Calvin Smith a 4x400m relay pool USA..gold in the Men's 4x400 Metres Final during day three of the 14th IAAF World Indoor Championships at the Atakoy Athletics Arena on March 11, 2012 in Istanbul, Turkey...5th at 2008 Olympic Trials; 2006 World Junior Championships ..4x100m relay gold medalist; 2007 NACAC 400m champion