# Swimming at the 2022 European Aquatics Championships – Men's 400 metre freestyle

The Men's 400 metre freestyle competition of the 2022 European Aquatics Championships was held on 17 August 2022.

## Records

Prior to the competition, the existing world, European and championship records were as follows.
| | Name | Nationality | Time | Location | Date |
| World recordEuropean record | Paul Biedermann | Germany | 3:40.07 | Rome | 26 July 2009 |
| Championship record | Gabriele Detti | Italy | 3:44.01 | London | 16 May 2016 |
The following new records were set during this competition.
| Date | Event | Name | Nationality | Time | Record |
| 17 August | Final | Lukas Märtens | Germany | 3:42.50 | CR |

## Results
### Heats

The heats were started at 09:27.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 5 | 5 | Henning Mühlleitner | Germany | 3:46.79 | Q |
| 2 | 5 | 4 | Lukas Märtens | Germany | 3:47.38 | Q |
| 3 | 5 | 6 | Antonio Djakovic | Switzerland | 3:47.67 | Q |
| 4 | 1 | 3 | David Popovici | Romania | 3:47.99 | Q, WD |
| 5 | 4 | 6 | Lorenzo Galossi | Italy | 3:48.15 | Q |
| 6 | 5 | 3 | Gabriele Detti | Italy | 3:48.32 | Q |
| 7 | 4 | 5 | Marco De Tullio | Italy | 3:48.38 | |
| 8 | 4 | 7 | Joris Bouchaut | France | 3:49.00 | Q |
| 9 | 4 | 4 | Felix Auböck | Austria | 3:49.16 | Q |
| 10 | 5 | 1 | Sven Schwarz | Germany | 3:49.58 | |
| 11 | 4 | 2 | Henrik Christiansen | Norway | 3:51.26 | Q |
| 12 | 4 | 1 | Victor Johansson | Sweden | 3:51.29 | |
| 13 | 5 | 2 | Matteo Ciampi | Italy | 3:52.35 | |
| 13 | 3 | 6 | Luis Domínguez | Spain | 3:52.35 | |
| 15 | 4 | 8 | Kieran Bird | Great Britain | 3:52.94 | |
| 16 | 3 | 2 | Yordan Yanchev | Bulgaria | 3:53.31 | |
| 17 | 3 | 7 | Carlos Garach | Spain | 3:53.36 | |
| 18 | 3 | 1 | Sašo Boškan | Slovenia | 3:53.42 | |
| 19 | 5 | 7 | Kregor Zirk | Estonia | 3:53.43 | |
| 20 | 3 | 9 | Damien Joly | France | 3:53.63 | |
| 21 | 3 | 3 | Krzysztof Chmielewski | Poland | 3:53.69 | |
| 22 | 5 | 8 | Gábor Zombori | Hungary | 3:53.84 | |
| 23 | 2 | 5 | Ondřej Gemov | Czech Republic | 3:54.00 | |
| 24 | 4 | 9 | Bar Soloveychik | Israel | 3:54.34 | |
| 25 | 2 | 4 | Yoav Romano | Israel | 3:54.42 | |
| 26 | 3 | 0 | Dániel Mészáros | Hungary | 3:54.70 | |
| 27 | 2 | 2 | Finn McGeever | Ireland | 3:56.52 | |
| 28 | 3 | 8 | Luc Kroon | Netherlands | 3:58.62 | |
| 29 | 2 | 6 | Richard Nagy | Slovakia | 3:59.22 | |
| 30 | 1 | 4 | Pit Brandenburger | Luxembourg | 3:59.73 | |
| 31 | 2 | 7 | Loris Bianchi | San Marino | 4:01.70 | |
| 32 | 2 | 8 | Primož Šenica Pavletič | Slovenia | 4:02.69 | |
| 33 | 2 | 1 | Dylan Cachia | Malta | 4:13.46 | |
| 34 | 1 | 5 | Franc Aleksi | Albania | 4:19.20 | |
| | 2 | 0 | Liam Custer | Ireland | Did not start | Did not start |
| | 2 | 3 | Robin Hanson | Sweden | Did not start | Did not start |
| | 3 | 4 | Mikkel Gadgaard | Denmark | Did not start | Did not start |
| | 3 | 5 | Balázs Holló | Hungary | Did not start | Did not start |
| | 4 | 0 | Jon Jøntvedt | Norway | Did not start | Did not start |
| | 4 | 3 | Danas Rapšys | Lithuania | Did not start | Did not start |
| | 5 | 0 | Dimitrios Markos | Greece | Did not start | Did not start |
| | 5 | 9 | Mykhailo Romanchuk | Ukraine | Did not start | Did not start |

### Final

The final was held at 18:53.
| Rank | Lane | Name | Nationality | Time | Notes |
| | 5 | Lukas Märtens | Germany | 3:42.50 | CR |
| | 3 | Antonio Djakovic | Switzerland | 3:43.93 | NR |
| | 4 | Henning Mühlleitner | Germany | 3:44.53 | |
| 4 | 1 | Felix Auböck | Austria | 3:45.76 | |
| 5 | 6 | Lorenzo Galossi | Italy | 3:46.94 | |
| 6 | 7 | Joris Bouchaut | France | 3:47.20 | |
| 7 | 2 | Gabriele Detti | Italy | 3:47.34 | |
| 8 | 8 | Henrik Christiansen | Norway | 3:50.30 | |