Date of Birth: 
Place of Birth: Gdynia, Pomeranian Voivodeship, Poland
About Ryszard Marczak
- Ryszard Antoni Marczak (born November 25, 1945 in Gdynia, Pomorskie) is a former long-distance runner from Poland, who represented his native country at the 1980 Summer Olympics in Moscow, USSR.
- He set his personal best (2:11:35) in the classic distance in 1981.
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