Uploaded by czatletika on Aug 29, 2011
400m Men Semifinal 1 WC Athletics Daegu 2011LaShawn Merritt USA 44.76 Q Kévin Borlée BEL 45.02 Q Rabah Yousif SUD 45.43 Renny Quow TRI 45.72 Ramon Miller BAH 45.88 Yuzo Kanemaru JPN 46.11 William Collazo CUB 46.13 Erison Hurtault DMA 46.41