| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Grzegorz•Krejner |
| Used name | Grzegorz•Krejner |
| Born | 25 February 1969 in Żyrardów, Mazowieckie (POL) |
| Measurements | 189 cm / 96 kg |
| Affiliations | MKS Gryf Szczecin / Servisco |
| NOC | Poland |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1992 Summer Olympics | Cycling Track (Cycling) | POL |
Grzegorz Krejner | |||
| 1,000 metres Time Trial, Men (Olympic) | 20 | |||||
| 1996 Summer Olympics | Cycling Track (Cycling) | POL |
Grzegorz Krejner | |||
| 1,000 metres Time Trial, Men (Olympic) | 6 | |||||
| 2000 Summer Olympics | Cycling Track (Cycling) | POL |
Grzegorz Krejner | |||
| 1,000 metres Time Trial, Men (Olympic) | 7 | |||||
| Keirin, Men (Olympic) | 3 h1 r2/4 | |||||
| Team Sprint, Men (Olympic) | Poland | 10 | ||||
| 2004 Summer Olympics | Cycling Track (Cycling) | POL |
Grzegorz Krejner | |||
| 1,000 metres Time Trial, Men (Olympic) | 14 |