Logo

Prairie On Fire Backyard Ultra

Noblesville, United States • 6 Sep 2025

The Prairie On Fire Backyard Ultra is Central Indiana's only official backyard ultra event, held at Koteewi Park in Noblesville, Indiana. The race features a unique format where runners complete a 4.167-mile loop every hour, starting at 8 am, with each loop beginning on the hour. Participants continue running loops until only one runner remains.

The course includes a mix of dirt and gravel trails through Koteewi Park and a paved out-and-back section along E 234th Street. The event welcomes runners of all levels, from those aiming to beat a 5K personal best to ultra-distance veterans. The 2025 race marks its 4th annual running. Visit the organization's website for the most recent information.

United States Indiana Noblesville

Race information

Website Registration
4 mi
4.167 Miles
Visit the organization's website for the most recent information.
Trail runs nearby

8-Hour Dream Endurance Race

Indianapolis - 20 mi from Noblesville

The 8-Hour Dream Endurance Race is a premier endurance running event held at Butler University in Indianapolis, Indiana. Participants have eight hours to run, walk, or stroll as far as they can, with options for both solo and team entries. The event features two course lengths: a long course (5K) an..

Teter Twilight Run for the Honey

Noblesville

The Teter Twilight 5k Run for the Honey is a community-focused running event taking place in Noblesville, Indiana. This cross-country style race features scenic wooded paths along the White River, making it suitable for runners, joggers, and walkers of all ages, including families with pets. Partici..

Royal Beast 12 Hour Run/Walk/Relay

New Palestine - 23 mi from Noblesville

The Royal Beast 12 Hour Run/Walk/Relay is held at Southeastway Park in New Palastine, Indiana. Participants can choose between a dirt trail or paved course, each featuring a 1-2 mile loop through a scenic, wooded park. The event offers a 12-hour solo run/walk or a relay team option, where team membe..

Dino Trail Run - Southwestway Park Indianapolis

Indianapolis - 20 mi from Noblesville

The Dino Trail Run at Southwestway Park in Indianapolis offers a challenging and scenic trail running experience along the White River. Participants can choose between a 5K or a 15K course, with the 15K consisting of a 5K lap followed by a 10K lap. The course features moderate hills and natural trai..