Trail Running calendar near San Diego 2025-2026

The Pacific Crest Trail 50 (PCT 50) is a challenging 50-mile ultramarathon held in the Cleveland National Forest, California. The out-and-back course primarily follows single-track trails along the Pacific Crest Trail in east San Diego County, featuring rugged terrain with rocky sections and signifi..

The John Wayne Grit Series - Newport Coast is a running event that features 50K, 25K, and 5K races set against the stunning backdrop of Crystal Cove State Park in Laguna Beach, California. Participants will navigate hill climbs and enjoy ocean views along dirt roads and single-track trails. The even..

The Billy Goat Half Marathon Climb is a challenging mountain race held in Temescal Valley, California, within the Cleveland National Forest. Scheduled for May 10, 2025, the event features a scenic course along Maple Springs Road to N. Main Divide, offering stunning views and a significant elevation..

The O'Neill Park Trail Races is a scenic trail running event held in Trabuco Canyon, California, featuring various race distances including 10K, half-marathon, 30K, 50K, and marathon. The race showcases the stunning natural beauty of O'Neill Park, a treasured location in South Orange County. Partici..

The Corral Canyon Trail Scramble is a trail running event held in the Cleveland National Forest near Campo, California. Taking place on May 17, 2025, it offers multiple race distances, including 5 miles, 9 miles, 14 miles, and a 50K ultramarathon. The courses feature rocky terrain, sandy sections, a..

The Proctor Valley Monster Endurance Run is a challenging 60-kilometer race set in the rugged terrain of Southern California. Participants will face a grueling course featuring 11,000 feet of elevation gain and 10,000 feet of descent, designed to test their endurance and mental fortitude. The event..

The 1st Annual NATRO@Noli Indian School Trail Race takes place on the Soboba Indian Reservation in San Jacinto, California. This event offers marathon, half marathon, 5k, and kids 3k distances with Native and Open divisions. The marathon features a challenging two-loop 13.1-mile course with over 2,0..

The OC Trail Runners Group Run is a free, social trail running event held in Newport Coast, California. Taking place on May 3, 2025, the run is non-competitive and designed for runners of all levels to enjoy the outdoors and camaraderie. Participants will explore different routes each time, with the..

The Lake Miramar 4 Mile Run, part of the Rewind Series by ERS, is a scenic, untimed fun run held near sunset at Lake Miramar in San Diego, CA. The 4-mile out-and-back course features a mix of paved roads and trails along the lake’s picturesque shoreline, offering a varied and enjoyable running exper..

The San Diego 100 is a challenging 100-mile ultramarathon set in the scenic mountains of San Diego County, California. Scheduled for June 6, 2025, the race features a loop course primarily on single-track trails, including sections of the Pacific Crest Trail and various state parks. Participants fac..

The Black Star Canyon 5k Trail Run is an exciting running event taking place in Silverado, California, on June 11, 2025. The race features a scenic 5k course that includes fire roads and single-track trails, with an elevation gain of 390 feet. Participants can expect one aid station providing water..

The Black Mountain Trail Races in San Diego, CA, offer challenging trail running events across three distances: 50K, 25K, and half marathon. Participants will navigate rugged, technical trails through historic and scenic areas, including Black Mountain, an ancient extinct volcano with diverse wildli..

The Whiting Ranch Trail Races, held in Trabuco Canyon, California, offer a scenic running experience through Whiting Ranch Wilderness Park in Orange County. Participants can choose from four distances: 6K, 10K, half marathon (13.2 miles), and 30K. The course features challenging climbs, expansive vi..

The Red Rock Wilderness Trail Run is a scenic 5k event taking place in the beautiful Red Rock Wilderness area, specifically at the Augustine Staging Area in Silverado, California. The course features a mix of fire roads and single track trails, with an elevation gain of 300 feet. Participants can ex..

Elder Creek Night Runs is an exciting running event set in the beautiful desert landscape of Anza, California, under a full moon. Participants can choose from various distances, including 50K, 30K, 13 Miler, and 9 Miler, all on a scenic 4.6-mile looped course featuring single track trails and dirt r..

The Peak is a challenging trail running event held near Julian, California, featuring 50K, marathon, and half marathon distances. The course primarily follows single-track trails with stunning mountain views, including a climb to Cuyamaca Peak, the second highest point in San Diego County. Runners f..

The Harding Hustle is a challenging trail running event held in the scenic Cleveland National Forest and Santa Ana Mountains near Silverado, California. It offers three distances: 50K, 30K, and 15K, all primarily on the Harding Truck Trail, featuring steep climbs, exhilarating descents, and breathta..

The Riley Park Trail Races is a family-friendly event held at Thomas F. Riley Wilderness Park in Orange County. The race offers various distances, including a 30k, half marathon, 10-miler, 10k, Riley Park 6-hour, and 5k, catering to runners of all levels.Participants can enjoy scenic single and doub..

South Bay 24 is an endurance running event held at Montgomery Waller Community Park in San Diego, featuring a 1.25-mile loop course that includes trail, grass, and bike path surfaces. The event offers multiple race options including a 24-hour race, 12-hour day and night races, a 6-hour race, and a h..

The Noble Canyon 50K and 15K is an annual trail running event held in the scenic mountains of east San Diego, California. The race features mostly runnable single-track trails with stunning views and challenging terrain. The 50K race begins early in the morning, with a 9.5-hour cutoff, while the 15K..