 Nyorera kupfuurira kweiyi ndima - Pamakwikwi eOlympics a2016, Dwyer akatanga chirongwa ichi achiuya wechina mu400 freestyle achirasikirwa nemenduru kunyangwe achikwikwidza nekukurumidza kubva kunopisa. Dwyer akanga arizve chikamu cheUS 4 × 200 m freestylechikwata chakahwina ndarama, chichitungamirira mukubudisa tsvimbo mufainari kuvakwikwidzi Townley Haas, Ryan Lochte naMichael Phelps. Dwyer akahwinawo menduru yebronze mumakwikwi e200 m freestyle ega mushure mekumhanyisa kwekupedzisira, kuseri kwaSun Yang naChad le Clos. 