2004 World Junior Championships in Athletics – Men's 400 metres

The men's 400 metres event at the 2004 World Junior Championships in Athletics was held in Grosseto, Italy, at Stadio Olimpico Carlo Zecchini on 13, 14 and 15 July.

15 July

14 July

13 July

According to an unofficial count, 47 athletes from 39 countries participated in the event.

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