| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Stefan•Kostrzewski |
| Used name | Stefan•Kostrzewski |
| Born | 4 August 1902 in Łódź, Łódzkie (POL) |
| Died | 24 February 1999 in Cambridge, Ontario (CAN) |
| Affiliations | ŁKS Łódź, Łódź (POL) / AZS Warszawa, Warszawa (POL) |
| NOC | Poland |
Personal Bests: 400 – 50.0 (1926); 800 – 1:55.0 (1929); 1500 – 4:10.0 (1934).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1924 Summer Olympics | Athletics | POL |
Stefan Kostrzewski | |||
| 800 metres, Men (Olympic) | 4 h6 r1/3 | |||||
| 1,500 metres, Men (Olympic) | 7 h4 r1/2 | |||||
| 4 × 400 metres Relay, Men (Olympic) | Poland | |||||
| 3,000 metres, Team, Men (Olympic) | Poland | |||||
| 1928 Summer Olympics | Athletics | POL |
Stefan Kostrzewski | |||
| 400 metres, Men (Olympic) | 4 h3 r1/4 | |||||
| 400 metres Hurdles, Men (Olympic) | 5 h1 r2/3 | |||||
| 4 × 400 metres Relay, Men (Olympic) | Poland | 4 h1 r1/2 |