Between 19, Spitz won nine Olympic golds, a silver, and a bronze; five Pan American golds; 31 Amateur Athletic Union (AAU) titles; and eight National Collegiate Athletic Association (NCAA) titles.
During those years, he set 35 world records, but two were in trials and unofficial.
The 17-year-old California girl won gold at the 2012 Olympics in the women's 100m backstroke today!
This is her first appearance at the games after not qualifying for the 2008 games.
It features some of the sport’s biggest names, including Michael Phelps, Ryan Lochte and Missy Franklin, all vying for spots on Team USA.