Trail Running calendar near Prisoners Harbor 2025-2026

Twilight's Last Gleaming Cross Country Challenge is a rare evening cross-country race held in Ventura, California. Now in its 40th year, it takes place on the last Saturday in October, except Halloween when it will be a week earlier. The co..

No Name is an ultra trail race hosted by SoCalTrail, held in Cheeseboro Canyon at Cheeseboro National Park near Agoura, California. The event offers three distances: a 50k, a Half-Marathon, and a 5k trail run. The course weaves through dive..

Tackle scenic singletrack and steep climbs at the No Name Trail Races in Chesebro Canyon, Agoura CA on October 25, 2025. Choose from a 50k, half marathon or 5k and celebrate with tacos, a beer garden and post race awards.

The Santa Cruz Island Eco-Extreme Trail Half Marathon is a challenging 13.3-mile trail race held on Santa Cruz Island in Channel Islands National Park, California. Organized by the Ventura County Sheriff's Search and Rescue Upper Ojai Team,..

Santa Clarita Trail Race is a golden-trail running event held in East Walker Ranch on Placerita Canyon Road, Santa Clarita, CA. Brought to you by New Global Adventures, it offers four distances: 5K, 10K, Half Marathon, and 28K. The race win..

Run scenic trails around Goleta, CA on December 5 and 6, 2025 with distances from 12K to 100 mile for a true endurance challenge. Finishers earn special awards like 100 mile belt buckles and gather for a Sunday awards banquet.

Event details Ray Miller 50/50 is scheduled for Saturday, December 6, 2025, at Point Mugu State Park in Malibu, CA. The event listing states the 2025 edition is sold out. A waitlist is maintained and the listing indicates waitlisted entrant..

Mulholland Under the Stars Trail Race The event takes place on Saturday, December 13, 2025, at Marvin Braude Mulholland Gateway Park in Tarzana, CA, with the start and finish at the trailhead lot. It is a night trail race run on fire roads..

Event details Paramount Ranch Trail Runs is a trail running event scheduled for December 20, 2025, at Paramount Ranch in Agoura Hills, California. The event is described as a return to the local trails after recent years. The National Park..

The Sean O'Brien event in Calabasas, California, offers multiple trail running distances including 100K, 50 miles, 50K, marathon, and 30K. The 100K race serves as a qualifier for the 2026 Western States 100. The course features scenic trail..

Boney Mountain Trail Run takes place in Thousand Oaks, California, starting from Rancho Sierra Vista / Satwiwa in the Santa Monica Mountains. It offers a Half Marathon (13.1 miles, ~2,780 ft gain) and a 7k Trail Run (4.4 miles, ~664 ft gain..

Elevate's 12 Hour Race takes place at the First Baptist / VCA campus in Santa Maria, California. The format centers on a closed-loop course with each 12-hour lap measuring 1 mile, while the 5k is three loops of about 1.036 miles each. The e..

Event details Singletrack Stampede is a trail run in Calabasas, CA, held at 4232 Las Virgenes Road. The event is listed as Race #2 of the SoCalTrail "Trail ½ Series" for 2026. Registration is noted as coming soon. Distances: 22K..

Back On The Ranch Trail Run Back On The Ranch Trail Run takes place on October 3 and 4, 2025, in Los Olivos, CA. The event offers timed and multi-duration trail options. Distances and formats listed for the event include: 3 hour 6 hour 12..

VALENCIA Trail Race : March 21, 2026 The VALENCIA Trail Race takes place in Valencia, California on March 21, 2026. The event offers three trail distances: 50K Half Marathon (13.1 mi / 21 km) 10K Entry fees are listed per distance on the..

Point Mugu Trail Run : Malibu, CA The event is Race #3 of the SoCalTrail "Trail ½ Series" (six half-marathons in 2026). It takes place at Point Mugu State Park, starting at the Ray Miller Trail Head in La Jolla Canyon near 9000 W...

Set in Agoura Hills, California, the 41st Nature Made Great Race offers a range of distances: half marathon, 5K, 10K, 15K, 10M, and 1M. The centerpiece Chesebro Half Marathon is mostly trail with epic scenery, while the on-road Deena Kastor..

Coyote Two Moon is a rugged trail weekend in Los Padres National Forest near Ojai with distances from 10K to a 100 mile test. Huge elevation, small fields and a 42 hour cutoff make it a serious challenge for experienced trail runners.

Take on scenic Santa Monica Mountains and Point Mugu trails with creek crossings and ocean views at the Boney Mountain Trail Run. Choose a half marathon or 7k, chase a $500 course record bonus, and enjoy post race tacos and festival awards.

Back On The Ranch Trail Run Back On The Ranch Trail Run takes place on October 3 and 4, 2025, in Los Olivos, CA. The event offers timed and multi-duration trail options. Distances and formats listed for the event include: 3 hour 6 hour 12..