Janet Evans competed in three Olympics and won four gold medals. She will never forget passing the torch to Muhammad Ali to light the Olympic Flame at the Atlanta 1996 Olympic Games.
Jean Driscoll got into wheelchair racing in college and became a five-time Paralympic gold medalist. She won two gold medals in the marathon and also won seven consecutive Boston Marathons.
Diagnosed with Graves' disease, sprinter Gail Devers nearly needed her feet amputated. But she recovered to win three gold medals and competed in five Olympic Games.
Matt Biondi was a late bloomer before finding his stride and leaving his mark as one of the most accomplished swimmers of all time, with eight Olympic gold medals, two silvers and one bronze.