Trail Running calendar near Prisoners Harbor 2025-2026

The Bulldog Ultra, held in Malibu Creek State Park, Calabasas, CA, is Southern California's oldest 50k trail race, celebrating 33 years in 2025. Offering both 50k and 25k distances, the course features challenging climbs with 5,784 and 2,947 feet of elevation gain respectively, winding through the s..

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..

The Back On The Ranch Trail Run, held at the private Sand Creek Ranch in Los Olivos, California, is an annual trail running event featuring multiple timed race options: 3, 6, 12, 24, and 48 hours. Participants complete as many 3.25-mile loops as possible on a scenic course with about 302 feet of ver..

The Twilight's Last Gleaming Cross Country Challenge will take place in Ventura on Saturday 25 October 2025.

The No Name Trail Races, held in Agoura, California within Cheeseboro National Park of the Santa Monica Mountains, offer a variety of trail running distances including a challenging 50K ultra marathon, a half marathon, a 5K trail run, and a new kids 2K fun run. The courses feature diverse terrain wi..

No Name 5025 is a challenging trail running event held at Cheeseboro Canyon in Woodland Hills, California. Featuring a 50k ultramarathon, a half-marathon, a 5k trail run, and a kids' 2k fun run, the race offers diverse terrain including runnable ascents, winding singletracks, steep fire road climbs,..

The Cheeseboro Canyon Trail Run, hosted by SoCalTrail, is a popular, low-key event held in Cheeseboro National Park near Agoura, California. It features multiple race distances including a challenging 50k ultramarathon, a half-marathon, a 5k trail run, and a kids' 2k fun run. The course offers diver..

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..

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 views with notable vantage points around miles 7 and 15, pr..

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...

The Valencia Trail Race, held in Valencia, California, offers a challenging and scenic trail running experience with three distance options: 10K, half marathon, and 50K ultra. Set against the backdrop of Southern California's hills and mountains near state park boundaries, the course features single..

The Nature Made Great Race is an annual running event held in Agoura Hills, California, near Los Angeles. Celebrating over 40 years, it features multiple race distances including the Chesebro Half Marathon, Old Agoura 10K, Deena Kastor 5K, and a 1-mile fun run. The half marathon course offers scenic..

Coyote Two Moon is a challenging trail running event held in the scenic Los Padres National Forest near Ojai, California. Scheduled for the first weekend of May 2026, it offers a range of distances from a 10K fun run to ultra distances including 30K, 55K, 55 miles, 100K, and a grueling 100-mile race..

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..

The Malibu Canyon Trail Races, held at Point Mugu State Park in Malibu, California, offer a variety of challenging trail running distances including 100K, 50-mile, 50K, 30K, and a newly added half marathon. This event, presented by Keira Henninger, takes place in a scenic natural setting known for i..