Zbigniew MarcinkowskiZbigniew Marcinkowski is a former international speedway rider from Poland.Speedway careerMarcinkowski won a bronze medal during the Speedway World Pairs Championship in the 1973 Speedway World Pairs Championship.World Final appearancesWorld Pairs Championship 1972 – Borås – 5th – 15pts 1973 - Borås - 3rd - 21pts