Trail Running Calendar United States 2025-2026

The Clear Creek Ultra, held in Crystal Springs, Mississippi, is a unique 10-hour running event focused on fun and community rather than competition. For a $25 entry fee, participants can camp on-site, enjoy food and drinks, and run on a challenging one-mile single-track loop featuring creek crossing..

The TreeTops 8.5 Mile Trail Race is held annually in DuPont State Recreational Forest near Brevard, North Carolina. This challenging trail race covers 8.5 miles with nearly 1,000 feet of elevation gain, offering runners a scenic experience through 10,000 acres of rolling hills and towering trees. Li..

The Over the Rainbow Runs is a trail running event taking place in Kanab, Utah, featuring a 10K and a Half Marathon. Set against the stunning backdrop of the bluffs above the town, the races aim to create a friendly and inclusive atmosphere, encouraging participants to enjoy a "Saturday morning with..

The Lion King Backyard Ultra is an ultramarathon race held at Lions Club Park in Rolla, Missouri. Participants run a 4.167-mile trail loop every hour, day and night, with no predetermined end time. The race continues until only one runner completes a lap more than all others, crowning the last finis..

The FSR 100 is a challenging 102-mile mountain road race held in Tennessee and North Georgia. Starting at Thunder Rock Campground in Copperhill, TN, the course features rugged mountain scenery, rivers, and fall foliage, with nearly 15,000 feet of elevation gain. The race is designed for experienced..

Soul Crusher is a challenging trail running event held in Crystal Lake, Illinois, offering 5-mile and 10-mile distances. The course, designed by Jeff Lenard, is known as the toughest 5-mile loop in the Midwest, with runners able to complete one or two loops depending on their endurance. The race sta..

The Little Pine 5 Miler is a beginner-friendly trail race held at Little Pine State Park in Waterville, Pennsylvania. The race covers approximately 5.5 miles on the scenic Lakeshore Trail loop, offering a welcoming atmosphere for runners, hikers, and walkers of all ages and skill levels. Organized b..

The Man Against Horse Race, held annually in Prescott, Arizona, is a unique endurance event where runners and horses compete simultaneously on the same challenging courses. The main race is a 50-mile loop featuring approximately 7,300 feet of elevation gain and loss, summiting Mingus Mountain at 7,6..

The MuleSkinner Endurance Races take place in Upper Black Eddy, Pennsylvania, featuring distances of 50 miles, 50K, marathon, and half marathon. The course primarily follows the scenic, non-technical towpaths along the Pennsylvania side of the river, offering beautiful views and an easy trail experi..

The Elden Ridge Run is a half marathon trail race held near Flagstaff, Arizona, starting at the Sandy Seep Trailhead. The course features scenic views of meadows and ponderosa pines, with a challenging climb up Elden Lookout trail to the summit of Mt. Elden.Runners then descend through varied terrai..

The Bohemian Alps Endurance Runs, held annually in Brainard, Nebraska, feature challenging courses through scenic rural landscapes of Butler and Saunders counties. The event offers a 50K ultramarathon and a half marathon, both consisting of rolling hills on gravel and dirt roads, bike trails, and cr..

The Delaware Trail Fest, held at Lums Pond State Park in Bear, Delaware, is a trail running event celebrating the state's scenic outdoor trails. It offers multiple race options including 12 KM and 24 KM trail runs, as well as a 12-hour Lone Wolf solo challenge and a 12-hour 4-person relay. The cours..

The Ghost Train Trail Races, held in Brookline, New Hampshire, is the state's original 30-hour ultramarathon event along the historic Granite Town Rail Trail. Participants can choose from multiple race distances including a 30-hour ultramarathon, a 30-hour 7-person relay, a 30-mile night race, a 15-..

The Uwharrie 100 Mile Trail Run, held in the Uwharrie National Forest near Troy, North Carolina, is a challenging ultramarathon featuring a 20.5-mile figure-8 loop of technical trails with roots, rocks, and dense forest canopy. Participants in the 100-mile race complete five loops, while 100K runner..

The Palo Duro Trail Run, held in Palo Duro Canyon, Texas, is a celebrated trail running event marking its 40th anniversary in 2025. Offering three distances—25K, 50K, and 50 miles—the race features a challenging looped course with varied terrain including rolling singletrack, sand, and rock, along w..

The Delirium Ultra 24 Hour Run is an endurance race held in Beaufort, South Carolina, featuring a 1.62-mile closed-loop trail course through scenic Lowcountry woods. Participants can compete in 6, 12, or 24-hour timed events, with the winner being the runner who covers the greatest distance. The cou..

The Monster Dash is a 5K trail run taking place in Carolina Beach State Park, North Carolina, designed to celebrate Great State Trails Day. This event aims to raise funds for young runners, promoting fitness and community engagement. Participants can enjoy the scenic trails while supporting a good c..

The Blue Sky Trail Marathon and Half Marathon are scheduled for October 18-19, 2025, in Fort Collins, Colorado. The event features a scenic course through trails between Horsetooth Mountain Park and the Devil’s Backbone Open Space, offering a mix of dirt singletrack, rocky terrain, and gravel paths...

The Longview Trail Runs - Fall is a trail running event held in Longview, Texas, on October 18, 2025. Participants can choose from four race distances: 5K, 10K, 15K, and 20K. The event takes place at the Maude Cobb Convention Center and features a scenic trail course.Races are scheduled to start in..

The Pumpkin Holler 100-Mile event, held annually in the scenic J.T. Nickel Preserve near Tahlequah, Oklahoma, offers multiple race distances including 100 miles, 100K, 50K, 25K, and a 10-mile run. Set in the largest privately protected conservation area in the Ozarks, the course features gravel coun..