Booneville Backroads Ultra

SEP
5
2026
A rural ultra in Booneville, Iowa, running through the Bridges of Madison County with multiple distances. Organizers plan marked ultra courses, discounts for Trail Sisters members, and limited crew support to supplement aid stations.
Sat 5 Sep 2026
100 miles 100 kilometers 50 kilometers 10 kilometers

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Booneville Backroads Ultra

The Booneville Backroads Ultra is a set of races held in Booneville, Iowa, that follow rural backroads and pass through several of the Bridges of Madison County. The course includes thousands of feet of elevation gain and numerous hills; when wet, level B roads on the route can become especially rough.

Distances offered include:

  • 100 Miler
  • 100K
  • 50K
  • 10K

Organizers announced planned changes for upcoming races that affect the ultra distances. The 50K, 100K, and 100-mile courses will be marked while participants will still be required to carry cue sheets. Women who belong to Trail Sisters groups are eligible for a discount; the event is Trail Sisters-approved. Crew support will be allowed on the course with restrictions: one crew vehicle per participant or one crew vehicle per group. Crew support is intended to supplement existing aid stations, and specific rules for that support will be published by the organizers.

The event retains features described by the organizers such as unpredictable fall weather, rural communities along the route, and a grassroots organization approach. Registration closes on Fri, Aug 28 at 11:59 PM CT. Visit the organization's website for the most recent information.

100 mi
100 Miler
100 km
100k
50 km
50k
10 km
10k