsRun, set in the scenic landscapes of Santa Barbara, California. This endurance run is designed for experienced runners looking to test their limits over a 35-mile course, alongside a shorter 17-mile opti..

The Nanny Goat event, now postponed to May 23-24, 2026, is a unique running experience held at a private horse ranch in Riverside, CA. Participants can choose from various race formats, including 6-hour, 12-hour, 24-hour, and a 100-mile challenge, with the goal of completing as many laps as possible..