Events
Race Directors

Back 9 Endurance Run

May 29th 2027
Copper Harbor, MI
Website
Registration
Results
12 Hours | 24 Hours
Submit a correction

Back 9 Endurance Run Race Results

12 Hours

Date Finishers Top Result (F) Top Result (M)
05/23/26 9 33.12 58.88
05/24/25 5 55.2 33.12
05/25/24 3 47.84 40.48
05/27/23 12 40.7 51.8
05/28/22 9 58.72 62.39
05/29/21 6 57.6 46.8
05/16/20 Race Cancelled

24 Hours

Date Finishers Top Result (F) Top Result (M)
05/23/26 7 51.52 103.04
05/24/25 5 66.24 110.4
05/25/24 3 88.32
05/27/23 10 66.61 85.1
05/28/22 4 62.39 62.39
05/29/21 3 72 46.8
05/16/20 Race Cancelled

Weekly Newsletter

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

Recent Results

River of No Return Endurance Runs
Challis, ID - 164 finishers
108 KM | 55 KM
Lowells Loop
Pleasant Hill, OR - 9 finishers
Backyard
Tenderfoot Boogie
Squamish, BC - 95 finishers
50 KM
Two Hearted Trail Run
Paradise, MI - 71 finishers
50 KM
Two Hats One Mile
Big Rapids, MI - 1 finishers
Backyard
Catamount Ultra
Stowe, VT - 170 finishers
50 KM
Golden State 50K
Salinas, CA - 86 finishers
50 KM
Denali 135, 100k & 50k
Paxson, AK - 70 finishers
135 Miles | 100 KM | 50 KM
Black Mountain 50k
San Diego, CA - 121 finishers
50 KM
Wicked Worm
Grand Rapids, MI - 33 finishers
12 Hours | 6 Hours
View All Results