West German sports shooter won a team gold at the 1971 Bologna World Championships in the trap event. The same year he also added a team silver at the Suhl Europeans. At the 1972 München Olympics one year later he came in 26th. Twelve years later in Los Angeles he participated again at the Olympics and finished 28th. Between 1978 and 1984 Blecher won six West German national titles. In 1984 he claimed an individual silver at the Europeans. By profession, he was an entrepreneur. His company produced automobile accessories.