Kammala jumla mai zuwa: A watan Afrilun 2016, an zabi Groves don wakiltar Ostiraliya a cikin mita 100 da 200 m butterfly, da kuma 4 × 200 m freestyle relay events a Wasannin Olympics na 2016 a Rio de Janeiro. Wannan shi ne wasanta na farko a gasar Olympics. Ba ta cancanci shiga wasan kusa da na karshe ba a gasar cin kofin duniya.
100 m malam buɗe ido, amma ya cancanci mafi sauri don wasan karshe na 200 m malam buɗe ido. Ta lashe azurfa, ta gama ne kawai da kashi uku cikin dari na na biyu a bayan Mireia Belmonte na Spain.