Diana Nyad is among the older athletes running marathons, scaling mountains and otherwise putting the rest of us to shame.
BKS Iyengar (94) -- The founder of Iyengar yoga, he's considered one of the foremost yoga teachers in the world and can still bend his body any which way he wants to.
Enrique Castro-Mendivil / Reuters
U.S. National Archives
REUTERS/ Stefano Rellandini
U.S. Air Force
iStock / damircudic
Warner Bros. Television
It's easy to upload your photos and/or videos on News8000.com. Once you do, we'll share your upload with the community!