Kammala wannan jumla: McKoy ya zo filin wasan motsa jiki na kasa da kasa a 1982 ta hanyar lashe lambar zinare a 110 m shinge da azurfa a 4 x 100 m relay a gasar Olympics ta Duniya a shekarar 1982.
Wasanni na Kasashen Commonwealth. A shekara mai zuwa McKoy ya gama na huɗu a gasar zakarun duniya ta farko kuma ya maimaita wannan wuri a wasannin Olympics na 1984.