Iron Will Backroads

MAY
29
2027
A looped ultramarathon in Enterprise, KS featuring gravel and rail-trail terrain, manned aid stations, pacer rules, finisher buckles, and multiple distance options.
Sat 29 May 2027
100 miles 50 miles 50 kilometers

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Iron Will Backroads

Iron Will Backroads is a multi-distance ultrarunning event in Enterprise, KS, scheduled for May 29, 2027, and organized by Iron Will Racing. The event offers the following distances:

  • 100 Mile
  • 50 Mile
  • 50K

The 100-mile course is composed of 9 x 11.15-mile loops totaling 100.35 miles, with a manned aid station at mile 6 of each loop. The route follows gravel roads and a rail trail with very little asphalt; the rail trail section includes an active historic train along the trail. Pacers are allowed beginning on loop 6, with only one pacer at a time and a required waiver for all pacers.

Entry fees listed are $250 for the 100 Mile, $170 for the 50 Mile, and $135 for the 50K. All participants receive a tri-blend shirt and finishers receive buckles. Awards are given to male and female winners in each race. Shirts are guaranteed for entrants who register by 05/01/2026. The event offers 100% deferrals within 30 days of the event; no reason is required. Registration closes on Wed, May 26 at 11:59 PM CT. Visit the organization's website for the most recent information.

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