Trail Running calendar near Los Angeles 2025-2026

The Crystal Cove Trail Run is a premier running event set in the scenic Crystal Cove State Park, Laguna Beach, California. Participants can choose from three distances: the challenging 15k, which includes steep climbs and technical sections like the Rock Garden and Elevator, the 6k, and a fun 1k for..

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 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..