Meyerhoff's Mayhem

October 16th 2026
Cedar Falls, IA
48 Hours

Meyerhoff's Mayhem is an endurance event. 4 miles every 4 hours for 48 hours, with an optional 2-mile add-on after the last leg. It is a minimal support race. There will be some food and water provided but plan to support yourself. 
T-shirts for participants and volunteers
Medals for finishers

Upcoming Races

Oct 16 2026
48 Hours
Multiple Loop
3 Elevation Rating
Hilly, ~2500-7500 feet in 50 miles
3 Surface Rating
Some rocks, root, and/or ruts

Results

48 Hours

Date Finishers Top Result (F) Top Result (M)
10/17/25 Results Not Available Submit Results
10/18/24 Results Not Available Submit Results
10/27/23 Results Not Available Submit Results

Weekly Newsletter

A roundup of the week's content and most recent race results. Sent once a week on Thursday.

Recent Results

Silverheels Trail Runs
Fairplay, CO - 52 finishers
60 KM
Devil's Gulch
Wenatchee, WA - 82 finishers
100 Miles | 50 Miles
Thumbs Up Summer Slam
Estes Park, CO - 0 finishers
12 Hours
Dances with Dirt - Devil's Lake
Baraboo, WI - 166 finishers
50 Miles | 50 KM
Carolina Reaper Challenge
Greenville, SC - 80 finishers
50 KM
Eastern Legend
Gilmer, TX - 5 finishers
50 KM
First Blaze Trail Race
Milton, ON - 70 finishers
50 KM
Spaulding Woods 50K
Northfield, NH - 52 finishers
50 KM
Kaslo Wild Ultra
Kaslo, BC - 52 finishers
52 KM
Get Your Butt Kicked @ Route 66
Eureka, MO - 37 finishers
6 Hours
View All Results