Usain Bolt - 9.77 on Golden Spike 2009 in Ostrava, Czech Republic

Olympic champion and world-record holder Usain Bolt has run the 100 meters in 9.77 seconds to win the Golden Spike meet. Bolt was aided by a strong tail wind of 4.7 miles per hour on Wednesday, but said he was "happy I got under 10 seconds" and that "I'm just happy I ran injury free."