# 2018 FINA World Swimming Championships (25 m) – Men's 4 × 200 metre freestyle relay

The Men's 4 × 200 metre freestyle relay competition of the 2018 FINA World Swimming Championships (25 m) was held on 14 December 2018.

## Records

Prior to the competition, the existing world and championship records were as follows.
| | Name | Nation | Time | Location | Date |
| World record Championship record | Nikita Lobintsev (1:42.10) Danila Izotov (1:42.15) Yevgeny Lagunov (1:42.32) Alexander Sukhorukov (1:42.47) | Russia | 6:49.04 | Dubai, UAE | 16 December 2010 |
The following records were established during the competition:
| Date | Event | Name | Nation | Time | Record |
| 14 December | Final | Luiz Altamir Melo (1:42.03) Fernando Scheffer (1:40.99) Leonardo Coelho Santos (1:42.81) Breno Correia (1:40.87) | Brazil | 6:46.81 | WR, CR |

## Results
### Heats

The heats were started on 14 December at 11:10.
| Rank | Heat | Lane | Nation | Swimmers | Time | Notes |
| 1 | 2 | 5 | Russia | Mikhail Dovgalyuk (1:43.58) Ivan Girev (1:42.31) Vladislav Grinev (1:43.02) Aleksandr Krasnykh (1:42.26) | 6:51.17 | Q |
| 2 | 1 | 5 | United States | Kieran Smith (1:43.30) Jack Conger (1:43.33) Jacob Pebley (1:43.50) Zach Harting (1:42.68) | 6:52.81 | Q |
| 3 | 1 | 3 | Italy | Filippo Megli (1:43.31) Matteo Ciampi (1:43.40) Alessio Proietti Colonna (1:44.75) Mattia Zuin (1:44.51) | 6:55.97 | Q |
| 4 | 1 | 4 | China | Ji Xinjie (1:43.04) Sun Yang (1:43.01) Shang Keyuan (1:45.34) Qian Zhiyong (1:44.69) | 6:56.08 | Q |
| 5 | 2 | 4 | Australia | Thomas Fraser-Holmes (1:44.20) Jack Gerrard (1:42.94) Louis Townsend (1:46.32) Alexander Graham (1:44.28) | 6:57.74 | Q |
| 6 | 2 | 1 | Brazil | Fernando Scheffer (1:43.40) Luiz Altamir Melo (1:43.64) Leonardo de Deus (1:46.29) Breno Correia (1:44.93) | 6:58.26 | Q |
| 7 | 2 | 6 | Sweden | Gustaf Dahlman (1:45.23) Simon Sjödin (1:44.74) Adam Paulsson (1:46.03) Christoffer Carlsen (1:43.91) | 6:59.91 | Q |
| 8 | 2 | 2 | Portugal | Miguel Nascimento (1:44.92) Alexis Santos (1:44.48) Gabriel Lópes (1:47.44) Diogo Carvalho (1:45.35) | 7:02.19 | Q |
| 9 | 1 | 2 | Lithuania | Danas Rapšys (1:40.95) Deividas Margevičius (1:45.75) Andrius Šidlauskas (1:49.36) Tadas Duškinas (1:47.33) | 7:03.39 | R, NR |
| 10 | 1 | 7 | New Zealand | Bradlee Ashby (1:46.27) Daniel Hunter (1:46.08) Matthew Hyde (1:48.60) Wilrich Coetzee (1:47.20) | 7:08.15 | R |
| 11 | 1 | 6 | Chinese Taipei | Wang Hsing-hao (1:45.96) Wang Kuan-hung (1:46.95) Huang Yen-hsin (1:48.94) An Ting-yao (1:48.17) | 7:10.02 | |
| 12 | 2 | 7 | Bulgaria | Antani Ivanov (1:45.87) Yordan Yanchev (1:49.61) Kaloyan Bratanov (1:50.86) Svetlozar Nikolov (1:49.51) | 7:15.85 | NR |
| – | 2 | 3 | Japan | Fuyu Yoshida (1:46.15) Tomoya Takeuchi (1:45.62) Daiya Seto (1:44.56) Hiromasa Fujimori (1:46.32) | DSQ | |

### Final

The final was held on 14 December at 20:52.
| Rank | Lane | Nation | Swimmers | Time | Notes |
| | 7 | Brazil | Luiz Altamir Melo (1:42.03) Fernando Scheffer (1:40.99) Leonardo Coelho Santos (1:42.81) Breno Correia (1:40.98) | 6:46.81 | WR |
| | 4 | Russia | Martin Malyutin (1:42.34) Mikhail Vekovishchev (1:41.57) Ivan Girev (1:41.85) Aleksandr Krasnykh (1:41.08) | 6:46.84 | ER |
| | 6 | China | Ji Xinjie (1:42.67) Xu Jiayu (1:41.68) Sun Yang (1:41.25) Wang Shun (1:41.93) | 6:47.53 | AS |
| 4 | 5 | United States | Blake Pieroni (1:41.85) Ryan Held (1:43.05) Zach Harting (1:42.92) Zane Grothe (1:42.02) | 6:49.84 | |
| 5 | 2 | Australia | Alexander Graham (1:42.24) Jack Gerrard (1:44.18) Cameron McEvoy (1:43.74) Thomas Fraser-Holmes (1:42.89) | 6:53.05 | |
| 6 | 3 | Italy | Filippo Megli (1:42.62) Matteo Ciampi (1:43.59) Alessio Colonna (1:44.39) Mattia Zuin (1:45.07) | 6:55.67 | |
| 7 | 8 | Portugal | Miguel Nascimento (1:43.16) Alexis Santos (1:43.43) Gabriel Lópes (1:46.06) Diogo Carvalho (1:46.63) | 6:59.28 | NR |
| 8 | 1 | Sweden | Gustaf Dahlman (1:46.79) Christoffer Carlsen (1:42.53) Simon Sjödin (1:44.18) Adam Paulsson (1:45.85) | 6:59.35 | NR |