2005 European Athletics U23 Championships – Men's 400 metres

The men's 400 metres event at the 2005 European Athletics U23 Championships was held in Erfurt, Germany, at Steigerwaldstadion on 14, 15, and 16 July.

Final
16 July

Semifinals
15 July Qualified: first 4 in each heat to the Final

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

Participation
According to an unofficial count, 26 athletes from 16 countries participated in the event.


 * 🇦🇿 azerbaijan (1)
 * 🇧🇪 belgium (2)
 * 🇫🇷 france (2)
 * 🇩🇪 germany (1)
 * undefined (1)
 * 🇭🇺 hungary (1)
 * 🇮🇪 ireland (1)
 * 🇮🇹 italy (1)
 * undefined (2)
 * 🇵🇱 poland (3)
 * 🇷🇴 romania (1)
 * 🇷🇺 russia (1)
 * 🇪🇸 spain (2)
 * 🇸🇪 sweden (1)
 * 🇺🇦 ukraine (3)
 * undefined (3)