Tuhia he tomokanga mo tenei rarangi - I te 2012 U.S. Olympic Trials i Omaha, Nebraska, te hui tohu mo te kapa Orimipia o te U.S., ko McGill te tuarua i roto i te kaupapa 100 mita butterfly me te waa 51.32 hēkona, kei muri tonu o Michael Phelps me te mua o Ryan Lochte. I nga Taakaro Orimipia o te Raumati 2012 i Ranana, i noho a McGill ki te tuaono o te 100 mita butterfly, ka whiwhi i te mētara koura ma te kaukau i nga waahanga tuatahi mo te tiima toa o te US i te relay 4 × 100 mita
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