You wouldn't know it was there unless you saw it. Tucked in a wooded area just yards from Dale Mabry Highway, a group of people hit the obstacles at a high rate.
They're training for events similar to the Tough Mudder. And their training took place during rush hour traffic Monday morning.
Watch as Charley Belcher learns more about why they're passionate about the event.
FOX 13 / WTVT-TV
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