Trail Running Calendar United States 2025-2026

The Habanero Hundred is a major trail running event held annually in August at 7IL Ranch near Cat Spring, Texas. It offers multiple race distances, including 100 miles, 100K, 50K, marathon, half marathon, 10K, and relay options for 100M and 100K. The race features a challenging course on the Yellow..

The One Mile With a Smile 12 Hour Endurance Run is a flexible race held at Oak Grove Lake Park in Chesapeake, VA. Participants can run as much or as little as they wish within a 12-hour period, completing laps on a 1.5-mile unpaved, flat loop that offers scenic views of the lake, forest, and wildlif..

The Jug End Loop Ultra is a 6-hour ultra running event held at Jug End State Reservation in Egremont, Massachusetts. Participants run multiple laps of a challenging 4.2-mile course featuring woods, fields, and an apple orchard, with an elevation change of 830 feet per lap, split evenly between uphil..

The Jackrabbit Jubilee is a fixed-time ultra running event held at the historic Nardini Manor in Buckeye, Arizona. Participants can choose to run for 6 or 12 hours on a flat, fast, and custom-built 500-meter crushed gravel loop that winds around the century-old estate's grounds. The course is USATF..

The Continental Divide Trail Run is a trail racing event held in Steamboat Springs, Colorado, on August 23, 2025. It offers three race distances: a 5-mile, a 16-mile, and a 50K ultramarathon. The courses feature scenic views of aspen and pine forests, with significant elevation gains—over 3,500 feet..

The Terrible Twelve is a 12-hour self-supported trail running event held at the Warhill Nature Trail in Williamsburg, Virginia. Participants run or walk as many 3.7-mile loops as possible on a crushed gravel course featuring rolling hills and scenic views, though personal lighting is required for ni..

The Three Rivers Marathon Swim, hosted by Team Forever, is a unique 30K open water swimming event taking place in Pittsburgh, PA. Scheduled for August 23, 2025, this marathon swim benefits the Forever Fund, which supports local families facing costs related to infant cardiothoracic surgery at UPMC C..

The Dark Horse Trail Series features a range of running events, including a marathon, half marathon, and 10k, set in the scenic Tryon International Equestrian Center in Mill Spring, North Carolina. Scheduled for August 23, 2025, this event invites both seasoned and novice runners to experience the b..

The Hell Creek Half & 50K is a challenging trail running event held at Wilson State Park in Sylvan Grove, Kansas, on August 23, 2025. The race features two distances: a 50K and a half marathon, both taking place on the rugged Switchgrass Mountain Bike Trail. The course offers stunning views of Wilso..

The Wild Turkey Trail Runs, hosted by the West Virginia Mountain Trail Runners, take place at Valley Falls State Park near Fairmont, WV. This free event offers a variety of distances including 50 miles, 50K, 25K, 10 miles, 5 miles, and shorter options, all run on a challenging 10-mile figure-8 loop..

The Oregon Cascades 100 is a challenging trail race held in Sisters, Oregon, featuring a 100-mile course with approximately 10,700 feet of elevation gain and 11,200 feet of loss. The race starts in Bend and finishes in Sisters, offering scenic single-track trails, rugged terrain, and stunning views..

The Winona Forest Backyard Ultra is a unique endurance running event held in Mannsville, NY, designed for runners of all abilities. Participants complete a 4.167-mile loop every hour, with the challenge of being the last runner standing. Runners must return to the starting line within the hour to co..

The Sunflower Trail Run is an annual running event held in Buhler, Kansas, featuring a scenic course through over 20 acres of beautiful sunflowers. Participants can choose from various events, including a competitive 5K, a non-competitive 5K, a 1-mile run/walk, and a virtual 5K option. All runners r..

The Tree Trail Trot is a scenic 5K trail run set in the picturesque Salamonie Lake area, part of Indiana's Department of Natural Resources State Parks. Participants will enjoy a beautiful course that winds through gently rolling, wooded trails, starting and finishing at the Wildlife Management Pond..

The Elephant Rock Trail Run is an annual trail running event held in Mueller Park, Bountiful, Utah, featuring four race distances: 7 miles, 13.8 miles (half-marathon), 26.8 miles (full marathon), and a challenging 50K. The courses traverse scenic and rugged terrain in the Wasatch Mountains, includin..

The Cirque Series race in Alta, Utah, is a challenging 7.1-mile mountain trail run featuring 2,545 feet of vertical gain. The course starts at Goldminer's Daughter base (8,650 ft) and ascends through subalpine forests and alpine meadows, passing landmarks like Alf’s mid-mountain restaurant and Cecre..

The Powder Keg Trail Run is a popular event scheduled for August 23, 2025, at Carter Park in Kings Mills, Ohio. This trail run is part of the Dirt Days Trail Series and features a scenic 3.5-mile course that includes various terrains, such as trails near the Little Miami River and an old dam. Partic..

Run The Hawk Trail Run takes place at the historic Blackhawk Ski Club in Middleton, Wisconsin. This endurance event features 3, 6, and 12-hour challenges where participants complete as many laps as possible on a scenic 2.25-mile loop with 345 feet of elevation gain per lap. The course includes diver..

The Camden Trail Races take place at Camden State Park in Lynd, Minnesota, featuring scenic trails along the Redwood River within the Coteau des Prairies plateau. The event offers three distances: 3 miles, 7 miles, and a combined 10-mile race. The courses start and finish near the south parking lot..

The ScoCo50 is a trail running event held at Scott County Park near Long Grove, Iowa, featuring 50K, 10-mile, and 5-mile races. The course includes a mix of wooded and prairie trails with gentle elevation changes, designed to be beginner-friendly yet challenging for seasoned runners. The event empha..