Extreme North Dakota Sandhills Ultra Run Experience

The Extreme North Dakota Sandhills Ultra Run Experience (END-SURE) is a unique trail running event set in the scenic Sheyenne National Grasslands near Mcleod, North Dakota. Participants can choose from three distances: 25K, 50K, and 100K, making it accessible for various skill levels. The course features diverse landscapes, including open prairies, forested areas, and rolling sandhills, providing a challenging and picturesque running experience.

As North Dakota's first ultramarathon, END-SURE promises an unforgettable adventure for runners looking to test their limits in a beautiful natural setting. Visit the organization's website for the most recent information.