Michael Phelps

The most decorated Olympian in history, Michael Phelps won 28 Olympic medals (23 gold) for the United States across 4 Games from 2000 to 2016. At the 2008 Beijing Olympics he won 8 gold medals in a single Games, surpassing Mark Spitz's 1972 record of 7, winning his 8th gold by 0.01 seconds in the 100m butterfly. Phelps held world records in 7 individual events simultaneously and is the only swimmer to win 4 consecutive Olympic gold medals in the same individual event.