 Joanna Evans akaberekwa musi wa25 Chikunguru 1997 mutambi wenhangemutange wekuBahamas uyo anonyanya kuita freestyle. Akakwikwidza kumitambo yeOlympic yezhizha ya2016 muRio de Janeiro mumakwikwi e200, 400, uye makwikwi emamita 800. Mumakwikwi emamita 200 ne400, akagadza zvinyorwa zvitsva zvenyika. 