The men's 4 × 100 metre freestyle relay competition at the 2018 Pan Pacific Swimming Championships took place on August 11 at the Tokyo Tatsumi International Swimming Center. The defending champion was Australia.
Records Prior to this competition, the existing world and Pan Pacific records were as follows: World recordMichael Phelps (47.51)Garrett Weber-Gale (47.02)Cullen Jones (47.65)Jason Lezak (46.06)3:08.24Beijing, China11 August 2008Pan Pacific Championships recordMichael Phelps (48.13)Ryan Lochte (47.98)Jason Lezak (48.12)Nathan Adrian (47.51)3:11.74Irvine, United States20 August 2010
Results All times are in minutes and seconds.
KEY:CRChampionships recordNRNational recordPBPersonal bestSBSeasonal best
Final The final was held on 11 August from 18:00. Rank Lane Nation Swimmers Time Notes 5 Gabriel Santos (48.93)Marcelo Chierighini (47.62)Marco Ferreira Júnior (48.53)Pedro Spajari (46.94)3:12.02 3 Jack Cartwright (48.56)Alexander Graham (48.50)James Roberts (47.97)Kyle Chalmers (47.50)3:12.53 6 Katsumi Nakamura (48.52)Shinri Shioura (48.19)Katsuhiro Matsumoto (47.61)Juran Mizohata (48.22)3:12.54AS 4 2 Markus Thormeyer (48.89)Yuri Kisil (48.02)Javier Acevedo (49.07)Ruslan Gaziev (48.52)3:14.50 5 7 Rafael Barreto (53.19)Armand Chan (55.31)Timothy Yen (55.96)Jarod Hatch (52.55)3:37.01 4 Caeleb Dressel (48.76)Blake PieroniZachary AppleNathan Adrian
References