Iron Will 100 - Junction City, KS

Junction City, United States • 19 Sep 2026

Iron Will 100, Junction City KS

Iron Will 100 is a multi-distance ultrarunning event held in Junction City, Kansas, organized by Iron Will Racing. Distances offered are:

  • 100 Miler: 10 out-and-back loops on flat river trail, 75% shade.
  • 50 Mile: 5 out-and-back loops.
  • 50K: short out-and-back followed by three longer out-and-backs, 31 miles total.
  • 36 Hour: event option where participants earn awards for achieved mileage; no DNF classification.

The course is described as a flat, fast river trail with manned aid stations placed every 5 miles. Finisher buckles are awarded for all four events, with the 100 mile buckle the largest; top female and male finishers receive awards in each event. Time cutoffs are specified as 36 hours for the 100 mile, and 34 hours for both the 50 mile and the 50K.

Registration-related details include a shirt guarantee for those registered by August 27, and registration closing on September 16 at 11:59 PM CT. The event policy states no refunds, with deferrals to the following year allowed up to 30 days before the event. Event changes or drop downs are not permitted after races begin. Visit the organization's website for the most recent information.

Race information

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

A September trail event at Konza Prairie in Manhattan, KS offering 25K, 10K and a virtual race with early and later registration pricing.

A multi-day timed event in Abilene, KS with 12, 24 and 48 hour race options on a certified 1.8228 mile paved loop. Buckles are awarded at multiple distance milestones and runner lodging plus heated showers are included.

Iron Will Backroads in Enterprise, Kansas on May 29, 2027 offers 100.35 mile, 50 mile and 50K races on gravel roads and a rail trail, with looped aid, participant shirts, awards and a deferral policy.

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