Mezue nkebi ahịrịokwu a: Na February 1952, Klopfer gara asọmpi Olimpik nke oge oyi e mere n'Oslo, Norway, ma bụrụ onye nke anọ n'egwuregwu ahụ. Asọmpi ikpeazụ ya bụ
1952 World Championships na Paris, France. O ritere ọlaọcha n'azụ du Bief wee laa ezumike nká n'asọmpi.