4 3 . 3 ▁cred ited ▁as ▁the ▁ 7 th ▁( now ▁ 9 th ) ▁fast est ▁relay ▁spl its ▁in ▁history . ▁ ▁On ▁the ▁third ▁leg , ▁Tony ▁Mc Qu ay ▁passed ▁Michael ▁Math ieu ▁early ▁on ▁the ▁back ▁stretch ▁and ▁extended ▁the ▁lead ▁by ▁a ▁few ▁metres . ▁ ▁Mc Qu ay ' s ▁split ▁was ▁reported ▁to ▁be ▁ 4 3 . 4 . ▁ ▁Last ▁minute ▁fill ▁in ▁Ang elo ▁Taylor ▁took ▁the ▁b aton ▁in ▁the ▁lead , ▁but ▁Ram on ▁Miller ▁ran ▁up ▁to ▁maintain ▁contact . ▁ ▁Com ing ▁off ▁the ▁final ▁turn , ▁he ▁moved ▁past ▁Taylor ▁with ▁ 5 0 ▁meters ▁to ▁go ▁and ▁won . ▁Tr in idad ▁and ▁Tob ago ▁again ▁improved ▁their ▁national ▁record ▁in ▁winning ▁the ▁bronze . ▁It ▁was ▁only ▁the ▁third ▁time ▁an ▁American ▁team ▁had ▁been ▁be aten ▁in ▁the ▁Olympic ▁ 4 ▁× ▁ 4 0 0 ▁metres ▁relay . ▁ ▁Oscar ▁P istor ius ▁ran ▁the ▁anchor ▁leg ▁for ▁the ▁South ▁African ▁team , ▁but ▁they ▁were ▁already ▁well ▁be aten ▁before ▁he ▁received ▁the ▁b aton . ▁ ▁The ▁fifth ▁place ▁Russian ▁team ▁was ▁later ▁dis qual ified ▁when ▁two ▁of ▁its ▁members ▁received ▁do ping ▁b ans ▁in ▁ 2 0 1 7 ▁after ▁a ▁re - test ▁of ▁their ▁samples . ▁ ▁Records ▁, ▁the ▁existing ▁World ▁and ▁Olympic ▁records ▁were ▁as ▁follows . ▁ ▁The ▁Following ▁new ▁National ▁records ▁were ▁set ▁during ▁this ▁competition ▁ ▁Sch edule ▁