Usain Bolt, who won the 100 meters in 9.81 seconds, three-peated in the event, and has a chance to do the same in the 200 and the 400 relay.
Usain Bolt, who won the 100 meters in 9.81 seconds, three-peated in the event, and has a chance to do the same in the 200 and the 400 relay. David Goldman AP
Usain Bolt, who won the 100 meters in 9.81 seconds, three-peated in the event, and has a chance to do the same in the 200 and the 400 relay. David Goldman AP