Trail Running calendar near Del Mar 2025-2026

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, with stunning ocean vistas at the summit, including views of neighboring Channel Islands on..

The Sri Chinmoy 6-Hour Race in San Diego is a timed endurance event held on a scenic 5-mile asphalt loop around Lake Miramar. Participants run or walk clockwise around the mostly flat course with gentle hills, sharing the path with pedestrians and cyclists in separate lanes. The race welcomes all pa..

The Chino Hills Trail Run Series, held at Chino Hills State Park in Brea, California, offers challenging trail races in scenic natural surroundings. The fall event features 30K and 50K distances, with well-marked courses that traverse hilly terrain and showcase native plants and wildlife. Aid statio..

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 participants with stunning 360-degree views. Elevation gains..

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 Dirty December Trail Run in San Diego, CA, is a festive holiday trail running event featuring multiple race distances including a marathon, half marathon, 10K, and a unique 6-hour hill climb race. Participants can run in costume for a chance to win awards in solo or team categories, adding a fun..

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 features multiple race distances including a 50K, half marathon, 10K, and 5K, catering to various skill levels. The courses traverse dirt s..

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 50K and a half marathon distance. The 50K consists of two loops of a 25K course with a total elevation gain of 6,318 feet (1,926 meters), while the half marathon is a single 13.1-mile loop wi..

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 experience beautiful courses through vineyards and orange groves. The 10K is relatively flat, while the half..

Sycamore Canyon is a trail running event held at the scenic Goodman Ranch Sycamore Canyon Preserve near Poway, California, just east of San Diego. The race offers multiple distances including a 100K (solo or 4-person relay), 50K (solo or 4-person relay), and a half marathon. The course is a loop thr..

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..

Old West Trail Runs, held in the scenic Anza Borrego Desert State Park near Julian, California, offers 50K, marathon, and half marathon distances. The event features runner-friendly courses with moderate elevation gains—about 2,555 feet for the 50K and marathon, and 670 feet for the half marathon—wi..