Nguva yakatevera, kunyange zvazvo yakanga izere nokukunda pamisangano yakasiyana-siyana, Kozakiewicz akapotsa atadza kuwana menduru pamakwikwi makuru maviri enyika dzakawanda. Kutanga akauya wechishanu pa1978 European Indoor Championships muMilan, uye ipapo, akabatwa nechirwere, wechina pa1978 European Championships
muPrague. Kuita kwokupedzisira kwakarangarirwa sekurasikirwa kukuru nesangano uye akapiwa imwe hafu yegore kusabvumirwa.