From 1948 to 1957 Günther Ziegler drove bike races as an amateur, his club was the RV 89 Schweinfurt . From 1953 to 1955 he was German champion in the team time trial . In 1956 Günther Ziegler took part in the Olympic Games in Melbourne and drove the sprint and the tandem race (with Fritz Neuser ), but could not place himself in the front. He was German champion in the team time trial five times with the team of RV 1889 Schweinfurt .
From 1957 to 1964 Ziegler was a professional and as such one of the strongest German track cyclists. His special disciplines were the sprint and two-man team driving . In 1961 he was German sprint champion, and German runner-up in 1962 and 1964. He won a total of eleven national titles. In 1961 Günther Ziegler took second place at the European championship in two-man team driving, together with Sigi Renz . He started in 38 six-day races ; In 1960 he won that in Essen with Hans Jaroscewicz .
Ziegler was awarded the Silver Laurel Leaf by Federal President Theodor Heuss . After the end of his active cycling career, he opened a bicycle shop in his birthplace Dittelbrunn and was active as a trainer at RV 89 Schweinfurt .