| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Jiří•Mužík | |
| Used name | Jiří•Mužík | |
| Born | 1 September 1976 in Plzeň, Plzeňský kraj |  CZE |
| Measurements | 181 cm / 77 kg | |
| Affiliations | ASC Dukla — Praha (Prague), Hlavní město Praha | CZE |
| NOC | Czechia | CZE |
Personal Best: 400H – 48.27 (1997).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2000 Summer Olympics | Athletics | CZE |
Jiří Mužík | |||
| 400 metres Hurdles, Men (Olympic) | 5 h2 r2/3 | |||||
| 2004 Summer Olympics | Athletics | CZE |
Jiří Mužík | |||
| 400 metres Hurdles, Men (Olympic) | 5 h3 r2/3 |
