Older athletes who put you to shame

Published On: Sep 03 2013 10:19:53 AM CDT

Diana Nyad is among the older athletes running marathons, scaling mountains and otherwise putting the rest of us to shame.

Old Athletes - Dean Karnazes
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Narsil via Wikimedia Commons

Dean Karnazes (51) -- In 2006 he completed 50 marathons in 50 consecutive days, doing one marathon in each of the 50 states. His final marathon was the New York Marathon, which he completed in an impressive 3 hours and 30 seconds.

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