Trail Running calendar near Huntington Beach 2026-2027

Trail running event in Valencia, California on March 20, 2027, offering 10K, half marathon and 50K ultra courses with significant climbing, single-track sections, aid stations and chip timing.

Tough Mudder Los Angeles at Lake Elsinore Raceway on March 20, 2027 offers multiple course options including a 15K with 20 plus obstacles, a shorter 5 to 8 kilometer course, Infinity laps, spectator access, and group packages.

An annual trail event at Soboba featuring the first NATRO Marathon Championship plus a half marathon, 5k and kids 3k for ages 12 and under. Native and Open divisions, finisher awards, and proceeds benefit the Noli Indian School scholarship..

Coast to Crest in Del Mar offers 10K and 5K out and back trail courses on hard packed dirt with minimal elevation and lagoon views. The event is a final championship qualifier and finishes with a downhill section.

Multi distance trail running and gravel bike events at Diamond Valley Lake in Hemet, California. Routes include lakeside loops, out and back courses, a stroller 5K and a kids fun run.

San Diego Spartan Event Weekend at Pala Fox Raceway on April 10 and 11, 2027 features a 5 km Sprint, a 10 km Super, kids races, spectator access, and a post-race festival with mud pits and rope climbs.