The Men's 4 × 100 metre medley relay competition at the 2024 World Aquatics Championships was held on 18 February 2024.

Records Prior to the competition, the existing world and championship records were as follows.

Results Heats The heats were held at 10:09.

Rank Heat Lane Nation Swimmers Time Notes 1 2 4 Jack Aikins (53.84)Jake Foster (59.45)Shaine Casas (50.99)Luke Hobson (48.25) 3:32.53 Q 2 1 4 Kai van Westering (54.11)Caspar Corbeau (59.02)Nyls Korstanje (51.42)Stan Pijnenburg (48.34) 3:32.89 Q, NR 3 2 7 Hugo González (53.19)Carles Coll (1:00.56)Mario Molla Yanes (51.69)Sergio De Celis Montalban (48.13) 3:33.57 Q 4 3 2 Ksawery Masiuk (53.57)Jan Kałusowski (1:00.44)Jakub Majerski (51.29)Kamil Sieradzki (48.49) 3:33.79 Q 5 3 3 Blake Tierney (53.98))James Dergousoff (1:00.77)Finlay Knox (51.90)Javier Acevedo (47.51) 3:34.16 Q 6 3 6 Michele Lamberti (54.23)Ludovico Blu Art Viberti (59.19)Federico Burdisso (52.25)Alessandro Miressi (48.53) 3:34.20 Q 7 2 6 Bernhard Reitshammer (54.77)Valentin Bayer (1:00.21)Simon Bucher (51.38)Heiko Gigler (47.93) 3:34.29 Q 8 3 7 Conor Ferguson (54.04)Darragh Greene (1:00.16)Max McCusker (51.83)Shane Ryan (48.94) 3:34.97 Q 9 3 5 Bradley Woodward (54.17)Sam Williamson (59.11)Kai James Taylor (53.64)Jack Cartwright (48.63) 3:35.55 10 3 1 Gabriel Lopes (54.80)Francisco Robalo Quintas (1:01.15)Diogo Ribeiro (51.26)Miguel Nascimento (48.42) 3:35.63 =NR 11 2 5 Lee Ju-ho (54.10)Choi Dong-yeol (1:00.07)Yang Jae-hoon (52.95)Hwang Sun-woo (48.73) 3:35.85 12 3 4 Xu Yifan (56.44)Dong Zhihao (59.23)Wang Xizhe (52.76)Ji Xinjie (48.25) 3:36.68 13 2 2 Adam Jaszo (54.89)Daniel Sos (1:01.66)Richard Marton (52.50)Nandor Nemeth (47.81) 3:36.86 14 2 1 Diego Camacho Salgado (55.83)Miguel Alejandro de Lara Ojeda (1:00.52)Jorge Iga (52.46)Andres Dupont Cabrera (48.07) 3:36.88 NR 15 2 9 Evangelos Makrygiannis (53.61)Arkadios Aspougalis (1:01.97)Konstantinos Emmanouil Stamou (52.58)Stergios Marios Bilas (48.95) 3:37.11 16 3 0 Pieter Coetze (53.69)Matthew Randle (1:02.83)Chad le Clos (51.60)Clayton Jimmie (49.17) 3:37.29 17 1 3 Kaloyan Levterov (56.10)Lyubomir Epitropov (1:00.65)Josif Miladinov (52.61)Kaloyan Bratanov (48.56) 3:37.92 18 1 5 Velimir Stjepanovic (55.79)Uros Zivanovic (1:02.42)Durde Matic (51.89) Andrej Barna (47.88) 3:37.98 NR 19 2 8 Yegor Popov (55.86)Arsen Kozhakhmetov (1:01.92)Maxim Skazobtsov (52.92)Adilbek Mussin (48.51) 3:39.21 20 2 3 Osamu Kato (54.55)Ikuru Hiroshima (1:01.28)Nao Horomura (53.00)Riki Abe (51.08) 3:39.91 21 2 0 Ratthawit Thammananthachote (58.54)Dulyawat Kaewsriyong (1:07.07)Navaphat Wongcharoen (54.22)Tonnam Kanteemool (51.69) 3:51.52 22 3 9 Tran Hung Nguyen (1:00.72)Pham Thanh Bao (1:04.05)Nguyen Hoang Khang (58.70)Ngo Dinh Chuyen (54.52) 3:57.99 3 8 Did not start

Final The final was held at 20:37.

Rank Lane Nation Swimmers Time Notes 4 Hunter Armstrong (53.15)Nic Fink (58.20)Zach Harting (51.13)Matt King (47.32) 3:29.80 5 Kai van Westering (53.84)Arno Kamminga (58.23)Nyls Korstanje (51.12)Stan Pijnenburg (48.04) 3:31.23 NR 7 Michele Lamberti (54.28)Nicolò Martinenghi (57.97)Gianmarco Sansone (52.14)Alessandro Miressi (47.20) 3:31.59 4 2 Blake Tierney (53.65))James Dergousoff (59.89)Finlay Knox (51.60)Javier Acevedo (47.75) 3:32.89 5 3 Hugo González (53.11)Carles Coll (1:00.88)Mario Molla Yanes (51.14)Sergio De Celis Montalban (48.07) 3:33.20 6 1 Bernhard Reitshammer (54.72)Valentin Bayer (1:00.61)Simon Bucher (51.27)Heiko Gigler (48.02) 3:34.62 7 8 Conor Ferguson (54.46)Darragh Greene (1:00.20)Max McCusker (51.78)Shane Ryan (48.84) 3:35.28 6 Ksawery Masiuk (53.55)Jan KałusowskiJakub MajerskiKamil Sieradzki Disqualified

References