The first person wins the 100m and 200m sprint in back to back Olympics
Usain Bolt won the 100 metres gold medal with a time of 9.63 seconds, improving upon his own Olympic record. He followed this up with a successful defence of his Olympic 200 metres title with a time of 19.32 seconds. With this, Bolt became the first man in history to defend both the 100 m and 200 m Olympic sprint titles.