<prompt> Bhala ukuqhubeka kwalesi sigaba - NgoJuni 30, 2012, waqeda endaweni yesibili ngemuva komfowabo ngamamitha ayi-100 kuma-2012 Nationals Track Field Championships eCalgary. Wancintisana kuma-Olympics asehlobo ka-2012 emncintiswaneni wamadoda we-4 x 100 metres relay  <response>: umcimbi nomfowabo uJustin. 