Trail Running calendar near Ventura 2025-2026

We have found 28 Trailruns within 80 miles of Ventura. See below where and when you can find the races.

Tough Mugu is a challenging trail running event held at La Jolla Group Campground in Point Mugu State Park, Malibu, California. It features two main distances: a 25k and a 10k course, both showcasing Southern California's stunning coastal mountain trails. The 25k course covers 15.75 miles with 2,427..

The SoCal Summer 6K/12K, hosted by Pasadena Running Company, is a trail running event held at Lower Arroyo Park in Pasadena, California. Scheduled for a summer Friday evening, it offers two distance options: a 6K (3.9 miles) and a 12K (7.8 miles, two loops of the 6K course). The course features mixe..

August 2025

The Bulldog Ultra is Southern California's oldest 50k trail race, held in the scenic Santa Monica Mountains at Malibu Creek State Park in Calabasas, CA. Celebrating over 30 years, it offers two challenging distances: a 25k trail run and a 50k ultra, featuring steep climbs and rugged terrain with ove..

September 2025

The No Name Trail Races, now known as the Cheeseboro Canyon Trail Run, take place in Cheeseboro National Park, Agoura, California, within the Santa Monica Mountains National Recreation Area. The event offers multiple distances including a challenging 50K ultra marathon with nearly 5,000 feet of elev..

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, formerly known as No Name 5025, is a popular, low-key trail running event held in Cheeseboro National Park near Agoura, California. It features diverse terrain including runnable ascents, winding singletracks, steep fire road climbs, and smooth descents. The event of..

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 Angeles National Forest Trail Race, celebrating its 20th anniversary, takes place in the scenic San Gabriel Mountains at Mt. Wilson, California. Offering two challenging distances, a 25K with 3,500 feet of elevation gain and a 50K with 7,000 feet, the race starts and finishes at the historic Mt...

October 2025

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 SPACEROCK Trail Race is an exciting trail running event held at the iconic Vasquez Rocks Natural Park in Agua Dulce, California. Scheduled for October 18, 2025, it offers multiple race distances including a challenging Half Marathon+ (just under 14 miles with over 3,200 feet of elevation gain),..

The Pasadena Trail Half Marathon, hosted by Pasadena Running Company, takes place at Hahamongna Watershed Park in Pasadena, California. This event offers three distance options: 5K, 10K, and a challenging half marathon. The half marathon course spans 13.1 miles with an elevation gain of 1,855 feet,..

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..

November 2025

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. Scheduled for November 1, 2025, it offers multiple race distances including 5K, 10K, Half Marathon, and a challenging 28K. The cou..

The Griffith Park Trail Marathon is a scenic trail running event held in Los Angeles, California, within the iconic Griffith Park. The race features multiple distances including a marathon, 50K, 30K, half marathon, and 10K, all showcasing a mix of beautiful single-track trails and double-track fire..

The 4 Mile Hill Challenge is a scenic and challenging running event held at the Audubon Center at Debs Park in Los Angeles, CA. This trail run features rolling hills within a historic park, starting and finishing at the nature center. The course includes hydration stops and is suitable for all level..

December 2025

The Island View Endurance Run, held in Goleta, California, offers challenging trail races over December 5-6, 2025. Distances include 100 miles, 100 kilometers, 50 kilometers, and a 25-kilometer option. The course is primarily on trails and fire roads, featuring approximately 25,000 feet of elevation..

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 Hanukkah 8 Krazy Kilometers is an annual family-friendly running event held in Bakersfield, California, organized by Temple Beth El. The 8K and 2K races take place at the scenic Panorama Vista Preserve, part of the Kern River Parkway, featuring natural trails along the Kern River below the Panor..

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