| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Female | |
| Full name | Ilona•Hlaváčková | |
| Used name | Ilona•Hlaváčková | |
| Born | 15 March 1977 in Liberec, Liberecký kraj | |
| Measurements | 180 cm / 75 kg | |
| Affiliations | Bohemians Praha — Praha (Prague), Hlavní město Praha | |
| NOC | Czechia |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2000 Summer Olympics | Swimming (Aquatics) | Ilona Hlaváčková | ||||
| 100 metres Freestyle, Women (Olympic) | 26 | |||||
| 100 metres Backstroke, Women (Olympic) | 22 | |||||
| 2004 Summer Olympics | Swimming (Aquatics) | Ilona Hlaváčková | ||||
| 4 × 100 metres Freestyle Relay, Women (Olympic) | Czech Republic | 13 | ||||
| 100 metres Backstroke, Women (Olympic) | 12 |