World Championship 400m Hurdles final

American Kerron Clement stormed to a surprise g... (more) Added: August 28, 2007 American Kerron Clement stormed to a surprise gold in the men's 400-meter hurdles at the world championships on Tuesday. The 21-year-old ran a superb last 200 meters, clocking the year's quickest time of 47.61 seconds, with Olympic champion Felix Sanchez taking silver for the Dominican Republic in 48.01.