Diana Nyad is among the older athletes running marathons, scaling mountains and otherwise putting the rest of us to shame.
Fauja Singh (102) -- He was in his 80s when he took up marathoning because he felt "more dead than alive" after his wife died. At the age of 102, he's still going strong. In January 2013, he took part in the Mumbai Marathon.
REUTERS/San Lorenzo soccer club/Handout
iStock / Alija
John F. Martin/General Motors
It's easy to upload your photos and/or videos on News8000.com. Once you do, we'll share your upload with the community!