Hosszú ya lashe lambar zinare a gasar Olympics ta 2016 a Rio de Janeiro kuma ya kafa tarihin duniya a tseren mita 400
, ya lashe lambar zinare kuma ya karya rikodin wasannin Olympics a tseren mita 200 na mutum, kuma ya lashe lambar zinare ta uku a tseren mita 100 a baya. Ta kuma lashe lambar azurfa a tseren mita 200 a baya bayan Ba'amurke Maya DiRado. Tare da lambar zinare 3 da azurfa 1, Hosszú ya lashe lambobin yabo a cikin wasanni daban-daban fiye da kowane mai iyo a Wasannin Olympics na 2016.