The gold medal winning exploits of Mark Spitz at the 1972 Olympics will forever be etched in folklore, and now he's unveiled what gave him the edge over his rivals.
Spitz left Germany has the hero of the Games, having won seven gold medals, and set seven new world records to boot. He'd previously won two gold medals at the 1968 Game in Mexico, and his efforts in Munich remained a record until compatriot Michael Phelps won eight titles in Beijing in 2008.
Spitz, now 72, attended Indiana University in the build-up to Munich so he could train with legendary Indiana Hoosiers swimming coach Doc Counsilman. His searing displays in training saw him dubbed 'Mark the Shark' by impressed teammates.
