# 2024 World Aquatics Swimming Championships (25 m) – Men's 4 × 100 metre freestyle relay

The Men's 4 × 100 metre freestyle relay competition of the 2024 World Aquatics Swimming Championships (25 m) was held on 10 December 2024.

## Records

Prior to the competition, the existing world and championship records were as follows.
| World record | Italy (ITA) | 3:02.75 | Melbourne, Australia | 13 December 2022 |
| Competition record | Italy (ITA) | 3:02.75 | Melbourne, Australia | 13 December 2022 |
The following new records were set during this competition:
| Date | Event | Name | Nation | Time | Record |
| 10 December | Final | Jack Alexy (45.05) Luke Hobson (45.18) Kieran Smith (46.01) Chris Guiliano (45.42) | United States | 3:01.66 | WR, CR |

## Results
### Heats

The heats were started at 11:35.
| Rank | Heat | Lane | Nation | Swimmers | Time | Notes |
| 1 | 2 | 4 | United States | Trenton Julian (47.80) Luke Hobson (45.39) Kieran Smith (46.43) Jack Alexy (45.58) | 3:05.20 | Q |
| 2 | 2 | 5 | Italy | Alessandro Miressi (46.32) Lorenzo Zazzeri (46.77) Leonardo Deplano (46.01) Manuel Frigo (46.30) | 3:05.40 | Q |
| 3 | 1 | 2 | Brazil | Kaique Alves (46.69) Guilherme Caribé (46.00) Marco Antonio Ferreira (46.31) Leonardo Coelho Santos (47.77) | 3:06.77 | Q |
| 4 | 2 | 2 | Poland | Piotr Ludwiczak (47.51) Jakub Majerski (46.92) Ksawery Masiuk (46.22) Kamil Sieradzki (46.23) | 3:06.88 | Q, NR |
| 5 | 1 | 4 | Australia | Edward Sommerville (47.90) Maximillian Giuliani (46.26) Harrison Turner (46.45) Matthew Temple (46.41) | 3:07.02 | Q |
| 6 | 2 | 9 | Neutral Athletes B | Andrei Minakov (47.18) Aleksandr Shchegolev (46.53) Dmitrii Zhavoronkov (46.24) Pavel Samusenko (47.09) | 3:07.04 | Q |
| 7 | 2 | 7 | Croatia | Jere Hribar (46.22) Nikola Miljenić (46.67) Vlaho Nenadić (47.53) Toni Dragoja (46.65) | 3:07.07 | Q, NR |
| 8 | 1 | 6 | Spain | Sergio de Celis (47.18) Luis Domínguez (46.32) Miguel Pérez-Godoy (46.63) Nacho Campos (46.96) | 3:07.09 | Q, NR |
| 9 | 1 | 3 | Germany | Martin Wrede (47.59) Rafael Miroslaw (46.24) Kaii Winkler (46.24) Timo Sorgius (47.33) | 3:07.40 | |
| 10 | 1 | 5 | China | Zhao Jiayue (48.95) Liu Wudi (47.07) Tao Guannan (46.71) Xu Yizhou (47.08) | 3:09.81 | |
| 11 | 1 | 7 | Japan | Tatsuya Murasa (47.07) Kaiya Seki (47.12) Masahiro Kawane (47.47) Kaito Tabuchi (48.37) | 3:10.03 | |
| 12 | 2 | 3 | Canada | Yuri Kisil (47.67) Tristan Jankovics (47.74) Blake Tierney (47.32) Alex Axon (47.97) | 3:10.70 | |
| 13 | 2 | 6 | Hungary | Richárd Márton (47.68) Dániel Mészáros (48.35) Boldizsár Magda (47.41) Benedek Andor (47.64) | 3:11.08 | |
| 14 | 1 | 0 | Kazakhstan | Adilbek Mussin (48.48) Yegor Popov (49.18) Maxim Skazobtsov (50.13) Gleb Kovalenya (48.18) | 3:15.97 | NR |
| 15 | 2 | 0 | Slovakia | Tibor Tišťan (49.05) Matej Duša (48.15) Ádám Halás (49.92) Jakub Poliačik (49.39) | 3:16.51 | NR |
| 16 | 2 | 1 | Hong Kong | Ralph Koo (49.44) Ian Ho (48.76) He Shing Ip (50.14) Hayden Kwan (48.58) | 3:16.92 | |
| 17 | 2 | 8 | South Africa | Ruard van Renen (47.70) Michael Houlie (48.96) Arno Kruger (48.48) Kian Keylock (52.05) | 3:17.19 | |
| 18 | 1 | 1 | Malaysia | Khiew Hoe Yean (49.20) Lim Yin Chuen (48.07) Terence Ng (48.98) Tan Khai Xin (50.98) | 3:17.23 | |
| 19 | 1 | 8 | Latvia | Kristaps Miķelsons (49.58) Nikolass Deičmans (49.94) Daniils Bobrovs (53.10) Ģirts Feldbergs (49.52) | 3:22.14 | NR |

### Final

The final was held at 19:27.
| Rank | Lane | Nation | Swimmers | Time | Notes |
| | 4 | United States | Jack Alexy (45.05 CR AM) Luke Hobson (45.18) Kieran Smith (46.01) Chris Guiliano (45.42) | 3:01.66 | WR |
| | 5 | Italy | Alessandro Miressi (45.95) Leonardo Deplano (45.76) Lorenzo Zazzeri (46.21) Manuel Frigo (45.73) | 3:03.65 | |
| | 6 | Poland | Kamil Sieradzki (46.33) Jakub Majerski (46.04) Ksawery Masiuk (45.64) Kacper Stokowski (46.45) | 3:04.46 | NR |
| 4 | 7 | Neutral Athletes B | Egor Kornev (45.94) Dmitrii Zhavoronkov (46.22) Aleksandr Shchegolev (46.65) Andrei Minakov (45.81) | 3:04.62 | |
| 5 | 3 | Brazil | Marco Antonio Ferreira (46.44) Guilherme Caribé (45.79) Kaique Alves (45.82) Leonardo Coelho Santos (46.79) | 3:04.84 | SA |
| 6 | 8 | Spain | Sergio de Celis (46.48) NR Luis Domínguez (46.40) Miguel Pérez-Godoy (46.13) Nacho Campos (46.56) | 3:05.57 | NR |
| 7 | 1 | Croatia | Jere Hribar (46.16) Nikola Miljenić (46.24) Vlaho Nenadić (46.70) Toni Dragoja (46.58) | 3:05.68 | NR |
| 8 | 2 | Australia | Maximillian Giuliani (46.62) Edward Sommerville (47.34) Harrison Turner (46.20) Matthew Temple (45.60) | 3:05.76 | |