Nyorai mberi kweiyi ndima - Oleksiak aizokwikwidza nechikwata cheCanada chekushambira kumaOlympics eRio 2016 mumakwikwi mashanu. Makwikwi ake akatanga pazuva rokutanga. Mukupisa kweshiri yemamita 100
, akaputsa rekodhi yenyika uye rekodhi yepasi rose yevechidiki nenguva ye56.73 munzira yake kuenda kuma semi fainari. Oleksiak akabatawo chikamu chekupedzisira chevakadzi 4 × 100 m freestyle relay timu naTaylor Ruck, Chantal van Landeghem, Sandrine Mainville, naMichelle Williams neyekupedzisira chete kushambira mukupisa. Mumakwikwi okupedzisira emutambo wenhabvu, akabata nzvimbo yechitatu achipesana neUnited States neAustralia, achikunda menduru yekutanga yeCanada yeOlympic mumutambo wenhabvu yevakadzi mumakore makumi mana. Pashure pomutambo wacho, ane makore 16 okukura akati, "Hapana munhu akanga achitarisira chaizvoizvo kuti Canada yaizouya mumutambo wacho, asi zvino zvatiri pano, vanhu vachashamiswa nezvatinoita".