Ingawanis Endurance Challenge

Waverly, United States • 11 Apr 2025

The Ingawanis Endurance Challenge is an exciting running event set in the scenic Ingawanis Adventure Base in Waverly, IA. Participants can choose to complete a 6-mile loop, with the option to run or hike for a duration of four hours. The course features a mix of mature forests, rocky ridges, and riverside trails, with a total elevation gain of approximately 1,000 feet per loop. This self-supported challenge encourages participants to carry their own gear and fuel. Registration is available for a fee, and camping options are offered for those looking to extend their adventure. Visit the organization's website for the most recent information.

Race information

6 mi
1000 m+
6 Miles
Visit the organization's website for the most recent information.
Trail runs nearby

Event format Meyerhoff's Mayhem is a 48-hour endurance event featuring repeated short legs. Participants complete 4 miles every four hours for the 48-hour period, with an optional 2-mile add-on after the final leg. 4 miles repeated every 4..

Event details The Critter is set for Wednesday, December 31, 2025, at 2482 Grand Ave, Waverly, IA, held at Ingawanis Adventure Base. Registration closes on December 28. Distances and options: 12-hour 8-hour 4-hour 10K (single loop) Timed..