Trail Running calendar near Ventura 2026-2027

A 3.1 mile trail event at Ascot Hills Park in Los Angeles with chip timing and views of Dodger Stadium and the Hollywood sign. Proceeds support the Wilson High School Fire and Police Magnet Cadet Program and Ascot Hills Park.

A trail ultramarathon at Mt. Disappointment in the Angeles National Forest offering 25K and 50K options. Technical single-track courses include substantial elevation gain, staffed aid stations, and awards for top finishers.

Trail races of 50K, 30K and 15K through Rocky Peak, Las Llajas and Tapo Canyon, held at Corriganville Park with on-course aid stations and event proceeds benefiting a charitable foundation.

Galactic Trail Run is a trail event at Vandenberg Space Force Base on September 26, 2026, offering 10 km and 20 km distances. Online registration closes September 16, 2026.

A themed run in Long Beach on September 27 with Half Marathon, 10K, 5K, a family mile and kids dash, ocean views, chip timing and a pizza themed finish line festival.

Back On The Ranch Trail Run in Los Olivos CA runs October 2 to 4, 2026 and offers timed trail formats from three hours to 48 hours. The event is organized by AllWeDoIsRun, a promoter of California Central Coast trail events.

A 5K at Ernie Howlett Park on the Palos Verdes Peninsula with a shaded horse-trail course, in-person and virtual options, and a fundraising entry where raising $100 covers registration and benefits Strides in Recovery.

The ABWR Half Marathon - Valencia will take place in Santa Clarita on Sunday 4 October 2026. You can run between 5 and 13 miles.

A Halloween themed running event in Valencia offering 5k, 10k, 15k and a half marathon on a marked out and back trail. Each loop has an aid station and registration includes a finisher medal, photos, and posted results.

A trail race at Vasquez Rocks in Agua Dulce on October 17, 2026 offering Half Marathon+, 15K, 10K and 5K loops through rock formations, canyons and a 500 foot tunnel on the Pacific Crest Trail with multiple aid stations.

A trail running event in October at Hahamongna Watershed Park offering 5K, 10K and a hilly half marathon across mixed single track and fire roads.

Trail running in Chesebro Canyon near Agoura with a 50K, a half marathon and a short trail race; courses feature singletrack, fire road climbs, stocked aid stations and post race food with a beer garden for 21 plus.

Multi-distance trail races on the Gaviota Coast feature ocean and valley views on October 24 and 25, 2026. Distances range from 12 km to 100 miles and courses include aid stations and on-course EMT support.

Santa Cruz Island EcoExtreme 2026 is a 13.1 mile wilderness trail run on Santa Cruz Island in Channel Islands National Park. The non profit event has limited entries regulated by the National Park Service and includes boat transport and on..

Trail and gravel running events in Bakersfield, California on November 6, 2026. The Rock Cobbler Run pairs trail running with gravel rides and includes photo galleries, results and several event support pages.

The Pacific Trails California by UTMB will take place in Lake Los Carneros from Saturday 14 November 2026 to Sunday 15 November 2026.

A 30th annual community 3.14 mile run in Ventura on November 15, 2026, held on a new course with online registration only. The event aims for zero waste and includes a Patagonia store bib discount the week after the race.

A long distance trail event in Malibu covering about 70 miles with roughly 13,000 feet of elevation gain and a 36 hour time window, with a required dry pack weight of 25 pounds and both paid and volunteer ticket options.

A Thanksgiving Day community run in Santa Clarita offering a 5K cross country course through Central Park and a 1K for children. The event benefits the Santa Clarita Track Club and awards medals to the first 600 competitors.

A Thanksgiving morning trail race in the Santa Monica Mountains with half marathon, 10k and 5k options, ocean and valley views, finisher medals, free course photos, a beer garden and taco breakfast, and a canned food drive for the West Vall..