Trail Running calendar near Castaic 2026-2027

Ray Miller 50/50 in Point Mugu State Park, Malibu, California on December 5, 2026 features 50 mile, 50K and 30K distances. Registration opens April 1 and closes June 1.

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.

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..

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.

Santa Barbara Nine Trails is a trail running event in Santa Barbara, CA on March 13, 2027, offering 35 mile and 17 mile race options organized by AllWeDoIsRun.

Trail running event in Santa Barbara CA on March 13, 2027 offering 35 mile and 17 mile courses, organized by AllWeDoIsRun.

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.

The Coyote Two Moon will take place in Ojai from Friday 21 May 2027 to Sunday 23 May 2027. You can run between 10 and 100 miles.