Ultramarathons in North Dakota, United States

Point-to-point ultra distances of 56 and 107 miles through rugged Badlands terrain, technical trail sections, rolling hills, and sweeping North Dakota vistas

Winding forest single track, flat double track, gentle North Dakota hills, 6- and 12-hour timed laps at Turtle River State Park

Repeated hourly loops on quiet, vehicle-free gravel roads in Cobscook Bay State Park, with a self-reliant, no-aid-station format.

Full Sheyenne National Grasslands course on the North Country Trail, featuring wide prairies, forest patches, and rolling sandhills near Fargo

Multi-day ultramarathon on one of the world’s longest single-track trails, featuring rugged, challenging terrain and self-supported navigation