Usain Bolt's 100m world record: Michael Johnson's reaction to it was iconic
Usain Bolt record collection: the sprint king's greatest hits
List of 100m, 200m, 400m, 800m, 1600 Meter World Records
However, Bolt did not set that record at the Olympic Games.
Justin Gatlin is one of the fastest men in history.
The previous Olympic record 3:18.