Iron Will Backroads

MAY
16
2026
A rural ultramarathon in Enterprise, KS featuring 50K, 100K and a 100 Mile race on gravel roads and a rail trail with a manned aid station per loop. Pacers allowed from loop 6; shirts, awards, and finisher buckles are included.
Sat 16 May 2026
100 miles 100 kilometers 50 kilometers

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Iron Will Backroads

Iron Will Backroads is a multi-distance ultrarunning event held in Enterprise, KS at 3rd & Bluff. The course for the 100 Mile race is composed of nine 11.15-mile loops totaling 100.35 miles, with a manned aid station located at mile 6 of each loop. The surface is primarily gravel roads and a rail trail, with very little asphalt; the rail trail section runs alongside an active historic train.

Distances offered include:

  • 100 Mile - 100.35 miles (9 x 11.15 mi loops), $225
  • 100K - $175
  • 50K - $125

Pacers are permitted starting on Loop 6; only one pacer at a time is allowed and all pacers must sign a waiver. No distance drop-downs or changes are allowed after the race has begun. All participants receive a tri blend shirt; registration by 04/23/2026 is required to be guaranteed a shirt. Awards are given to male and female winners in each race, and finisher buckles are provided to all finishers. The event offers 100% deferrals within 30 days of the event without requiring a reason. Registration closes on Wed, May 13 at 11:59PM CT. Visit the organization's website for the most recent information.

100 mi
100 Mile
100 km
100k
50 km
50k
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