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 available at the start and end of each loop, offering typical and hot foods, with additional water stops if temperatures exceed 80°F. Pacers are permitted from the sixth loop onward. Participants receive tri-blend shirts and finisher buckles, with awards for male and female winners in each race. Visit the organization's website for the most recent information.

Race information

100 mi
100 Mile
100 km
100k
50 km
50k
Visit the organization's website for the most recent information.
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