Trail Running calendar near Foothill Ranch 2025-2026

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 Paramount Ranch Trail Runs, held in Agoura Hills, California, offer a variety of race distances including 50K, marathon, 30K, half marathon, and 10K. Set on scenic trails within the historic Paramount Ranch, the event provides runners with a challenging and picturesque course. The race atmospher..

The Dirty December Trail Run, held in San Diego, California, is a festive holiday trail running event featuring multiple race distances: a full marathon, half marathon, 10K, and a unique 6-hour hill climb challenge. The course includes significant elevation gains—approximately 3,500 feet for the mar..

The Del Dios Trail Race will take place in Escondido on Sunday 4 January 2026. You can run between 5 and 50 kilometers.

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, 10-mile Summit Chase Challenge, 5-mile Valley run, stroller-friendly 5K, and a youth 1-mile race. T..

The Sean O'Brien event in Calabasas, California, offers multiple trail running distances including 100K, 50 miles, 50K, marathon, and 30K. The 100K race serves as a qualifier for the 2026 Western States 100. The course features scenic trail views with notable vantage points around miles 7 and 15, pr..

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, offers a scenic running experience through San Diego's wine country. Participants can choose from three distances: a relatively flat 10K, a Half Marathon, and a challenging 20-mile race. The longer courses feature a demanding out-and-..

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 distance options including a 100K (solo or 4-person relay), 50K (solo or 4-person relay), and a half marathon. The course is a l..

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 event takes place on scenic trails, providing runners with a beautiful and rugged outdoor experience along 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..

The Catalina Island Marathon, held annually in Avalon, California, is California’s oldest trail marathon and the State Off-Road Marathon Championship. The 48th edition in 2026 offers marathon (26.2 miles), 10K, 5K, and kids' runs, along with a Triple Crown Challenge combining multiple events. The co..

The Pirate's Cove 6/12/24 Hour Run/Hike is a timed 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..

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 state park boundaries, the course features single..

The Coast to Crest 10K and 5K is an annual trail race 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 rac..

The Billy Goat Mountain Climb is a challenging trail running event held in the Cleveland National Forest near Silverado, California. It offers three race distances: a 17-mile Silverado Loop, a half marathon, and a 10K. The courses feature significant elevation gain, with the Silverado Loop climbing..

The Oriflamme Trail Run is a challenging 50K event held in Julian, California, within the scenic Anza Borrego Desert State Park. The out-and-back course starts at the Sunrise Trailhead, following the Pacific Crest Trail north to Mason Valley Truck Trail before descending over 2,000 feet into the des..

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 Bedrock Valley Trail Runs, held at Diamond Valley Lake Marina in Hemet, California, offers a diverse trail running and gravel biking experience for all ages and skill levels. Events include a Trail Marathon, Half Marathon, 15k, 10k, various 5k races including a stroller-specific 5k, and a 1-mile..

The Annual NATRO@Noli Indian School Trail Race takes place on the Soboba Indian Reservation in San Jacinto, California. This event offers multiple distances including a marathon, half marathon, 5k, and a kids' 3k run/walk, with Native and Open divisions. The marathon features a challenging two-loop..