Trail Running Calendar United States 2025-2026

The Carolina Reaper Challenge is a fiery endurance race held at Riverwest Nature Preserve in Greenville, South Carolina. Participants can choose from a 50k ultra (12 loops), half marathon (5 loops), 5-mile race (2 loops), or a 12-loop relay for teams of 2-4. The course is a paved 2.62-mile loop feat..

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..

Kill Bill’s Oyster Dome Challenge is a challenging trail running event held at Blanchard Mountain, Washington. Participants can choose between a 25k or a 50k race, with the 50k consisting of two loops of the 25k course. The course features a tough ascent known as Kill Bill Hill, a tribute to local u..

Noche Trail Runs is a challenging night trail running event held at South Llano River State Park in Junction, Texas. The race features multiple distances including a 40-mile, 27-mile, half marathon, 13-mile ruck, and 5K, all set on wide rocky and single-track trails with approximately 1,000 feet of..

The Vero Beach Octopus Ultra, held in Vero Beach, Florida, is a unique ultramarathon featuring a central base with eight out-and-back "Octo-Arms" trails. Distances range from a 5K dash to a full 100-mile race, with options including 50K, 50-mile, 100K, and a mini-ultra. Runners can earn an Octopus B..

The Upper Grand River Trail Race is an annual 5K trail running event held at the Upper Grand River Metropark in Austinburg, Ohio. Now in its third year, the race features a primitive trail course that includes sections of cut field grass and uneven terrain, with potential mud spots after rain. The c..

Pinky’s Rock n Rolla is a unique 4-mile trail race held in Richmond Hill, New York, featuring actual hiking trails rather than bridle paths or gravel roads. The course, located in Forest Park, offers a challenging and scenic run through naturally carved terrain shaped by glaciation, including a 100-..

The McCall Trailrunning Classic is an annual trail running event held in the Payette National Forest near Burgdorf Hotspring, Idaho. Established in 2012, the race features two distances: a 30K and a 50K, both run on challenging alpine singletrack trails originally part of the IMTUF100 course. The 30..