2007 World Championships in Athletics – Men's 400 metres hurdles

The men's 400 metres hurdles at the 2007 World Championships in Athletics was held at the Nagai Stadium on 25, 26 and 28 August. == Medalists == == Records == Prior to the competition, the records were as follows. == Schedule == == Results == === Heats === Qualification: First 4 in each heat (Q) and the next 4 fastest (q) advance to the semifinals. === Semifinals === Qualification: First 2 in each semifinal (Q) and the next 2 fastest (q) advance to the final. === Final === == References == Results