Career
In domestic competitions, Bernreuther represented the sports clubs Bachelor of Science DJK Würzburg and later Turn- und Sportverein Bayer 04 Leverkusen.
In domestic competitions, Bernreuther represented the sports clubs Bachelor of Science DJK Würzburg and later Turn- und Sportverein Bayer 04 Leverkusen.
At the 1968 European Indoor Games he won a silver medal in the 4 x 364 metres relay, together with Horst Daverkausen, Ingo Röper and Martin Jellinghaus. At the 1972 European Indoor Championships he won a silver medal in the 4 x 360 metres relay, together with Rolf Krüsmann, Georg Nückles and Ulrich Reich. He became West German indoor champion in 1969 and 1970.