Trail Running Calendar United States 2025-2026

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..

Rise & Run Ultra is a mountain trail race held in Wellsboro, Pennsylvania, along the scenic West Rim Trail in the Pennsylvania Grand Canyon. The event offers two distances: a challenging 50K and a new 25K option, both featuring out-and-back courses with minimal aid—one aid station and one water drop..

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 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..

The Lucky Bucket 5K Off-road Run is a popular event held at Eugene Mahoney State Park in Ashland, Nebraska. Scheduled for July 19, 2025, this race features a 5-kilometer course that utilizes the park's new cross-country course and trail systems, offering an off-road running experience. Participants..

The Lake Macbride Trail Races, held in Solon, Iowa, offer challenging 50K and 25K trail runs around Lake Macbride State Park, Iowa's largest state park. The course features one or two loops starting and finishing at the Macbride Spillway parking area. Runners experience a mix of crushed limestone tr..

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 Three Corner Rock PCT Trail Races, held near Carson, Washington, offer two stunning point-to-point trail runs along the Pacific Crest Trail from the South Washington Cascades to the Columbia River Gorge. The event features a classic 50K race starting at Whistle Punk Trailhead and a new, challeng..

Capt'n Karl's Trail Series - Colorado Bend is a trail running event held in Bend, Texas, at Colorado Bend State Park. Scheduled for July 19-20, 2025, the race offers multiple distances including 60K, 30K, 20K, 10K, 5K, and a youth 1-mile trail run for children 12 and under. The course features rugge..

The Dawn of Time Fun Run™ is a family-friendly event held at the Lubbock Lake Landmark Interpretative Center. Participants can choose between a 5K or 3K distance, running or walking along a caliche gravel trail that starts and ends at the Interpretive Center. The course winds through Yellow House Dr..

The Jim Bridger Trail Run, held annually in Bozeman, Montana, offers a classic trail running experience with two main events: a challenging 10-mile trail run and a 5k fun run. The 10-mile race features 2,838 feet of elevation gain through the scenic foothills of the Bridger Mountains, including clim..

The CandleLight 12/24 Hour - Overnight Ultra and Relays is an endurance running event held at Rochester Rotary Sunshine Camp in Rush, NY. Participants can choose from 12-hour or 24-hour solo races or join 12-hour and 24-hour relay teams. The course is a mostly paved 1-mile loop with a gentle downhil..

The Red Fox Trail Run 10K takes place at French Shelter Park in Cincinnati, Ohio, featuring a challenging off-road course with 331 feet of elevation gain. The race consists of two loops of a 5K trail route winding through wooded areas, meadows, and alongside a fossil-rich creek. This event is part o..

The 21st Annual Bear River Crawl is a 5K run/walk held in Petoskey, Michigan, with all proceeds benefiting the Northern Michigan Cancer Crusaders. The scenic course follows one side of the Bear River, crosses a footbridge, and continues along a gravel trail hugging the river. The final mile offers s..

The Devil Path is a challenging trail run held in the Catskill Mountains, Shandaken, NY. Covering approximately 22 miles with an elevation gain of around 9,000 feet, this rugged traverse includes multiple steep ascents and descents across several peaks. Known as one of the toughest trails in the Nor..

The Lake Michigan RTS is a unique 10K race held in Laketown Township, Michigan, along the scenic Lake Michigan shoreline. This challenging event combines road, trail, and sand running, featuring hilly trails and steep dune inclines, making it ideal for road racers, trail runners, and adventurous par..

The Little Blackfoot is a trail running event near Elliston, Montana, offering 30K and 15K distances. Both races start at the Little Blackfoot Meadows trailhead near Kading Campground and follow an out-and-back course. Runners begin together, crossing two wooden bridges over a creek before reaching..

The Crow Pass Crossing is a challenging 22.6-mile trail race held in the scenic Girdwood/Eagle River area of Alaska. Known for its rugged terrain, the course features notable landmarks such as the Raven Glacier and a glacier moraine, offering runners a demanding and picturesque experience. The event..