Jiří Mužík () (born 1 September 1976 in Plzeň) is a Czech hurdler.
His personal best time was 48.27 seconds, achieved during the heats of the 1997 World Championships in Athens.
Achievements Representing the 1997European U23 ChampionshipsTurku, Finland4th400 m hurdles50.182nd4 × 400 m relay3:04.13World Championships Athens, Greece 8th400 m hrd49.51UniversiadeCatania, Italy4th400 m hrd49.631998European Championships Budapest, Hungary 7th400 m hrd1998 European Championships, men's results - Sporting Heroes50.512000European Indoor ChampionshipsGhent, Belgium 1st4 × 400 m relay3:06.102001World ChampionshipsEdmonton, Canada 7th400 m hrd49.072002European Indoor ChampionshipsVienna, Austria 5th400 m46.36European ChampionshipsMunich, Germany 2nd400 m hrd48.43World CupMadrid, Spain 4th400 m hrd49.28
References