Zimmerer and Utzschneider won nine medals at the FIBT World Championships with four golds (two-man: 1973, 1974; four-man: 1969, 1973), three silvers (two-man: 1970, four-man: 1970, 1975), and two bronzes (four-man: 1971, 1973). They also collected 10 medals at the European championships, including five golds: in two-man in 1968, 1972, and 1973, and in the four-man in 1970 and 1973.