Great Britain V. Germany Professional Cycle Racing and Olympic Trials at Herne Hill: Sid Patterson, the popular Australian Rider, being congratulated by German Sprint Champion, Warner Potzernheim after Patterson (right) had broken the half Mile unpaced flying start record by 8 of a second established by Reg Harris on the track in 1949. Australian professional cyclist Sid Patterson is congratulated by German sprint champion Werner Potzernheim after Patterson has broken the half-mile unpaced flying start record by 8 sec at Herne Hill, London. May 17, 1952. (Photo by Paul Popper).