Athletes in some Olympic sports can remain competitive well past their 30s.
Karen Hultzer, 46, began practicing archery only five years ago and became her country’s national champion the following year. (Paul Gilham / Getty Images)
At 71, Japan’s Hiroshi Hoketsu is the oldest athlete to compete in the 2012 Olympics. (John Macdougall / AFP / Getty Images)
Canada’s Jacqueline Brooks, 44, who is competing in the equestrian dressage event at the 2012 Olympics, had not been born when rival equestrian Hiroshi Hoketsu entered his first Olympics, the 1964 Tokyo games. (Mike Clarke / AFP / Getty Images)