It's never too late to start working out...

bokodasu

...so you might as well start today. Dude starting going to the gym at 98, now curls 40 lbs at 102.

http://www.washingtonpost.com/local/fit-at-102/2013/03/12/786a7e96-8346-11e2-b99e-6baf4ebe42df_story.html