Trail Running calendar near San Gabriel Mountains 2026-2027

Crystal Cove Trail Run in Laguna Beach offers marked trail races of 15K, 6K and a Kids 1k with aid stations, course photography and on site amenities. The 15K includes a $2,000 prize purse and age group awards.

A holiday themed running event at Griffith Park offering 5k, 10k, 15k and half marathon distances on a shared dirt horse trail. The event includes on-course aid, finisher medals, photos, parking near the Merry Go Round and posted results.

A 68 mile ultramarathon across the Backbone Trail in the Santa Monica Mountains with about 13,600 feet of climbing. Entry is capped at 200 runners; solo entrants need a prior 50 mile trail finish and relay teams are allowed.

Lake Perris hosts a Spartan obstacle weekend Jan 23–24, 2027 with 5 km, 10 km, 21 km and kids races across a flat, fast course by the lake. Team entries, spectator access, volunteer options and service member discounts are available.

Event Overview This event takes place in Griffith Park, Los Angeles. It offers several trail run and hike distances. The start/finish location is on a fire road just north of the Old Zoo. Distances Participants can choose from the following..

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 in Perris, CA on January 29, 2027 where runners repeat a Molcajete 1.0 loop of more than 4 miles. Individual and four-person team entries are available, with awards for top individuals and teams.

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 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 Tejon Ranch near Lebec, California, with 100k, 50k, 25k and 11k options. Marked fire road courses include aid stations, chip timing, noted wildlife and a finish line festival with food and a beer garden.

Trail races on Catalina Island include a marathon, 10K and 5K in Avalon, California on March 13, 2027. The event is California's State Off-Road Marathon Championship and uses Conservancy trails with ocean views.

Tough Mudder Los Angeles on March 20, 2027 at Lake Elsinore Raceway offers multiple obstacle courses from 5 to 8 km and 15 plus km, an Infinity multi lap option, finisher medals and a Mudder Village for spectators.

VALENCIA Trail Race in Valencia, California offers 10K, half marathon and 50K ultra on single-track trails with multiple climbs and panoramic ridge views. The event features chip timing, aid stations and a cupless policy to reduce disposabl..

A half marathon and 10K on a rugged high-desert course near Joshua Tree National Park on March 20, 2027. The event benefits the John Wayne Cancer Foundation, offers chip timing, aid stations, and finisher awards.

Tough Mudder Los Angeles on March 20 2027 at Lake Elsinore Raceway features multiple distance mud runs with more than 20 obstacles, finisher rewards, an Infinity multi lap option, and Mudder Village spectator access.

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.