# 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.

## Medalists

| Gold | Robert Tobin United Kingdom |
| Silver | Kamghe Gaba Germany |
| Bronze | Daniel Dąbrowski Poland |

## Results
### Final

16 July
| Rank | Name | Nationality | Time |
| | Robert Tobin | United Kingdom | 46.81 |
| | Kamghe Gaba | Germany | 47.07 |
| | Daniel Dąbrowski | Poland | 47.44 |
| 4 | Dimitrios Gravalos | Greece | 47.64 |
| 5 | Konstantin Svechkar | Russia | 47.87 |
| 6 | David Testa | Spain | 48.06 |
| | Piotr Zrada | Poland | DNF |
| | David Gillick | Ireland | DNS |

### Semifinals

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

#### Semifinal 1

| Rank | Name | Nationality | Time | Notes |
| 1 | Robert Tobin | United Kingdom | 45.64 | Q |
| 2 | Daniel Dąbrowski | Poland | 45.93 | Q |
| 3 | Dimitrios Gravalos | Greece | 45.99 | Q |
| 4 | David Gillick | Ireland | 46.03 | Q |
| 5 | Piotr Kędzia | Poland | 46.62 | |
| 6 | Óscar Albalat | Spain | 47.05 | |
| | Nils Duerinck | Belgium | DQ | IAAF rule 163.3 |
| | Robert Lathouwers | Netherlands | DQ | IAAF rule 163.3 |

#### Semifinal 2

| Rank | Name | Nationality | Time | Notes |
| 1 | Konstantin Svechkar | Russia | 46.09 | Q |
| 2 | Kamghe Gaba | Germany | 46.24 | Q |
| 3 | Piotr Zrada | Poland | 46.27 | Q |
| 4 | David Testa | Spain | 46.35 | Q |
| 5 | Daniël Ward | Netherlands | 46.37 | |
| 6 | Oleksiy Rachkovskyy | Ukraine | 46.57 | |
| 7 | Mathieu Schoeps | Belgium | 46.65 | |
| 8 | Brice Panel | France | 46.83 | |

### Heats

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

#### Heat 1

| Rank | Name | Nationality | Time | Notes |
| 1 | Konstantin Svechkar | Russia | 46.19 | Q |
| 2 | David Gillick | Ireland | 46.25 | Q |
| 3 | Kamghe Gaba | Germany | 46.55 | Q |
| 4 | Piotr Kędzia | Poland | 46.67 | q |
| 5 | Óscar Albalat | Spain | 46.92 | q |
| 6 | Richard Davenport | United Kingdom | 47.45 | |
| 7 | Valentin Bulychov | Azerbaijan | 47.55 | |

#### Heat 2

| Rank | Name | Nationality | Time | Notes |
| 1 | Oleksiy Rachkovskyy | Ukraine | 46.62 | Q |
| 2 | Daniël Ward | Netherlands | 46.77 | Q |
| 3 | Mathieu Schoeps | Belgium | 46.85 | Q |
| 4 | Brice Panel | France | 47.06 | q |
| 5 | Gareth Warburton | United Kingdom | 47.34 | |
| 6 | Marco Moraglio | Italy | 47.85 | |

#### Heat 3

| Rank | Name | Nationality | Time | Notes |
| 1 | Robert Tobin | United Kingdom | 45.98 | Q |
| 2 | Piotr Zrada | Poland | 46.57 | Q |
| 3 | David Testa | Spain | 47.09 | Q |
| 4 | Nils Duerinck | Belgium | 47.09 | q |
| 5 | Zoltán Borsányi | Hungary | 47.15 | |
| 6 | Myhaylo Knysh | Ukraine | 47.18 | |
| 7 | Andreas Mokdasi | Sweden | 47.34 | |

#### Heat 4

| Rank | Name | Nationality | Time | Notes |
| 1 | Daniel Dąbrowski | Poland | 46.77 | Q |
| 2 | Dimitrios Gravalos | Greece | 46.83 | Q |
| 3 | Robert Lathouwers | Netherlands | 47.03 | Q |
| 4 | Vitaliy Duonosov | Ukraine | 47.23 | |
| 5 | Rémi Wallard | France | 47.47 | |
| 6 | Catalin Cîmpeanu | Romania | 47.90 | |

## Participation

According to an unofficial count, 26 athletes from 16 countries participated in the event.
* Azerbaijan (1)
* Belgium (2)
* France (2)
* Germany (1)
* Greece (1)
* Hungary (1)
* Ireland (1)
* Italy (1)
* Netherlands (2)
* Poland (3)
* Romania (1)
* Russia (1)
* Spain (2)
* Sweden (1)
* Ukraine (3)
* United Kingdom (3)