Cika wannan jumla: Mihalić ya shiga cikin
marathon a wasannin Olympics na bazara na 1960 a Rome, ya gama 12th, a cikin lokaci na 2: 21:52.6. Nasara ta uku kuma ta karshe a Cinque Mulini a 1961, jim kaɗan kafin ranar haihuwarsa ta 41, ita ce kuma babbar nasararsa ta ƙarshe a duniya. Mihalić ya yi ritaya daga wasanni a shekarar 1966 ta hanyar lashe tserensa na karshe, Kadinjača mini-marathon a Užice.