Trail Running calendar near Big Bear 2025-2026

The Elevate Ultra Running Retreat is an immersive weekend experience designed for both novice and experienced ultra runners, taking place in the scenic Big Bear Lake, CA. Participants can expect over 50 miles of supported group training runs, technical clinics led by seasoned ultra runners, and oppo..

The Whiting Ranch Trail Races, set in the scenic Whiting Ranch Wilderness Park in Trabuco Canyon, California, offers a variety of race distances including 6k, 10k, half marathon, and 30k. Participants can enjoy challenging climbs and breathtaking views while navigating the beautiful trails of the Sa..

The Red Rock Wilderness Trail Run is a scenic 5k event taking place in the beautiful Red Rock Wilderness area, specifically at the Augustine Staging Area in Silverado, California. The course features a mix of fire roads and single track trails, with an elevation gain of 300 feet. Participants can ex..

Elder Creek Night Runs is an exciting running event set in the beautiful desert landscape of Anza, California, under a full moon. Participants can choose from various distances, including 50K, 30K, 13 Miler, and 9 Miler, all on a scenic 4.6-mile looped course featuring single track trails and dirt r..

The Mt. Baldy 5000 is an exciting 5K running event set against the stunning backdrop of Mt. Baldy Resort.Scheduled for July 12, 2025, this challenging uphill course is designed for runners of all skill levels, offering breathtaking views and a unique mountain experience. Participants can look forwar..

The Harding Hustle is an exciting trail running event set in the scenic Cleveland National Forest of Orange County, California. Participants can choose from three challenging distances: 50K, 30K, and 15K, all of which traverse the Harding Truck Trail, offering stunning views and steep climbs. The ev..

The SoCal Summer 6K/12K, organized by Pasadena Running Company, is a vibrant trail running event set in Lower Arroyo Park, Pasadena. Participants can choose between two distances: a 6K and a 12K trail run, both designed to showcase the area's beautiful interconnected trails. The event features a wav..

The Riley Park Trail Races, set in the scenic Thomas F. Riley Wilderness Park in Coto de Caza, CA, offers a variety of race distances including a 30k, half marathon, 10 miler, 10k, and 5k, as well as a unique 6-hour challenge. This family-friendly event promises a fun and challenging experience with..

The Green Valley Lake Half Marathon, along with 5K and 10K events, is scheduled for August 2, 2025, in the scenic San Bernardino Mountains. Participants will enjoy a picturesque course that begins with a flat loop around the lake, followed by a gradual ascent with a 400-foot elevation gain, offering..

The Angeles Crest 100 Mile Endurance Run, established in 1986, is a prestigious ultramarathon that traverses the scenic San Gabriel Mountains in California. This challenging point-to-point race covers a diverse terrain with elevations ranging from 1,135 to 9,300 feet, offering participants a unique..

The Saddleback Wilderness 5k Trail Run is an exciting running event set in the scenic Saddleback Wilderness, located in Orange, California. Scheduled for August 6, 2025, this race features a 5k course that includes both fire roads and single-track trails, with an elevation gain of 300 feet. Particip..

The Mount Baldy Run to the Top is a challenging 7-mile trail race that ascends from 6,000 feet to the summit of Mount Baldy, reaching an elevation of 10,064 feet. Celebrating its 60th year, this iconic Southern California event not only tests runners with a steep 4,000-foot gain but also serves as a..

The Gypsum Canyon Wilderness 5k is a trail running event set in the scenic Gypsum Canyon Wilderness in Anaheim, California. Participants will navigate a 5k course featuring fire roads and single track trails, with an elevation gain of 350 feet. The race includes one aid station providing water and e..

That's No Moon Ultras is a challenging trail running event set in the scenic Cleveland National Forest and Santa Ana Mountains in Southern California. Participants can choose from three distances: 50 miles, 50K, and 30K, all featuring demanding courses with significant elevation gains and technical..

J Treequinox is a unique 12-hour running event held on a private 20-acre desert property near downtown Joshua Tree, California. Designed for both novice and experienced ultra runners, participants can tackle the course at their own pace, completing one-mile laps. The event features a festive aid sta..

The Angeles National Forest Trail Race, celebrating its 20th anniversary, offers both 25K and 50K race options on September 27, 2025, starting and finishing at the iconic Mt. Wilson Observatory. Set in the scenic San Gabriel Mountains, the 25K features a challenging 3,500 feet of elevation gain, whi..

The HOKA Kodiak Ultra Marathons by UTMB is a thrilling two-day running event set in the picturesque mountain town of Big Bear Lake, California. Participants can choose from five different race distances, each offering a unique experience through diverse landscapes, including high desert and sub-alpi..

The Cahuilla Rez Ultra is a unique running event held on the Cahuilla Indian Reservation in Anza, California, featuring various race options including a 100-mile, 24-hour, 12-hour, 6-hour, and a half marathon. This event serves as a fundraiser for the tribe's Youth and Family Programming, promoting..

The Pasadena Trail Half Marathon is a premier running event hosted by Pasadena Running Company, featuring challenging routes that highlight the scenic trails of Pasadena. Scheduled for October 19, 2025, this event offers three distance options: a Half Marathon, 10K, and 5K, catering to runners of al..

The Machete Trail Madness 100 Miler is a challenging ultramarathon event held in Lake Perris, California, featuring a 100-mile, 50-mile, and 10-mile race. Scheduled for October 31, 2025, this event is known for its tough course, with a 10-mile loop that includes 2,300 feet of elevation gain per lap...