Aired: Aug 5, 2010A daring superhero sets out on a perilous journey to India to unravel the mys...

Daniel meets Dean Karnazes, a renowned ultrarunner, who has astonished the world with his incredible feats, including running 50 marathons in 50 days and then retracing 1300 miles back to the starting point without succumbing to exhaustion.
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Seasons: 3
Network: History
Production Country: United States
Genres:Documentary