Trail Running calendar near Prisoners Harbor 2025-2026

The Bandit Ultra Trail is a premier trail running event held in Simi Valley, California, at Corriganville Park. Set against the scenic backdrop of Rocky Peak's mountains and steep canyons, the race offers stunning views of sandstone boulders, oak savannahs, and diverse wildlife habitats. Participant..

Palos Verdes Trails 5K is a residence of ernie Howlett Park on the Palos Verdes Peninsula, CA, offering a 5K through Palos Verdes trails. The course features eucalyptus shade and well‑groomed horse trails over gently rolling hills, delivering a nature‑driven, invigorating experience. The atmosphere..

Back On The Ranch Trail Run takes place in Los Olivos, California, on October 3–4, 2025. This trail-running event offers a range of endurance formats: 3-hour, 6-hour, 12-hour, 24-hour, and 48-hour options, allowing participants to choose their challenge level over the weekend. Details and registrati..

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 course is notorious and punishing: the first mile climbs a cit..

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 diverse terrain: runnable ascents, winding singletracks, steep f..

No Name Trail Races is a SoCalTrail event held in Cheeseboro National Park near Agoura, California. The lineup features a 50K ultramarathon, a Half-Marathon, a 5K, and a Kids 2K, offering something for a range of abilities. The atmosphere is described as low-key and welcoming, a local favorite with..

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, this rugged course features steep hills, creek crossings, a..

The Santa Clarita Trail Race is an epic trail running event held in the golden hills of Santa Clarita, California, specifically at East Walker Ranch in Placerita Canyon. Set in a historic area where gold was first discovered in 1842, the race offers stunning and diverse landscapes featuring challeng..

The Island View Endurance Run, held in Goleta, California near Lompoc, is a challenging trail running event featuring distances of 25km, 50km, 100km, and 100 miles. The course is primarily on trails and fire roads, offering stunning views of the Central Coast and the Channel Islands. Runners face si..

The Ray Miller 50/50 is a trail running event held at Point Mugu State Park in Malibu, California. Scheduled for December 6, 2025, the race offers three distance options: a 50-mile ultra, a 50K, and a 30K. The course takes runners through the scenic terrain of the state park, known for its natural b..

The Paramount Ranch Trail Runs, held in Agoura Hills, California, offer a variety of race distances including 50K, marathon, 30K, half marathon, and 10K. Set on scenic trails within the historic Paramount Ranch, the event provides runners with a challenging and picturesque course. The race atmospher..

Sean O'Brien 100K/50M/50K/26.2/30K is a trail ultramarathon event in Calabasas, California (1925 Las Virgenes Road). It offers five distances: 100K, 50 miles, 50K, marathon, and 30K, giving athletes a range of challenging options on scenic trail terrain. The race is part of the Sean O’Brien Trail Ru..

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). Runners traverse backcountry canyons of Point Mugu State..

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 event creates a campus-friendly, community atmosphere, with o..

The Santa Barbara Nine Trails is a trail running event held in Santa Barbara, California, featuring two distance options: 35 miles and 17 miles. Organized by AllWeDoIsRun, the race takes place on scenic trails along the California Central Coast, offering runners a challenging and picturesque course...

VALENCIA Trail Race takes place in Valencia, California, offering three trail distances: 10K, Half Marathon, and 50K Ultra. Set amid Southern California’s hills, the course climbs to peaks, follows ridgelines, and traverses canyons with panoramic views of the Santa Clarita Valley. The route is 70% s..

Nature Made Great Race takes place in Agoura Hills, California, offering multiple distances: Chesebro Half Marathon (mostly trail with scenic canyon and meadow views), Old Agoura 10K, Deena Kastor 5K, United Track 1 Mile, plus the 15K Combo and 10‑Mile Triple Stack. The event showcases scenic, USATF..

Coyote Two Moon takes place in the Los Padres National Forest near Ojai, California. The event offers multiple distance options: 100 miles, 100K (roughly 62 miles), 55 miles, 55K (34 miles), 30K (about 18 miles), and 10K (about 6.5 miles); a brand-new 50K distance is also noted. The course features..

The Boney Mountain Trail Run is a scenic trail running event held in the Santa Monica Mountains, starting at Rancho Sierra Vista | Satwiwa National Park in Newbury Park, California. It features a challenging half-marathon course that includes creek crossings, single-track climbs, and stunning ocean..

The Born to Run Ultra Marathon Extravaganza is a premier trail running event held in Los Olivos, California. Scheduled for May 16, 2026, it offers a variety of race distances including 10, 20, 30, and 100 miles, as well as multi-day options spanning 3 and 4 days. The event is part of a series of tra..