Trail Running calendar near Simi Valley 2026-2027

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.

Traverse the San Gabriel mountains on this classic point-to-point 100-mile course. As one of the original five U.S. 100-milers, it features rugged climbs and a historic route. Finishers earn a custom engraved plaque and a distinctive belt b..

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 among the iconic rock formations at Vasquez Rocks Natural Park in Aqua Dulce on October 17, 2026. SPACEROCK Trail Race features 5K, 10K, 15K and half marathon routes on scenic trails for runners of all abilities.

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.

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.

This trail running event takes runners through the scenic and rugged interior of Catalina Island, starting in Avalon. The half marathon course passes historic landmarks like the Wrigley Mansion and offers ocean views. A 10K route explores t..

A Thanksgiving tradition in Santa Clarita Central Park. Choose between a hilly 5K cross country course or a 1K event for younger participants. Proceeds benefit local youth track and field programs.

Run through the Santa Monica Mountains on Thanksgiving morning. Choose from a half marathon, 10k, or 5k on scenic fire roads and singletrack. The entry includes a shirt, medal, breakfast, and a post race beer garden.

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.

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.

The Mt. Hollywood 12K Trail Run Hike will take place in Los Angeles on Sunday 24 January 2027. You can run between 5 and 8 miles.