Trail Running Calendar United States 2025-2026

Chase the Moon is a unique overnight ultramarathon held in Highlands Ranch, Colorado, featuring a 12-hour solo and team relay format under the full moon. The event offers various distances including 12-hour solo, 3- and 5-person relays, 6-hour and 3-hour solos, and a 50K race. Runners traverse a sce..

The Rails-to-Trails 5K in East Hampton, Connecticut, is a point-to-point race starting at the Connecticut Draft Horse Rescue and finishing at the Old Home Days grounds. The scenic course begins on Chestnut Hill Road, crosses Route 16, and continues along the shaded Air Line Trail for about two miles..

The Silverheels Trail Runs, hosted by the Human Potential Running Series, is a premier ultra running event held in Como, Colorado, at an average elevation above 10,000 feet. The event features multiple distances including 10-Mile, 19-Mile, 60k, 50-Mile, 100k, and 100-Mile races, with the 100-Mile an..

Dances with Dirt Devil's Lake is an exciting trail running event set in the stunning landscape of Devil's Lake, Wisconsin, known for its unique geological features. Scheduled for July 12, 2025, this midsummer adventure offers various race distances, including 10K, half marathon, full marathon, 50K,..

The Carolina Reaper Challenge is a fiery endurance race held at Riverwest Nature Preserve in Greenville, South Carolina. Featuring distances of 5 miles, a half marathon, a 50k ultra, and a 12-leg relay, runners tackle a paved 2.62-mile loop through rolling hills, wooden bridges, waterfalls, and rive..

Diablito Ultra, held at Tickfaw State Park in Springfield, Louisiana, offers challenging 50K and 50-mile trail races through diverse ecosystems including cypress swamps, hardwood forests, and river trails. The course features a 5-mile loop along the river, with potential wildlife encounters such as..

Run With The Wild is a family-friendly running event held at Seeley Creek Trails in Seeley Lake, Montana. The event features three fun run distances: a 10K trail run, a 5K, and a 1K, accommodating runners of all ages and abilities. The 10K trail run starts first, followed by the shorter distances.Pa..

The Ironstone 100K Ultra is a challenging 100-kilometer point-to-point ultramarathon held in the Allegheny Mountains of Pennsylvania. Starting at Canoe Creek State Park in Blair County and finishing at Greenwood Furnace State Park in Huntingdon County, the course traverses rugged trails including th..

The Mt. Hood Trail Runs, held near Timothy Lake south of Oregon's highest peak, offer three scenic trail race distances: 50 miles, 50K, and 25K. The 50-mile and 50K courses primarily follow the shaded Pacific Crest Trail, providing iconic mountain views, while the 25K loops around Clackamas and Timo..

The Follow the Flag 5K Trail Race, held in Pleasant Grove, Utah, is a patriotic running event supporting military and first responder families. The course features three distinct sections: a flat and fast first mile, a challenging uphill second mile, and a downhill final mile finishing alongside Gro..

The Goshen Gallop is an annual trail running event held at the Blueberry Hill Outdoor Center in Goshen, Vermont. Celebrating its 47th year, the race offers 5K and 10K distances along well-marked courses featuring rugged gravel roads and cross-country ski trails within the Moosalamoo National Recreat..

The Grin & Bear It is Crested Butte’s oldest trail challenge, held in Crested Butte, Colorado. The event features a 25 km loop run, a traditional 15 km out-and-back run, and a new 25 km mountain bike race introduced in 2025. The courses start and finish at the Crested Butte Nordic Center, showcasing..

The House of Hope Trail Blaze is a trail running event held at George Wyth State Park in Waterloo, Iowa. Scheduled for July 12, 2025, the race features scenic hard trails and offers three race options: a Team 10K relay with five participants, an Individual 10K, and an Individual 5K. The event provid..

The Donut Dash 10K in Moscow, Idaho, is a unique and fun running event hosted by Palouse Road Runners as part of their Summer 10k Series. Participants, either solo or in teams of 2, 3, or 6, complete six one-mile loops starting and finishing at the Palouse-Clearwater Environmental Institute (PCEI)...

The Waugoshance Trail Marathon, organized by Great Lakes Endurance, features a stunning course along the North Country Trail in Emmet County, Michigan. Participants can choose from three distances: a 50K, a full marathon, or a half marathon, all set against the backdrop of Lake Michigan's rolling bl..

The Haw Ridge Trail Race, held in Oak Ridge, Tennessee, features an 8-mile trail run and a Kids Trail Mile. The course begins and ends at the Haw Ridge Life Development Center, offering early climbs followed by flowing trails through Haw Ridge Park, including scenic stretches along the lake. The Kid..

The Teton Mountain Runs is a trail running event held at Jackson Hole Mountain Resort in Teton Village, Wyoming. It features three race distances: the Cody Peak 50K, Cirque 30K, and Wild 15K, taking place over two days in July. Runners experience world-class mountain trails within the Bridger-Teton..

The Ultramook 50k & 30k Trail Race takes place on the scenic Tillamook Ridge in Oregon's Tillamook State Forest and BLM lands. The event features two distances: a 30k loop and a combined 50k course made by running the 30k plus an additional 20k loop. Runners traverse a unique trail system of abandon..

The Herron Half Marathon Trail Run, held annually at Herron Park in Kalispell, Montana, features a half marathon, 10K, and 5K trail races, along with a kids' race. Now in its 13th year, the event takes place on the scenic Herron Park trail system, part of the 34-mile Foy’s to Blacktail Trails. The r..

The Deer Creek Half Marathon, hosted by Happy Trails Racing, takes place in Midway, Utah, starting and finishing at the scenic Soldier Hollow Campground. This 13.1-mile trail run follows well-maintained dirt paths along the beautiful Deer Creek Reservoir, offering stunning lake and mountain views. T..