Human endurance is a powerful thing. Our athletes have been testing the outer limits of performance and possibility time and time again. But what is the average human capable of when faced with their toughest challenge yet?
Human endurance is a powerful thing. Our athletes have been testing the outer limits of performance and possibility time and time again. But what is the average human capable of when faced with their toughest challenge yet?
The best seller used by outdoor programs across the country as a resource and textbook.
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