Kammala wannan jumla: A watan Afrilu 2016 an zabi McKeon a matsayin wani ɓangare na tawagar 'yan wasan Australia don wasannin Olympics na 2016 da aka gudanar a Rio de Janeiro, Brazil. An kuma zabi dan uwanta David ma'ana ma'anar ma'aurata sune ɗan'uwa da 'yar'uwa na farko da za su yi iyo a Wasannin Olympics don Ostiraliya tun John da Ilsa Konrads a 1960. A Wasannin Olympics na bazara na 2016 ta jagoranci tseren tseren mita 4 × 100 wanda ya lashe lambar zinare a cikin rikodin duniya na 3:30.65. McKeon kuma ya ci gaba da lashe azurfa biyu a matsayin wani ɓangare na 4 × 200 mita freestyle da 4 × 100 mita medley relays. Ta kasance daya daga cikin 'yan Australia biyar da suka lashe lambar yabo a cikin iyo a Rio, bayan da ta lashe lambar tagulla a tseren mita 200 tare da lokacin 1: 54.92. A cikin
Ta kammala a matsayi na shida a tseren mita 100.