End-Backyard Ultra

The END-BACKYARD Ultra is a unique endurance running event held in McLeod, North Dakota. The race features a 4.17-mile (6.7 km) loop course, with all participants starting each lap together every hour. Runners must complete each lap within the hour to continue; those who fail to start on time are eliminated.

The event continues until only one runner remains, making it a test of both speed and stamina. The race emphasizes endurance over individual lap times, tracking only the number of laps completed. The atmosphere encourages camaraderie, with eliminated runners welcome to cheer on competitors. Visit the organization's website for the most recent information.