<prompt> Bhala okuqhubekayo kwalesi sigaba - Emidlalweni yama-Olympic yase-U.S. ngo-2012 e-Omaha, eNebraska, umhlangano wokulungiselela iqembu lama-Olympic lase-U.S., uMcGill waba ngowesibili emncintiswaneni wamamitha ayi-100 ngesivunguvungu nesikhathi esingamasekhondi angu-51,32, ngemuva nje kukaMichael Phelps nangaphambi nje kukaRyan Lochte. Emidlalweni yama-Olympic asehlobo ka-2012 eLondon, uMcGill wabeka indawo yesithupha emncintiswaneni wamamitha ayikhulu  <response>: , futhi wathola indondo yegolide ngokubhukuda emidlalweni yokuqala yeqembu lase-US elinqobile emjahweni we-4 × 100 metres medley relay. 