Trail Running Calendar United States 2025-2026

The High Lonesome 100 is a challenging 100-mile trail ultramarathon held in the Sawatch Range of the Colorado Rocky Mountains, starting and finishing near Mount Princeton. The loop course features 23,500 feet of elevation gain, reaching a high point of 13,100 feet and averaging 10,600 feet in elevat..

The Pinetum Mind Games Endurance Event, held at Lowell Park in Dixon, Illinois, is a unique running challenge featuring a 0.411-mile loop course through the pine tree upper loop area. Participants can choose from 6, 12, or 24-hour solo runs or three-person relays, starting on a Friday evening. The e..

The Ouray 100 Mile Endurance Run is a challenging ultramarathon held in Ouray, Colorado, nestled in the scenic San Juan Mountains. Covering 100 miles with an elevation gain of approximately 41,862 feet, the course features fourteen significant climbs, including a final 5,000-foot ascent to the Bridg..

The Royal Gorge Whitewater Festival, held annually in Centennial Park, Cañon City, Colorado, is a vibrant celebration of whitewater sports and outdoor activities. The 16th edition features a variety of events including whitewater competitions, trail runs, and mountain bike rides suitable for all exp..

The Quail Ridge Farm Backyard Ultra will take place in Albion on Saturday 19 July 2025.

The Fire Trail Running Festival is a trail running event held near San Antonio, Texas, at Guadalupe River State Park. It offers multiple race distances including 8K, 25K, and 50K, as well as an 8K ruck option. The course features scenic grasslands and woodlands, running on rocky and dirt single-trac..

The Cherokee Ultra in Tellico Plains, Tennessee, is a challenging trail running event featuring two distances: 70K (46 miles) and 130K (84 miles). Set in the scenic Cherokee National Forest, the course offers rugged mountain terrain with significant elevation gains—over 10,000 feet for the 70K and 1..

The Powderhorn Mountain Ultra and Vert Challenge, held at Powderhorn Mountain Resort in Mesa, Colorado, is a demanding mountain running event featuring two main race options: a 12-hour or 6-hour ultra on a 10K loop with approximately 1,546 feet of elevation gain per lap, and a Vertical Challenge foc..

The Full Moon 25k/50k is an ultra trail running event held at Camp Ouachita Girl Scout Camp in the Ouachita National Forest near Perryville, Arkansas. Serving as the season kickoff for the Arkansas Ultra Running Association (AURA) Ultra Trail Series, the race features two distances: 25 kilometers an..

The Keuka Outlet Trail Half Marathon & 10K takes place in Penn Yan, New York, along the scenic Minnesetah River in the Finger Lakes region. The event features out-and-back courses for both the half marathon and 10K, showcasing picturesque waterfalls, historic abandoned mills, and well-maintained tra..

The Rise & Run 50k is an ultramarathon event held in Wellsboro, Pennsylvania, featuring an out-and-back course along the scenic West Rim Trail. This challenging 50-kilometer race offers runners a chance to experience the natural beauty of the area, known for its rugged terrain and picturesque views...

The Savannah Sultry Swamp Run, held in Savannah, Georgia, offers 5K, 10K, and 20K race options along the scenic Savannah Ogeechee Canal at 681 Fort Argyle Rd. This summer event is known for its intense heat and humidity, embodying the sultry coastal Georgia atmosphere. The course features a mix of s..

The 8-Hour Dream Endurance Race, held at Butler University's historic Hinkle Fieldhouse in Indianapolis, Indiana, is Central Indiana's largest endurance running event. Participants have eight hours to run, walk, or stroll as far as possible on two looped courses: a 5K long course and a 1.91-mile sho..

The Samar 4 and 8 Miler is a trail running event held in Memphis, Tennessee, on the scenic Wolf River Trails, part of the expansive Shelby Farms Park. The race offers two distances—4 and 8 miles—on mostly flat, runnable single-track trails suitable for beginners and experienced runners alike. The co..

The Rise & Run Ultra is a mountain trail race held in Wellsboro, Pennsylvania, along the scenic West Rim Trail in the Pennsylvania Grand Canyon. It offers two distances: a challenging 50K and a new 25K option, both featuring out-and-back courses. The event is known for its minimalist, back-to-basics..

The Audi Power of Four Trail Run is a scenic trail running event held in Aspen, Colorado, featuring routes across the mountains of Aspen Snowmass. Scheduled for July 19, 2025, the race offers three distance options: 50K, 25K, and 10K, catering to a range of trail runners. Participants experience div..

The Common Rush Trail Run is an annual trail running event held at Harris Lake County Park in New Hill, North Carolina. The race offers two distance options: a 5.5-mile single-loop course and a 10-mile two-loop course. The scenic routes feature lake views, open meadows, wide dirt roads, and forested..

The Big Butts race, hosted by the Mississippi Ultra and Trail Society (MUTS), takes place in Jackson, MS, at the Mississippi College Choctaw Trails pavilion. This trail event offers multiple distances: 100K, 100K Relay, 50K, and a returning 25K Fun Run. The course features 7.75-mile loops combining..

The Tahoe Rim Trail Endurance Runs, held in Carson City, Nevada, offer challenging trail races featuring spectacular views of Lake Tahoe and the Great Basin. In 2025, due to trail access issues, the event will include a 50K and a 14-mile race. The 50K course covers about 30 miles with significant el..

The Ode to Laz Michigan Backyard Ultra is a challenging endurance running event held at Holly State Recreation Area in Holly, Michigan. Participants run a 4.167-mile trail loop featuring about 350 feet of climbing, including technical single track and moderate hiking paths. Starting on trails, the c..