Trail Running calendar near Del Mar 2025-2026

The Roosters Backyard Ultra will take place in San Diego on Saturday 1 November 2025.

The Wildwood Canyon Trail Run takes place in Wildwood Canyon State Park, Yucaipa, California, featuring a scenic 3.6-mile loop course with nearly 600 feet of vertical gain per loop. Participants have 8 hours to complete as many loops as possible, showcasing the park's rugged canyons, meadows, and oa..

The Mount Laguna Trail Marathon, held in Mount Laguna, California, is a well-organized Southern California trail race featuring a challenging single-loop course of technical single-track trails. The marathon covers rolling terrain with a total elevation gain of 3,358 feet. The first half of the cour..

The Catalina Island Half-Marathon & 10K is a scenic trail running event held in Avalon, California. The half-marathon covers 13.1 miles, featuring challenging climbs through Catalina Island’s rugged interior, starting past the historic Wrigley Mansion. Runners are rewarded with breathtaking Pacific..

The Sri Chinmoy 6-Hour Race in San Diego is a timed endurance event held at Lake Miramar, featuring a scenic 5-mile asphalt loop around the urban lake. The mostly flat course includes gentle hills and is run clockwise, with separate lanes for pedestrians and bicycles. Participants can enjoy four aid..

The Chino Hills Trail Run Series, held in Brea, California, offers trail running enthusiasts a range of distances including 10K, 10-mile, 15-mile, 20-mile, half-marathon, 30K, and a challenging 50K ultramarathon. Set within one of Orange County's premier natural open-space parks, the event features..

The RD Trail Half Marathon will take place in Tijuana on Sunday 16 November 2025. You can run between 10 and 21 kilometers.

Boundiful Endurance Runs is a unique ultrarunning event held at Washburn Ranch, a Southern California fruit and nut farm near Hemet, CA. The race features a one-mile loop on a 100% hardpacked dirt surface, free of gravel, asphalt, or sidewalks, providing a smooth and uninterrupted running experience..

The Black Mountain Turkey Burner Trail Race, held at Black Mountain Community Park in San Diego, CA, is a challenging and technical trail running event. Part of the ERS Sunshine Series, it features a half marathon with significant hill climbing on rugged trails, alongside 10K and 5K races on less te..

The Fremont Canyon 28k Trail Run is an exciting running event taking place in Irvine Regional Park, Orange, California. Scheduled for December 6, 2025, this challenging 28k (17.5 miles) course features fire roads with an elevation gain and loss of 2860 feet, making it suitable for experienced runner..

The Anza Borrego Cuyamaca 50 Mile Run is a challenging point-to-point ultramarathon held in Julian, California, showcasing some of San Diego's most scenic trails. Covering 50 miles, the course begins at the Sunrise Trailhead, ascends Stonewall Peak, traverses wooded trails near a lake in Cuyamaca Ra..

The Tenth Annual Keepin' It Rural 5K/10K Trail Race and Festival takes place at the scenic Elfin Forest Recreational Reserve in north San Diego. This unique event features chip-timed races for both 5K and 10K runners, with a special course for hikers. The race begins and ends at the Olivenhain Dam,..

The Dixon Lake Trail Race, held annually at Daley Ranch in Escondido, California, offers runners scenic trail runs with distances of 10 miles, 10K, and 5K. Starting at El Caballo Park, the 10-mile course ascends to Stanley Peak, providing a stunning 360-degree view from the summit. Elevation gains r..

The Crystal Cove Trail Run, held at Crystal Cove State Park in Laguna Beach, California, offers a scenic and challenging trail running experience just minutes from the beach. The event features three distances: a 15K, a 6K, and a Kids 1K race. Both the 15K and 6K courses include fire road climbs, ri..

The Del Dios Trail Race, known as the "Race of the Gods," is an annual trail running event held at scenic Lake Hodges in Escondido, California. The 11th edition takes place in early January 2026 and offers multiple race distances including a 50K, half marathon, 10K, and 5K. The courses feature dirt..

The San Diego 50 Mile & Trail Marathons, held in Escondido, California, offer a variety of trail running events including a 50-mile ultra marathon, trail marathon, relay marathon, heavy half marathon, and shorter distances like a 10-mile Summit Chase, 5-mile Valley run, stroller-friendly 5K, and a y..

The Ranch 50K is a trail running event held at Daley Ranch in Escondido, California, featuring a challenging course with significant elevation gain. The 50K race consists of two loops of a 15.6-mile course, totaling 31.1 miles with 6,318 feet (1,926 meters) of climbing. A half marathon option covers..

The San Pasqual Valley Trail Race, held in Escondido, California, is a scenic running event set in San Diego's wine country. Offering three distances—10K, half marathon, and 20 miles—runners enjoy breathtaking views of vineyards and orange groves. The 10K course is relatively flat, while the half ma..

The Catalina Island Marathon, held annually in Avalon, California, is the oldest trail marathon in the state and serves as California’s State Off-Road Marathon Championship. The event features multiple race distances including a full marathon (26.2 miles), 10K, 5K, and a kids' run. The course runs t..

The Old West Trail Runs, held at Anza Borrego Desert's Stagecoach Trails RV Resort, offer 50K, marathon, and half marathon distances through scenic desert terrain. The courses feature minimal elevation gain, with the 50K and marathon having about 2,500 feet and the half marathon around 670 feet. Par..