Event location and theme
The race takes place at Turtle River State Park in Arvilla, North Dakota on October 26, 2025. It is a Halloween-themed trail running event held annually. Runners may compete solo or as part of a relay team and compl..
Experience North Dakota's first ultramarathon on April 25, 2026 in McLeod, ND, with 25, 50 and 100 km options along marked trails through the Sheyenne National Grasslands. Expect rolling sandhills, prairie and pockets of forest.
Otter Creek Trail Festival returns June 12 to 13, 2026 at Harmon Lake in Mandan, North Dakota featuring mountain bike, trail run and youth races for all abilities. Registration opens November 27, 2025 at midnight CST.
Run the Maah Daah Hey Trailrun through dramatic North Dakota Badlands with point to point courses finishing in Medora. Choose from short trail distances to epic ultras up to 116 miles for a scenic, rugged challenge.