2009 European Athletics U23 Championships – Men's 400 metres

The men's 400 metres event at the 2009 European Athletics U23 Championships was held in Kaunas, Lithuania, at S. Dariaus ir S. Girėno stadionas (Darius and Girėnas Stadium) on 16 and 17 July.

Final
17 July

Semifinals
16 July Qualified: first 4 each to Final

Heats
16 July Qualified: first 3 each heat and 4 best to Semifinals

Participation
According to an unofficial count, 26 athletes from 19 countries participated in the event.


 * 🇧🇪 belgium (1)
 * undefined (1)
 * 🇫🇮 finland (1)
 * 🇫🇷 france (3)
 * 🇩🇪 germany (1)
 * undefined (1)
 * 🇭🇺 hungary (1)
 * 🇮🇪 ireland (1)
 * 🇮🇱 israel (1)
 * 🇮🇹 italy (3)
 * 🇱🇹 lithuania (1)
 * 🇲🇹 malta (1)
 * 🇵🇱 poland (2)
 * undefined (1)
 * 🇷🇺 russia (1)
 * undefined (1)
 * 🇪🇸 spain (3)
 * 🇹🇷 turkey (1)
 * undefined (1)