At the beginning and at the end of his career Gregor Braun was one of the best track cyclists in the world. At the Olympics 1976 in Montreal, which took place during his first years in professional cycling sport, he was one of the famous »Kilian-Vierer«. At these Olympics, he won Gold at the individual and team performance for Germany. After that Gregor Braun changed to the professionals and won in 1978 the one day classic »Rund um den Henninger Turm«. In 1980 he won the Tour of Germany. At the Giro D`Italia in 1981 he could wear the pink tricot, which he passed further on the next day to his teammate und captain Francesco Moser. In his only Tour de France participation he, unfortunately, gave up premature after his first stage. In 1983 he succeeded in a stage win at the Giro d`Italia. At the end of his professional career he took successfully part at a lot of six-days-races.