Cika wannan jumla: Ta yi ikirarin sunayen 400 m a gasar
2010 na Amurka ta Tsakiya da Caribbean Junior Championships da 2010 CARIFTA Games, da kuma lambobin yabo hudu tare da Bahamas a cikin 4 × 100 mita relay da 4 × 400 mita relay. Miller-Uibo mai shekaru goma sha shida ya zama Bahamian na farko da ya zama zakaran mita 400 a gasar zakarun duniya na matasa a shekarar 2010 da kuma yarinya mafi ƙanƙanta da ta taɓa lashe gasar. Ta lashe lambar zinare a cikin lokaci na 52.52 ta hana Margaret Etim wanda ya gama na biyu a 53.05 (wannan shine mafi jinkirin lokacin cin nasara a tarihin taron).