2018 FINA World Swimming Championships (25 m) – Men's 4 × 100 metre freestyle relay
The Men's 4 × 100 metre freestyle relay competition of the 2018 FINA World Swimming Championships was held on 11 December 2018.
Records
Prior to the competition, the existing world and championship records were as follows.| Nation | Time | Location | Date | |
| World record | 3:03.30 | Manchester | 19 December 2009 | |
| Championship record | 3:03.78 | Doha | 3 December 2014 |
The following new records were set during this competition
| Date | Event | Nation | Time | Record |
| 11 December | Final | 3:03.03 | , CR |
Results
Heats
The heats were started on 11 December at 12:37.| Rank | Heat | Lane | Nation | Swimmers | Time | Notes |
| 1 | 1 | 4 | Evgeny Rylov Ivan Kuzmenko Mikhail Vekovishchev Ivan Girev | 3:05.16 | Q | |
| 2 | 1 | 7 | Matheus Santana Marcelo Chierighini Breno Correia César Cielo | 3:05.70 | Q, SA | |
| 3 | 1 | 6 | Ryan Held Kyle DeCoursey Michael Jensen Matt Grevers | 3:05.72 | Q | |
| 4 | 2 | 3 | Santo Condorelli Lorenzo Zazzeri Davide Nardini Alessandro Miressi | 3:08.18 | Q | |
| 5 | 1 | 5 | Katsumi Nakamura Kaiya Seki Kosuke Matsui Fuyu Yoshida | 3:08.26 | Q | |
| 6 | 2 | 4 | Louis Townsend Alexander Graham Jack Gerrard Thomas Fraser-Holmes | 3:08.56 | Q | |
| 7 | 2 | 2 | Yauhen Tsurkin Hryhory Pekarski Mikita Tsmyh Artsiom Machekin | 3:11.52 | Q, NR | |
| 8 | 2 | 5 | Hou Yujie Cao Jiwen He Junyi Yu Hexin | 3:11.97 | Q | |
| 9 | 2 | 6 | Hüseyin Emre Sakçı Iskender Baslakov Yalım Acımış Kemal Arda Gürdal | 3:12.26 | NR | |
| 10 | 1 | 2 | Miguel Nascimento NR Gabriel Lopes Diogo Carvalho Alexis Santos | 3:15.56 | NR | |
| 11 | 2 | 7 | Daniel Hunter Andrew Jeffcoat Matthew Hyde Wilrich Coetzee | 3:16.46 | ||
| 12 | 1 | 3 | Lin Chien-liang Huang Yen-hsin Chuang Mu-lun An Ting-yao | 3:16.61 | ||
| 13 | 2 | 1 | Yordan Yanchev Svetlozar Nikolov Kaloyan Bratanov Antani Ivanov | 3:19.51 | NR |
Final
The final was held on 11 December at 20:52.| Rank | Lane | Nation | Swimmers | Time | Notes |
| 3 | Caeleb Dressel Blake Pieroni Michael Chadwick Ryan Held | 3:03.03 | |||
| 4 | Vladislav Grinev Sergey Fesikov Vladimir Morozov Kliment Kolesnikov | 3:03.11 | ER | ||
| 5 | Matheus Santana Marcelo Chierighini César Cielo Breno Correia | 3:05.15 | SA | ||
| 4 | 6 | Santo Condorelli Alessandro Miressi Marco Orsi Lorenzo Zazzeri | 3:05.20 | NR | |
| 5 | 7 | Cameron McEvoy Louis Townsend Jack Gerrard Alexander Graham | 3:06.49 | ||
| 6 | 2 | Katsumi Nakamura Kaiya Seki Kosuke Matsui Fuyu Yoshida | 3:07.87 | ||
| 7 | 8 | Hou Yujie Cao Jiwen He Junyi Yu Hexin | 3:10.55 | NR | |
| 8 | 1 | Yauhen Tsurkin Hryhory Pekarski Viktar Staselovich Artsiom Machekin | 3:10.59 | NR |