Piątkowska competed at the Summer Olympic Games in 1952, 1960, and 1964. At the 1964 Games, she finished sixth in the 80 metres hurdles event, in a time of 10.7 seconds. Piątkowska competed at three European Athletics Championships, in 1954, 1958, and 1962. In 1958, she won a bronze medal in the 4 × 100 metres relay. At the 1962 European Athletics Championships, Piątkowska, Teresa Ciepły, Barbara Sobotta, and Elżbieta Szyroka won the 4 × 100 metres relay race. She also won a bronze medal in the 80 metres hurdles race. Piątkowska finished on the same time as winner Teresa Ciepły.