The Rostock rowers succeeded in a dismal performance: With three consecutive Olympics, he secured one gold medal, once in two and twice in the coxless four. He was recruited by the Stasi and run as IMS "Charlie". In contrast to the IM ( unofficial employees) he was in charge as IMS in addition to the assurance of a social area or object, namely the control of high-performance athletes with a different thinking.
Brietzke came in 1967 after a television appeal for rowing and was just three years later (1970 ), together with Wolfgang skimmed the European Junior Champion. At the Olympic Games in Munich in 1972, he won gold in the coxless pairs. In 1974 he became a student at the German College for Physical Culture ( DHfK ). In the years 1974, 1975, 1977 and 1979 he was World Champion in the coxless four. In 1978 he became vice world champion in this discipline. At the 1976 Olympic Games in Montreal, he won gold in the coxless four.
In the following Olympic Games in Moscow in 1980, he again won gold in the quad, and finished after his active career. Until 1988, he worked as a coach at SC DHfK Leipzig. From 1981 to 1990 he was a member of the Olympic Committee of the GDR until 1993 and a member of the FRG -NOK. After the reunification, he was Wegerechtler initially worked in Hamburg and Kassel, later in Schwerin.
Brietzke carries the honor clasp of the Patriotic Order of Merit of the GDR in gold. As it turned out after the turn, many of his athletic achievements were achieved with doping.