The 1988 Olympics were the clear highlight of Matjaž Debelak’s career. Never having placed higher than fifth in a World Cup, he won the bronze in the large hill competition, later adding a silver medal with the Yugoslavian team. These performances earned him the Slovenian athlete of the year award. Between 1985 and 1990, Debelak’s best performance in a World Cup event was fifth (on two occasions), and he also came sixth at the 1989 World Championships (normal hill). Poor results in the 1990 season led him to retire.