| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Female | |
| Full name | Agnieszka Marzenna•Siwek (-Jechowska) | |
| Used name | Agnieszka•Siwek | |
| Born | 21 May 1962 in Warszawa (Warsaw), Mazowieckie |  POL |
| Measurements | 163 cm / 52 kg | |
| Affiliations | Górnik Zabrze — Zabrze, Śląskie | POL |
| NOC | Poland | POL |
Personal Bests: 100 – 11.36 (1988); 200 – 22.80 (1988).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1988 Summer Olympics | Athletics | POL |
Agnieszka Siwek | |||
| 200 metres, Women (Olympic) | 7 h2 r3/4 | |||||
| 4 × 100 metres Relay, Women (Olympic) | Poland | 6 |
