| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Ryszard Antoni•Marczak | |
| Used name | Ryszard•Marczak | |
| Born | 25 November 1945 in Gdynia, Pomorskie |  POL |
| Measurements | 173 cm / 62 kg | |
| Affiliations | Zawisza Bydgoszcz — Bydgoszcz, Kujawsko-Pomorskie | POL |
| NOC | Poland | POL |
Personal Best: Mar – 2-11:35 (1981).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1980 Summer Olympics | Athletics | POL |
Ryszard Marczak | |||
| Marathon, Men (Olympic) |
