Iron Will 100 - Junction City, KS

Junction City, United States • 19 Sep 2026

Iron Will 100 - Junction City, KS

The event in Junction City, KS at 5203 N HWY 57 offers four ultrarunning options and a 36 hour timed event on a river trail course. The course is described as flat and fast with approximately 75% shade. Manned aid stations are located every 5 miles.

Distances and formats:

  • 100 Mile: 10 out-and-back laps on a flat river trail, 75% shade.
  • 50 Mile: 5 out-and-back laps.
  • 50K: One short out-and-back plus three longer out-and-backs for about 31 miles.
  • 36 Hour: Continuous timed option with mileage-based awards.

Cutoffs and awards are specified for each distance. The 100 mile has a 36 hour cutoff. The 50 mile and the 50K each have 34 hour cutoffs. Finishers in all four events receive finisher buckles, with the 100 mile buckle being the largest. Awards are given to the top female and male finishers in each event.

Registration and policies: registration closes Wed, Sep 16 at 11:59 PM CT. Participants registered by August 27 are guaranteed a shirt; extras may be available after that date but sizes are not guaranteed. There are no refunds; deferrals to the following year are allowed up to 30 days before the event. No event changes or drop downs are permitted after racing has started. For the 36 Hour format there are no DNFs and awards correspond to mileage achieved. 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

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Multi-day endurance event in Abilene, KS with 12, 24 and 48 hour options on a 1.8228 mile certified paved loop. Buckles are awarded at 50K, 50M, 100K, 100M, 150M and 200M; lodging and shirts are included for the runner.

Iron Will Backroads in Enterprise, KS features 100 mile, 50 mile and 50K options on gravel roads and a rail trail with an active historic train. The looped course includes a manned aid station each loop and finisher buckles for finishers.

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