Usain Bolt made 100m world record with untied shoes
Jamaican sprinter Usain Bolt broke the world record and won the 100 metres gold medal at the 2008 Beijing Olympics with his shoelaces untied. He completed the race in 9.69 seconds and went on to better his world record the following year with a timing of 9.58 seconds. The Jamaican sprinter celebrated his 30th birthday on Sunday.