Ultramarathons in North Dakota, United States in 2027

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