Pedzisa mutsara unotevera: Pazuva rechina remakwikwi, Chitatu Chikumi 16, 2021, Dressel akaiswa pachinzvimbo chechishanu kubva kune ese prelims heat mu100 metres freestyle swimming aine 48.25 uye achienderera mberi kuenda kuma semifinals. Mumakwikwi ekupedzisira mumasikati ezuva rimwe chetero, Dressel akaiswa panzvimbo yekutanga nenguva ye47.77 uye akapfuurira kusvika kumagumo. Pazuva rechishanu, 17 Chikumi 2021, Dressel akakunda 100 m freestyle nenguva ye47.39 uye akamukodzera kuchikwata cheUS Olympic Swimming mu
100 m freestyle uye 4×100 m freestyle relay ye2020 Summer Olympics. Akaenzanisa rekodhi yeUS Open uye rekodhi yeChampionships yemamita zana akasununguka nekushambira kwake. Iyi yakanga iri Mitambo yeOlympic yechipiri iyo Dressel akakwanisa kukwikwidza.