Trail Running calendar near Rancho Santa Margarita 2025-2026

The Nine Trails 35 Mile Endurance Run is a trail running event held in Santa Barbara, California. It offers two distance options: a challenging 35-mile course and a shorter 17-mile route. The race takes place on scenic trails that showcase the natural beauty of the Santa Barbara area, providing runn..

The Pirate's Cove 6/12/24 Hour Run/Hike is an endurance event held at Lake Cuyamaca, California. Participants can choose to run or hike for 6, 12, or 24 hours on a scenic course centered around the lake area. The event takes place at Chamber's Park Campground, which serves as race headquarters and o..

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 Coast to Crest 10K and 5K is an annual trail running event held in Del Mar, California, featuring a very flat and fast course ideal for runners seeking personal records. The out-and-back routes are 100% dirt trail, well-groomed, and offer spectacular wide-open lagoon views with a downhill finish..

The Billy Goat Mountain Climb is a challenging trail running event held in Silverado, California, within the scenic Cleveland National Forest. It offers three race distances: a 17-mile run, a half marathon, and a 10K, catering to various levels of trail runners. The course features rugged mountain t..

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..

The Badwater Salton Sea is an extreme 81-mile (130 km) ultramarathon held in Southern California, starting from Salton City below sea level and finishing atop Palomar Mountain at 5,500 feet elevation. The race features a challenging course with over 9,000 feet of elevation gain, including a steep si..

The Dingneng Wang event, held in San Diego, CA, is a memorial marathon formerly known as the PQ & GZ Trail Marathon. It takes place on the Los Penasquitos Canyon Trail, featuring a clockwise course with a total distance of a marathon (26.2 miles). The route includes a notable stop around mile 11 at..

The San Diego 100 is a challenging 100-mile ultramarathon held in the mountainous east county of San Diego, California, starting and finishing at Lake Cuyamaca Recreation Area near Julian. The course is a 90% single-track loop featuring rugged terrain with approximately 15,400 feet of elevation gain..

The O'Neill Park Trail Races take place in Trabuco Canyon, California, offering a variety of distances including 50k, marathon, 30k, half marathon, and 10k. Set within the scenic O'Neill Park, the event features spectacular trails that showcase the natural beauty of South Orange County. Known for it..

The Gorgonio View Trail Run takes place at Big Bear Mountain Resort's Snow Summit in Big Bear Lake, California. This scenic 10K trail race offers runners the chance to explore picturesque singletrack trails winding through high-altitude pine forests. The course features a mix of smooth paths and cha..

The Nanny Goat race, hosted at a private horse ranch in Riverside, California, offers a unique ultrarunning experience featuring distances of 6, 12, 24 hours, a 100-mile solo race, and a 24-hour relay for teams up to four runners. The course is a flat, one-mile loop on mostly dirt and grass with goo..

The Saddleback Marathon, held in Silverado, California, is a premier trail running event set in the scenic Saddleback Mountains within the Cleveland National Forest. Offering marathon, half marathon, and 10K distances, the race features challenging courses with significant elevation gains—4,244 feet..