| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Marcin•Kaczmarek | |
| Used name | Marcin•Kaczmarek | |
| Born | 25 June 1977 in Pisz, Warmińsko-Mazurskie |  POL |
| Measurements | 180 cm / 73 kg | |
| Affiliations | AZS AWFiS Gdańsk — Gdańsk, Pomorskie | POL |
| NOC | Poland | POL |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2000 Summer Olympics | Swimming (Aquatics) | POL |
Marcin Kaczmarek | |||
| 100 metres Butterfly, Men (Olympic) | 26 |
