Ku dhammaystiro weedha soo socota: McQuay wuxuu xubin ka ahaa US
Kooxda 4 × 400 mitir ee isugeynta ah oo u soo baxday finalka iyada oo leh waqtiga labaad ee ugu dhakhsaha badan (2:58,38), oo ka dambeysa Jamaica. Finalka, Mareykanka wuxuu noqday horyaalka Olombikada waqtigii 2:57,30, Jamaica ayaa kaalinta labaad galay, Bahamasna kaalinta saddexaad. McQuay wuxuu helay billaddiisii labaad ee Olombikada. McQuay oo tartankiisa 400-ka mitir ku kala baxay 43.5 sida uu ku warramay afhayeenka Ato Bolden.