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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: 100 miles, 100K, 50 miles, 50K, and a 36-hour timed option. The course is a flat, fast river trail with approximately 75% shade, designed as out-and-back loops—ten for the 100-mile race and fewer for shorter distances. Aid stations are manned every five miles, with additional unmanned stations if temperatures exceed 85°F.

Finishers receive buckles, with special awards for top male and female runners. Strict cutoffs apply, and deferrals are allowed up to 30 days before the race. The event emphasizes endurance and community spirit. Visit the organization's website for the most recent information.

United States Kansas Junction City

Race information

Registration Facebook
36 hr
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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