Usain Bolt World Record 9.72 100m
Usain Bolt sets a new World Record of 9.72 seconds in the 100 meters at the Reebok Grand Prix on May 31, 2007 in New York
Tyson Gay, 9 69 in Shanghai 2009!
American sprinter Tyson Gay runs 100 m in 9.69 in Shanghai! Its a new American record and equal to the second fastet time ever!