Trail Running calendar near Prisoners Harbor 2025-2026

The Red Rock Rumble is a challenging 10k trail race held in the stunning Red Rock Canyon of Topanga, California. Featuring steep climbs, rugged terrain, and breathtaking views of the Santa Monica Mountains and Pacific Ocean, the course includes 1,360 feet of vertical gain and loss, with a mix of fir..

Tough Mugu is a challenging trail running event held at La Jolla Group Campground in Point Mugu State Park, Malibu, California. Featuring 25k and 10k distances, the race showcases Southern California’s stunning coastal mountain trails with scenic views of the Pacific Ocean, Channel Islands, and Bone..

The Bulldog Ultra, held in Malibu Creek State Park, Calabasas, CA, is Southern California's oldest 50k trail race, celebrating over 30 years. Scheduled for August 16, 2025, it offers two distances: a challenging 50k ultra with 29.4 miles and 5,784 feet of elevation gain, and a 25k trail run covering..

No Name 5025 is a trail running event held at Cheeseboro National Park in Woodland Hills, California. It features a challenging 50k ultramarathon, along with a half-marathon, 5k, and a kids’ 2k fun run. The course offers diverse terrain, including runnable ascents, winding singletracks, steep fire r..

The Cheeseboro Canyon Trail Run, held in Agoura, California within Cheeseboro Canyon National Park, offers 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 with runnable as..

The Bandit Ultra Trail is a premier trail running event held in Simi Valley, California, at Corriganville Park. Offering three race distances—50K, 30K, and 15K—the course traverses the scenic Rocky Peak area, known for its striking sandstone boulders, oak savannahs, and diverse wildlife habitats. Ru..

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 including 3, 6, 12, 24, and 48-hour runs. Participants complete as many 3.25-mile loops as possible on a clockwise, single-direction..

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

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 Island View Endurance Run, held December 5-6, 2025, takes place at Gaviota State Park and Ortega Trail near Goleta and Lompoc, California. It offers challenging distances of 100 miles, 100 kilometers, and 50 kilometers on a course that is 99% trail and fire road, featuring approximately 25,000 f..

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. Participants experience scenic terrain within the state park, known for its natural beauty and..

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 at Paramount Ranch, the event provides runners with a chance to experience beautiful terrain and a welcoming atmosphere. The..

The Sean O'Brien 100K is a trail running event held in Calabasas, California, offering multiple race distances including 100K, 50 miles, 50K, marathon, and 30K. The 100K race serves as a qualifier for the Western States 100. The course features scenic trail views with notable vantage points around m..

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 the California State Park boundaries, the course..

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. The race offers a variety of distances ranging from a 10K fun run to ultra distances including 30K, 55K, 55 miles, 100K, and a grueling 100-mile course. The ultra courses feature..

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 multi-day trail running event held in Los Olivos, California. Scheduled for May 16, 2026, it offers a variety of distances including 10, 20, 30, and 100 miles, as well as challenging 3-day and 4-day race options. The event is part of the AllWeDoIsRun..