Iron Will Backroads
Enterprise, United States • 16 May 2026
Iron Will Backroads is an ultramarathon event held in Enterprise, Kansas, featuring 50K, 100K, and 100-mile race distances. The course consists of 7.7-mile loops on a mix of gravel and asphalt roads, with 50K runners completing 4 loops, 100K runners 8 loops, and 100-mile runners 13 loops. A full aid station is located at the start and end of each loop, offering typical and hot foods, with additional water stops if temperatures exceed 80°F. Pacers are allowed for the 100-mile race starting from the sixth loop. All finishers receive tri-blend shirts and finisher buckles, with awards for male and female winners. Visit the organization's website for the most recent information.