Ottawa Lake Recreation Area
Dousman, WI 53118
Click here to see current race results, including race times and winners of The North Face Endurance Challenge Series.
SEE YOUR RESULTS
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NOTE: sign up for alerts will not be active until September 14, 2018
TRACK A RUNNER
Find and purchase photos of your Endurance Challenge race from UltraRacePhotos.com, the Official Race Photographer of the Series.
Take the post-race survey and tell us about your experience so we can continue to improve the event.
TAKE THE SURVEY