This is fascinating...........9 year old kids today are running faster than Medalist in 1896.
http://www.nytimes.com/interactive/2012/08/05/sports/olympics/the-100-meter-dash-one-race-every-medalist-ever.html?smid=fb-share
Olympic Bodies: They Just Don't Make Them Like They Used To
http://www.npr.org/blogs/health/2012/08/09/158448224/olympic-bodies-they-just-dont-make-them-like-they-used-to (http://www.npr.org/blogs/health/2012/08/09/158448224/olympic-bodies-they-just-dont-make-them-like-they-used-to)
(http://media.npr.org/assets/img/2012/08/09/sprinters_custom.jpg?t=1344497240)
(http://media.npr.org/assets/img/2012/08/09/marathon_custom.jpg?t=1344497212)
(http://media.npr.org/assets/img/2012/08/09/weightlifters_custom.jpg?t=1344497231)
(http://media.npr.org/assets/img/2012/08/09/rowers_custom.jpg?t=1344497217)
(http://media.npr.org/assets/img/2012/08/09/swimmers_custom.jpg?t=1344497235)
(http://media.npr.org/assets/img/2012/08/09/gymnasts_custom.jpg?t=1344497206)