Trail Running calendar near Whittier Narrows 2026-2027

Trail running and hiking events in Griffith Park on 01/24/2027 with 8 Mile, 8K, 5K and 2.2K courses; the 8 Mile is an out-and-back to a Hollywood Sign viewpoint. Marked courses have aid stations, chip timing, finisher medals and event shirt..

A 24 hour trail event at Lake Perris featuring repeated laps of the Molcajete 1.0 loop of just over 4 miles. Available for individuals or four person teams with awards for top finishers.

Multiple race distances from 30K to 100K are scheduled for January 30, 2027 near Las Virgenes Road in Calabasas, California. The 100K is a 2026 WS100 qualifier and registration opens July 1, 2026.

A four-leg trail relay at Griffith Park run on the one mile Observatory Loop. Teams of two alternate laps, exchange a baton in a marked zone, and must use a headlamp while on course.

A loop-based endurance event at Will Rogers State Historic Park offering 24, 12, and 6 hour timed races plus fixed distances and relay options on a 2.2 mile course.

Trail races on private Tejon Ranch near Lebec, CA offering 100k, 50k, 25k and 11k courses with large elevation changes, aid stations, chip timing, camping options and a finish festival with food and a beer garden.

A series of road and trail races on Catalina Island around Avalon and Two Harbors, including a 26.2-mile trail marathon, 10K, 5K and a 1K kids run with island and ocean views.

Tough Mudder Los Angeles on March 20, 2027 at Lake Elsinore Raceway blends winding single-track and arid ridges with waterlogged mud obstacles. Event formats include 15+ km and 5 to 8 km courses, an Infinity multi-lap option, and spectator..

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..

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.

Coyote Two Moon is a multi-distance trail running event near Ojai, California offering courses from 10K to 100 miles with significant elevation gain and limited entries. The longer distances require qualifying trail results and the race has..