2003 European Athletics U23 Championships – Men's 400 metres hurdles

The men's 400 metres hurdles event at the 2003 European Athletics U23 Championships was held in Bydgoszcz, Poland, at Zawisza Stadion on 17, 18, and 19 July.

Final
19 July

Semifinals
18 July Qualified: first 4 in each to the Final

Heats
17 July Qualified: first 3 in each heat and 4 best to the Semifinal

Participation
According to an unofficial count, 25 athletes from 16 countries participated in the event.


 * 🇧🇾 belarus (2)
 * 🇨🇿 czech republic (2)
 * 🇪🇪 estonia (1)
 * 🇫🇮 finland (1)
 * 🇫🇷 france (3)
 * 🇩🇪 germany (3)
 * 🇬🇧 united kingdom (1)
 * 🇭🇺 hungary (1)
 * 🇮🇹 italy (1)
 * undefined (1)
 * 🇳🇴 norway (1)
 * 🇵🇱 poland (1)
 * 🇷🇺 russia (2)
 * 🇪🇸 spain (2)
 * undefined (1)
 * 🇺🇦 ukraine (2)