USA wins 4 X 400m relay at 2013 Moscow World Championships

1 USA United States USAUSA 2:58.71 WL
2 JAM Jamaica JAMJAM 2:59.88 SB
3 RUS Russia RUSRUS 2:59.90 SB
4 GBR Great Britain & N.I. GBRGBR 3:00.88
5 BEL Belgium BELBEL 3:01.02
6 TRI Trinidad and Tobago TRITRI 3:01.74
7 BRA Brazil BRABRA 3:02.19
8 AUS Australia AUSAUS 3:02.26