Achievements
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Competing in two Summer Olympics, he won two medals with Marek Łbik at Seoul in 1988 with a silver in the C-2 500 m event and a bronze in the C-2 1000 m event. Dopierała also won six medals at the International Coach Federation Canoe Sprint World Championships with two golds (C-2 500 m: 1987, C-2 10000 m: 1986), three silvers (C-2 500 m: 1985, C-2 1000 m: 1986, 1987), and one bronze (C-2 1000 m: 1985).
