Trail Running calendar near Santa Monica Mountains 2026-2027

We have found 76 Trailruns within 80 miles of Santa Monica Mountains. See below where and when you can find the races.

Trail running at Corriganville Park in Simi Valley with 50K, 30K and 15K routes through Rocky Peak, Las Lljas and Tapo Canyon. The event features varied terrain, aid stations, and a portion of proceeds benefiting the Challenged Athletes Fou..

A seaside themed run in Long Beach offering 5K, 10K, half marathon and family distances with chip timing, free race photos, finish line pizza and a costume contest.

October 2026

A historic point to point 100 mile mountain race through the San Gabriel Mountains from Wrightwood to Altadena, featuring about 21,610 feet of climb and serving as a Western States and UTMB index qualifier. Lottery entry and qualifier requi..

UTMB Index

Explore the scenic trails of Palos Verdes Peninsula on this 5K course that winds through shaded eucalyptus groves. Participants receive a custom medal and shirt, and the event supports Strides in Recovery. Group discounts and a team atmosph..

A set of trail races near Silverado, CA offering 50-mile, 50K and 30K courses on remote, technical 4x4 and single-track trails with significant elevation gain, aid stations, mandatory self-sufficiency, and cupless support.

Run through the striking rock formations of Vasquez Rocks on one of four trail distances. The courses range from a scenic 5K to a demanding half marathon with significant elevation. The event provides aid station support and commemorative s..

Experience scenic singletrack and natural terrain at Hahamongna Watershed Park in Pasadena with options for a trail half marathon, 10K, or 5K on Sunday, October 18, 2026. Perfect for trail runners seeking a challenging yet runnable course.

No Name Trail Races in Cheeseboro Canyon near Agoura, California feature a 50k, a half marathon, and a 5k over varied singletrack and fire road terrain, with stocked aid stations, same day results, finisher medals, and post race amenities.

November 2026

A trail event in Silverado, California, offering marathon, 25k, half, and 10K courses routed out of Black Star Canyon with significant elevation gain and multiple aid stations.

Trail races on Catalina Island on November 14, 2026 include a 13.1 mile half marathon, a 10K and a 1 km kids run, with routes starting in Avalon and passing Wrigley landmarks and island interior viewpoints.

Join the Third Annual SCTC 5K Turkey Trot on Thanksgiving in Santa Clarita Central Park, a scenic hilly 5K with a 1K kids run. Support Santa Clarita Track Club as runners of all ages race for a great cause.

Run the LA Turkey Trail through the Santa Monica Mountains on Thanksgiving for scenic ocean and mountain views past the Nike Missile Tower. Finishers get medals, shirts, vegan tacos, race photos, a 21 and over beer garden and awards.

December 2026

The Island View Endurance Run returns to Goleta, California in December 2026. Runners can choose from distances ranging from 12K to 100 miles. More details about the event schedule will be announced.

A 28k trail run in Fremont Canyon at Irvine Regional Park featuring about 3800 feet of elevation change and four aid stations. The course runs on fire roads, is cupless, and participants are asked to carry personal hydration.

Trail races at Crystal Cove State Park with 6k, 15k and a Kids 1k course near the beach. The 15k includes technical features and a $2,000 prize purse, with aid stations stocked by Skratch Labs.

January 2027

The Backbone Trail Ultra is a 68 mile run along the entire Backbone Trail in the Santa Monica Mountains. Solo runners need prior 50 mile experience, while relay teams do not. The event is limited to 200 participants.