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The Critter

Name: The Critter
Start: 2025-12-31
End: 2025-12-31
Location: Waverly

Waverly, United States • 31 Dec 2025

The Critter is an endurance running event in Waverly, Iowa, at the Ingawanis Adventure Base. It offers multiple timed options for ultrarunners: 4-hour, 8-hour, and 12-hour formats. While the specific course details aren’t listed, the venue suggests a trail-focused, rugged setting typical of ultramarathons.

The event is promoted on Ultrasignup with a registration deadline of December 28, 2025. The listing highlights a focused, endurance-oriented atmosphere and the ability to register through the organizer’s page. The mix of durations and rural Iowa location appeal to runners seeking a long-duration challenge in a natural, outdoor environment. Visit the organization's website for the most recent information.

United States Iowa Waverly

Race information

Website Registration

12 km

12hrs

8 km

8hrs

4 km

4hrs

Visit the organization's website for the most recent information.

Trail runs nearby

Friday Oct 17

Meyerhoff's Mayhem

Cedar Falls - 13 mi from Waverly

2 mi

4 mi

Meyerhoff's Mayhem is an endurance event held at Big Woods Campground in Cedar Falls, Iowa. The format consists of 4-mile runs every 4 hours across a 48-hour period, with an optional 2-mile add-on after the last leg. The course starts at the tent area and uses a mix of paved trails and a nearby disc..