# 2017 European Athletics Indoor Championships – Men's 400 metres

The men's 400 metres event at the 2017 European Athletics Indoor Championships was held on 3 March 2017 at 10:20 (heats), at 18:05 (semifinals) and on 4 March 20:33 (final) local time.

## Medalists

| Gold | Silver | Bronze |
| Pavel Maslák Czech Republic | Rafał Omelko Poland | Liemarvin Bonevacia Netherlands |

## Records

Standing records prior to the 2017 European Athletics Indoor Championships :
| World record | Kerron Clement (USA) | 44.57 | Fayetteville, AR, United States | 12 March 2005 |
| European record | Thomas Schönlebe (GDR) | 45.05 | Sindelfingen, West Germany | 5 February 1988 |
| Championship record | Pavel Maslák (CZE) | 45.33 | Prague, Czech Republic | 7 March 2015 |
| World Leading | Fred Kerley (USA) | 45.02 | Clemson, United States | 10 February 2017 |
| European Leading | Pavel Maslák (CZE) | 45.80 | Toruń, Poland | 10 February 2017 |

## Results
### Heats

Qualification: First 2 in each heat (Q) and the next 2 fastest (q) advance to the Semifinal.
| Rank | Heat | Athlete | Nationality | Time | Note |
| 1 | 5 | Benjamin Lobo Vedel | Denmark | 46.65 | Q, PB |
| 2 | 3 | Lucas Búa | Spain | 46.72 | Q |
| 3 | 1 | Liemarvin Bonevacia | Netherlands | 46.91 | Q |
| 4 | 3 | Rafał Omelko | Poland | 46.97 | Q |
| 4 | 5 | Thomas Jordier | France | 46.97 | Q, SB |
| 6 | 1 | Óscar Husillos | Spain | 47.13 | Q |
| 7 | 4 | Samuel García | Spain | 47.16 | Q |
| 8 | 3 | Yoann Décimus | France | 47.25 | q |
| 9 | 3 | Jan Tesař | Czech Republic | 47.28 | q |
| 10 | 1 | Marc Koch | Germany | 47.39 | |
| 11 | 4 | Batuhan Altıntaş | Turkey | 47.44 | Q |
| 12 | 1 | Patrik Šorm | Czech Republic | 47.50 | |
| 13 | 2 | Pavel Maslák | Czech Republic | 47.57 | Q |
| 14 | 2 | Brian Gregan | Ireland | 47.62 | Q |
| 15 | 4 | Marvin Schlegel | Germany | 47.65 | |
| 16 | 2 | Mateo Ružić | Croatia | 47.66 | |
| 17 | 3 | Vitaliy Butrym | Ukraine | 47.76 | |
| 18 | 4 | Yevhen Hutsol | Ukraine | 47.77 | |
| 19 | 1 | Denis Danáč | Slovakia | 48.02 | |
| 20 | 2 | Marco Lorenzi | Italy | 48.10 | |
| 21 | 1 | Luca Flück | Switzerland | 48.29 | |
| 22 | 2 | Tony van Diepen | Netherlands | 48.57 | |
| 23 | 3 | Rusmir Malkočević | Bosnia and Herzegovina | 48.58 | |
| 24 | 5 | Miloš Raović | Serbia | 48.89 | |
| | 4 | Terrence Agard | Netherlands | DNF | |
| | 2 | Mauritz Kåshagen | Norway | DQ | R162.7 |
| | 5 | Luka Janežič | Slovenia | DQ | R163.3b |
| | 5 | Mario Lambrughi | Italy | DQ | R163.3b |

### Semifinals

Qualification: First 3 in each heat (Q) advance to the Final.
| Rank | Heat | Athlete | Nationality | Time | Note |
| 1 | 1 | Pavel Maslák | Czech Republic | 46.45 | Q |
| 2 | 1 | Benjamin Lobo Vedel | Denmark | 46.60 | Q, PB |
| 3 | 1 | Samuel García | Spain | 46.62 | Q |
| 4 | 2 | Rafał Omelko | Poland | 47.15 | Q |
| 5 | 2 | Liemarvin Bonevacia | Netherlands | 47.21 | Q |
| 6 | 2 | Lucas Búa | Spain | 47.24 | Q |
| 7 | 1 | Thomas Jordier | France | 47.49 | |
| 8 | 2 | Jan Tesař | Czech Republic | 47.64 | |
| 9 | 2 | Óscar Husillos | Spain | 47.83 | |
| 10 | 2 | Yoann Décimus | France | 47.87 | |
| 11 | 1 | Batuhan Altıntaş | Turkey | 47.89 | |
| 12 | 1 | Brian Gregan | Ireland | 48.08 | |

### Final

| Rank | Lane | Athlete | Nationality | Time | Note |
| | 5 | Pavel Maslák | Czech Republic | 45.77 | EL |
| | 6 | Rafał Omelko | Poland | 46.08 | PB |
| | 3 | Liemarvin Bonevacia | Netherlands | 46.26 | NR |
| 4 | 4 | Benjamin Lobo Vedel | Denmark | 46.33 | PB |
| 5 | 2 | Lucas Búa | Spain | 46.74 | |
| 6 | 1 | Samuel García | Spain | 46.74 | |