Trail Running calendar near Simi Valley 2026-2027

We have found 88 Trailruns within 80 miles of Simi Valley. See below where and when you can find the races.

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..

Tackle scenic trails in Griffith Park with routes offering iconic views of the Hollywood Sign. Choose from an 8-mile hike, an 8K, a 5K, or a kids' run. All participants receive a finisher's medal and a t-shirt.

February 2027

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.

March 2027

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 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.

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

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..

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