San Diego 100

The Windfall Full Moon Trail Run, held in Alpine, California, offers a unique nighttime trail running experience under the bright full moon. Participants can choose from four distances: 5K, 10K, 15K, and 30K, with courses marked by reflective markers on private single-track trails featuring varied t..

The Noble Canyon 50K and 15K is an annual trail running event held in the scenic mountains of east San Diego, California, specifically in Pine Valley. The races take place on runnable single-track trails within National Forest land, offering participants stunning views and challenging terrain. The 5..

The Cuyamaca 100K is an ultramarathon held in Cuyamaca Rancho State Park near Julian, California, about an hour east of San Diego. The challenging course features three distinct loops starting and ending at Camp Cuyamaca. The first loop covers 31.5 miles on the park's western side, including a climb..

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 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 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..