Championnats du monde de vol à ski
Competing in two Winter Olympics, he won a silver medal in the team large hill competition at Calgary in 1988. Ulaga also won a silver medal at the FIS Ski-Flying World Championships 1988 in Oberstdorf. His best finish at the FIS Nordic World Ski Championships was sixth in the individual large hill event at Seefeld in 1985. He had nine world cup victories between 1981 and 1988.