 On 15 April 2016 Main ainzi somumwe vashanu Olympic debutants vari boka vasere vanoshambira kumiririra New Zealand panguva 2016 Summer yeOlympic muRio de Janeiro, Brazil, apo iye vakwikwidzana mune zvose 100m uye 200m Backstroke zviitiko. Main akahwina mujaho wake wevarume wemamita zana achirova musana nenguva yemasekonzi 53.99 kuti akwanise kuenda kumasemifinal. Akapedza ari wechi15 zvachose mumasemifainari aine nguva yemasekondi 54.29, asi haana kufambira mberi kusvika kumagumo. Mumakwikwi evarume emamita mazana maviri kumusanaMujaho mukuru wakakodzera wechi15 unomhanyisa kumasemifainari nenguva ye1:57.51 zvisinei nguva yake ye1:58.08 yakanga isina kukwana kuti apfuure kusvika kumagumo. 