Meyerhoff's Mayhem

OCT
16
2026
Meyerhoff's Mayhem is a 48 hour endurance event in Cedar Falls with 4 mile laps every 4 hours, team relays, on course food, apparel and medals for finishers.
Fri 16 Oct 2026
48-Hour Individual 48-Hour Team Relay

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Meyerhoff's Mayhem

  • 48-hour Individual
  • 48-hour Team Relay (2 to 4 people)
  • 4 mile legs every 4 hours for 48 hours; optional 2 mile add-on after final leg

Meyerhoff's Mayhem is an endurance running event held at Big Woods Campground in Cedar Falls, Iowa. The format consists of repeated 4 mile legs over a 48 hour period; teams may divide the legs among members as they choose. Ruck participants may carry weight of their choice. Halloween costumes are encouraged.

The route starts from the tent area and uses paved trails and a disc golf course to provide a mix of terrain. Personal lights are required for runs in the dark. Pets are not allowed on the running course.

Event provisions include light meals and water at specified legs, with a sample menu that may change. Typical provisions listed include veggie broth, energy balls, GU energy products, donuts, bagels, fruit, sandwiches, chips, soup, pasta salad and other simple items. Participants receive race sweatshirts, volunteers receive t-shirts, and medals are awarded to finishers.

Registration availability is listed with a closing date of October 15, 2026. The event follows a no refund policy. The event is dedicated to the memory of an individual who loved running and endurance challenges. Visit the organization's website for the most recent information.

48-Hour Individual
48-Hour Team Relay
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