Olympic swimming is a tough event testing endurance and heart. It takes stamina and determination to become a world class swimmer. So who has won the most gold medals?
Mark Spitz holds that record by winning 9 total swimming gold medals in the summer Olympics.
Mark Spitz earned those medals in the Olympics for the years 1968 and 1972.
As a graduate on Indiana University, Mark Spitz holds a few Olympic records that stand to this day.