Trail Running calendar near Ventura 2026-2027

Tackle scenic trails and city views at the Ascot Hills Challenge 5K in Los Angeles, with an in person chip timed race and virtual option for remote runners. Proceeds support local schools and park restoration, making every mile count.

A mountain trail race near Mount Wilson in the Angeles National Forest on Sep 26, 2026. Options include a **25K** with about 3,800 ft climb and a **50K** with about 7,000 ft, on singletrack, fire roads and ridge trails.

The Palos Verdes Trails 5K will take place in Rolling Hills Estates on Sunday 4 October 2026. You can run 5 kilometers.

A trail running event at Vasquez Rocks Natural Area Park on October 17, 2026 offering Half Marathon+, 15K, 10K and 5K courses with rocky single track, a 500 foot tunnel on some routes, and multiple aid stations.

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.

Trail races in Cheeseboro Canyon featuring runnable ascents, singletrack, fire road climbs and scenic sections. Distances include a 50K ultramarathon, a trail half and a 5K with stocked aid stations, finisher medals and post-race food and b..

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.

Island View Endurance Run returns to Goleta, California on December 4 and 5, 2026, with distances from 12K to 100 miles. Enjoy scenic coastal trails and multi day endurance challenges; registration opens April 1, 2026.

Take on the 68 mile Backbone Trail in the Santa Monica Mountains on January 16, 2027, with 13,600 feet of climbing and epic coastal views. Field capped at 200; solo entries require a prior 50 mile finish, relays of two to four welcome.