Although he concentrated on the technical events, he did occasionally compete in the only speed event of the era, the downhill (the Super-G was not run on the World Cup circuit until December 1982). His best finish in a downhill was a second place on the Hahnenkamm, Kitzbühel, Austria, in January 1975. After more than two minutes on the classic Streif course, he lost to the up-and-coming Austrian legend Franz Klammer by just one-hundredth of a second, a distance of about at . This event inspired the 1981 movie Un centesimo di secondo by Duccio Tessari, which featured Thöni himself.