Prairie On Fire Backyard Ultra

SEP

12

2026

Test your limits at the Prairie On Fire Backyard Ultra in Indiana. Runners must complete a 4.167-mile loop every hour until only one remains. The course mixes dirt trails and paved paths in a unique, continuous endurance challenge.

Sat 12 Sep 2026

Noblesville, Indiana

Website Registration

Backyard Ultra Loop

Always double-check with the organizer's website! This page may contain affiliate links.

Event Overview

The Prairie On Fire Backyard Ultra is a timed running event following the Backyard Ultra format. The event is scheduled to take place at White River Campground in Noblesville, Indiana.

Course and Format

The race begins at 8:00 AM. Participants must complete a 4.167-mile loop within one hour. Upon successful completion, runners line up again at the top of the next hour to repeat the loop. This cycle continues until only one runner remains.

The course for the 2026 edition is planned to feature a dirt and gravel day loop through Koteewi Park, followed by a paved trail out-and-back section along E 234th Street. The event organizer notes the course will be identical or very similar to the previous year's routes.

Participation

The event is open to all runner experience levels. In 2025, the event saw more than 20 runners complete distances exceeding 100 miles. Visit the organization's website for the most recent information.

4 mi

Backyard Ultra Loop