In 1951 he qualified for what was then the A-class for amateurs in Switzerland. In 1952 Peter Tiefenthaler became Swiss champion in team pursuit on the track (with Edi Vontobel , Georges Frei and René Strehler from the Zurich Cyclist Club ), 1953 Swiss amateur champion in the sprint and third in the Zurich championship ( Metzgete ) among the amateurs. He had his first international start in Mannheim in 1952 , where he won the Sprinter Prize there. The following year he took second place at the Metzgete and was again Swiss amateur sprint champion. He twice won the Omnium Championship in the Zurich Hallenstadion . In February 1955 he won the International Sprinter Championship in Berlin on the Werner-Seelenbinder-Halle track. In the same year he joined the professionals . In 1958 he won the eighth stage of the Tour de Suisse . In 1963 he won the Swiss championship title of stayers and took fourth place at the 1963 UCI track world championships in Liège . In 1964 he was again the Swiss standing champion, sixth at the standing World Cup in Paris and third at the European championship in two-man team driving , together with Lucien Gillen from Luxembourg .
↑ The European championships before the founding of the " European Cycling Union " (UEC) in 1995 are considered unofficial, since up to this point they were usually invitation races in which mixed-national teams and non-European riders could also take part.
If known, with details of the pacemaker. In years not listed, the championship was not held, in a few years for amateurs and stayers together ("open"), since 1993 open.