Iron Will Backroads

MAY
16
2026
Iron Will Backroads in Enterprise Kansas on May 16, 2026 features 50K, 100K and 100 mile gravel and rail trail loop courses with staffed aid and finisher buckles. Pacers allowed late; register by May 13 and April 23 for a guaranteed shirt.
Sat 16 May 2026
100 miles 100 kilometers 50 kilometers

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Iron Will Backroads - Enterprise, KS

Iron Will Backroads takes place on May 16, 2026 in Enterprise, Kansas. The event offers the following distances:

  • 100 Mile
  • 100K
  • 50K

Registration closes on May 13, 2026. A shirt is guaranteed for participants who register by April 23, 2026. Entry fees listed in the source are $125 for the 50K, $175 for the 100K, and $225 for the 100 Mile. The event permits 100% deferrals within 30 days of the event.

Course, support and results

The full course for the 100 Mile distance is 9 loops of 11.15 miles, totaling about 100.35 miles. Each loop has a manned aid station located at mile 6 of the loop. The route is on gravel roads and a rail trail, with very little asphalt. The rail trail portion runs alongside an active historic train.

Pacers are allowed beginning with Loop 6. Only one pacer is allowed at a time and all pacers must sign a waiver. No drop downs or distance changes are permitted after the race has begun. All participants receive a tri-blend shirt. Awards are given to male and female winners in each race, and finisher buckles are provided to all finishers. Visit the organization's website for the most recent information.

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