Iron Will 100 - Junction City, KS

Junction City, United States • 13 Sep 2025

The Iron Will 100 in Junction City, Kansas, is a challenging ultramarathon event featuring multiple distances: a 100-mile race, 50-mile, 50K, and a 36-hour timed event. The course is a flat, fast river trail with about 75% shade, designed as out-and-back loops—ten for the 100-mile, five for the 50-mile, and a combination of shorter loops for the 50K. Aid stations are located every five miles, with additional support if temperatures exceed 85°F. Finishers receive buckles, with special awards for top male and female runners. The event emphasizes endurance with strict cutoffs and no refunds, but offers deferrals for the following year. Visit the organization's website for the most recent information.

Race information

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