Trail Running calendar near Big Bear 2025-2026

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 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 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 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 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 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 is part of a series of trail runs organized by AllWeDoIsRun, known for creating races on the scenic Ca..

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 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..

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 course features over 9,000 feet of elevation gain and includes a challenging mix of road and st..

The O'Neill Park Trail Races, held in Trabuco Canyon, California, offer a scenic and challenging trail running experience in South Orange County's beautiful O'Neill Regional Park. The event features multiple race distances including 10K, half marathon, 30K, marathon, and 50K, catering to a wide rang..

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

The Nanny Goat is an ultrarunning event held at a private horse ranch in Riverside, California, featuring distances of 6, 12, 24 hours, a 24-hour relay, and a 100-mile race. The course is a flat, one-mile loop on mostly dirt and grass with good footing and wide trails for easy passing. Participants..

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..