Mezue ahịrịokwu na-esonụ: N'ọnwa Eprel afọ 2016, a họpụtara McKeon ka ọ bụrụ onye so n'òtù egwuregwu ndị Australia ga-aga asọmpi Olimpik nke afọ 2016 nke a ga-eme na Rio de Janeiro, Brazil. A họpụtakwara nwanne ya nwoke David nke pụtara na ha abụọ bụ nwanne nwoke na nwanne nwanyị mbụ igwu mmiri n'egwuregwu Olympic maka Australia kemgbe John na Ilsa Konrads na 1960. N'egwuregwu Olympic nke 2016 ọ duru ndị 4 × 100 mita freestyle relay nke meriri ọla edo na oge ndekọ ụwa nke 3:30.65. McKeon gara n'ihu merie ọlaọcha abụọ dịka akụkụ nke 4 × 200 mita freestyle na 4 × 100 mita medley relays. Ọ bụ otu n'ime ndị mmeri ọla ọcha ise nke Australia na igwu mmiri na Rio, ebe o meriri ọla nchara na 200 mita freestyle na oge nke 1: 54.92. N'ime
Na 100 mita butterfly, ọ gbara onye nke isii.