Kerron Stephon Clement (born October 31, 1985) is Trinidadian-born track and field athlete who represents the United States and competes in the 400-meter hurdles and 400-meter sprint. He holds the indoor world record in the 400-meter sprint, having broken Michael Johnson's mark in 2005. Medal record: Olympic Games Gold 2008 Beijing 4x400 m relay Silver 2008 Beijing 400 m hurdles World Championships Gold 2007 Osaka 400 m hurdles Gold 2007 Osaka 4x400 m relay Gold 2009 Berlin 400 m hurdles Gold 2009 Berlin 4×400 m relay.