Trail Running Calendar United States 2025-2026

The Old West Trail Runs feature a 50K, marathon, and half marathon, set against the stunning backdrop of Anza Borrego Desert. Participants can enjoy a scenic and runner-friendly course with manageable elevation gains, making it suitable for both seasoned runners and newcomers. The event promotes a f..

The Mesquite Canyon Trail Runs, scheduled for March 8, 2025, in Waddell, AZ, offers a variety of challenging race distances including a 50 Miler, 50K, 30K, half marathon, 8K, and a Kid's Fun Run. Participants will navigate rugged single-track trails featuring steep climbs, descents, and stunning des..

The Santa Barbara Nine Trails is a trail running event organized by AllWeDoIsRun, set against the stunning backdrop of California's Central Coast. Participants can choose between two distances: a challenging 35-mile course and a shorter 17-mile option. This event is designed for runners of various s..

The Llama Experience Ultra is a unique running event taking place in Lake Toxaway, NC, featuring 12-hour, 6-hour, and 3-hour race options. Participants will enjoy a scenic trail on the private land of Earthshine Lodge, where they can run loops while interacting with friendly llamas. The event includ..

The Georgia Grit Trail Run takes place at the scenic Georgia International Horse Park, known for its well-maintained trails and history as the site of the 1996 Olympic Mountain Biking competition. Participants will navigate a challenging 10K course featuring a mix of technical and flowing terrain, w..

The Southern States 200 is a unique endurance event featuring the only known point-to-point 200-mile mountain trail race east of the Rockies. Set along the scenic Pinhoti Trail, the race spans from near Dalton, Georgia, to the summit of Mt. Cheaha, Alabama's highest point, with a total elevation gai..

The Trail Trashed Ultra is an exciting running event set in Henderson, NV, featuring various trail distances including a 50k, marathon, half marathon, 10k, and 5k. Participants can enjoy stunning views of Las Vegas and the surrounding landscapes while navigating adventurous and challenging trails. T..

The False Spring Trail Runs is an exciting running event taking place in LaPorte, Indiana, featuring challenging courses through scenic, wooded trails. Participants can choose between a 10K and a Half Marathon, with the latter also offering a relay option. The event is known for its unpredictable we..

The Skunk Ape 806/314 Trail Race is an exciting running event taking place on March 22, 2025, in Lowell Park, Dixon, IL. Participants can choose between two challenging distances: 33.75 miles to be completed in 8 hours and 6 minutes, or 13.5 miles in 3 hours and 14 minutes. The race features a uniqu..

The Grasslands Trail Run takes place in the Lyndon B. Johnson National Grasslands, covering over 20,000 acres of scenic trails in Alvord, Texas. This event features multiple race distances, including a 100-mile, 50-mile, marathon, half marathon, and 15K, all utilizing a variety of trails that wind t..

The Arizona Monster 300 is an extreme 309-mile point-to-point trail run through the stunning Sonoran Desert in Southern Arizona. This challenging course features a diverse terrain, including 84% single-track trails, with significant elevation changes totaling over 41,000 feet of gain and 42,000 feet..

The Bad Ass Backyard Ultra, held at Dry Creek Parkway in Rio Linda, CA, is a unique running event where participants complete 4.16-mile loops within one hour. Runners must be ready at the start corral for each new loop, which begins on the hour. The event, originally a casual gathering in 2023, beca..

The Nanny Goat event, now postponed to May 23-24, 2026, is a unique running experience held at a private horse ranch in Riverside, CA. Participants can choose from various race formats, including 6-hour, 12-hour, 24-hour, and a 100-mile challenge, with the goal of completing as many laps as possible..

The Elkhorn Crest 50 is an exciting ultra-running event set in the stunning Elkhorn Mountains of Oregon, featuring a challenging 50-mile and a 50K course. Participants will experience breathtaking views while navigating through sub-alpine forests and grasslands, with significant elevation changes, i..