2008 World Junior Championships in Athletics – Men's 400 metres hurdles

The men's 400 metres hurdles event at the 2008 World Junior Championships in Athletics was held in Bydgoszcz, Poland, at Zawisza Stadium on 9, 10 and 11 July. == Medalists == == Results == === Final === 11 July === Semifinals === 10 July ==== Semifinal 1 ==== ==== Semifinal 2 ==== ==== Semifinal 3 ==== === Heats === 9 July ==== Heat 1 ==== ==== Heat 2 ==== ==== Heat 3 ==== ==== Heat 4 ==== ==== Heat 5 ==== ==== Heat 6 ==== == Participation == According to an unofficial count, 46 athletes from 31 countries participated in the event. == References ==