Extreme North Dakota Sandhills Ultra Run Experience

Event Details

The Extreme North Dakota Sandhills Ultra Run Experience (END-SURE) is a trail ultramarathon held in the Sheyenne National Grasslands, approximately 45 minutes southwest of Fargo, North Dakota. The event features three race distances: 25K, 50K, and 100K. The 100K course typically takes in the entire length of the Sheyenne National Grasslands section of the North Country Trail, featuring sections of wide open prairie, pockets of forest, and rugged, rolling 'sandhills'.

Registration and Participation

Online registration closes at 23:59:59 on the Wednesday of race week. There is no race-day registration. Participation is capped at 120 total entrants. The event is part of the UMTR Ultra Series, and UMTR members receive a 15% discount on entry for the 50K and 100K races.

Additional Information

All event profits support Ground Up Adventures, a 501(c)(3) non-profit based in North Dakota dedicated to helping kids experience adventure. Visit the organization's website for the most recent information.