| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Marek•Bajan | |
| Used name | Marek•Bajan | |
| Born | 29 July 1956 in Kraśnik, Lubelskie |  POL |
| Measurements | 178 cm / 68 kg | |
| Affiliations | Legia Warszawa — Warszawa (Warsaw), Mazowieckie | POL |
| NOC | Poland | POL |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1980 Summer Olympics | Modern Pentathlon | POL |
Marek Bajan | |||
| Individual, Men (Olympic) | 18 | |||||
| Team, Men (Olympic) | Poland | 4 |
