He has broken the world record 3 times. He first broke in in 2008.
On 16th August 2009 he ran 9.58s in Berlin.
he won on the 12 august.
9.58 sec
9.58 by Usain Bolt
Usain Bolt is the fastest man in the world and runs the 100m in 9.58 sec. by piemister
Usain Bolt with the 100m time of 9.58.
usain bolt!
Usain Bolt holds the world record for fastest 100m time.
Usain Bolt's 100 metres at 9.63 was a new Olympic Record
Bolt has run 45.28s for 400m.
Michael Johnson ran the fastest time of 43 seconds if you were wondering usain bolts fastest time then look for it on the Internet or YouTube
9.69secs done at the 2008 Beijing Olympics
usain bolt 9.58/greyhound 6.87/cheetah 5.95/yohan blake 9.69/light 0.03
9.58 seconds By Usain Bolt of Jamaica.
9.58 sec