2018 Pan Pacific Swimming Championships – Men's 4 × 200 metre freestyle relay
# 2018 Pan Pacific Swimming Championships – Men's 4 × 200 metre freestyle relay

The men's 4 × 200 metre freestyle relay competition at the 2018 Pan Pacific Swimming Championships took place on August 10 at the Tokyo Tatsumi International Swimming Center. The defending champion was the United States.

## Records

Prior to this competition, the existing world and Pan Pacific records were as follows:

| World record | United States (USA) Michael Phelps (1:44.49) Ricky Berens (1:44.13) David Walters (1:45.47) Ryan Lochte (1:44.46) | 6:58.55 | Rome, Italy | 31 July 2009 |
| - | - | - | - | - |
| Pan Pacific Championships record | United States (USA) Michael Phelps (1:45.62) Peter Vanderkaay (1:46.46) Ricky Berens (1:46.49) Ryan Lochte (1:45.27) | 7:03.84 | Irvine, United States | 19 August 2010 |

## Results

All times are in minutes and seconds.

| KEY: | CR | Championships record | NR | National record | PB | Personal best | SB | Seasonal best |
| - | - | - | - | - | - | - | - | - |

### Final

The final was held on 10 August from 18:00.

| Rank | Lane | Nation | Swimmers | Time |
| - | - | - | - | - |
| | 5 | United States | Andrew Seliskar (1:46.75) Blake Pieroni (1:47.63) Zachary Apple (1:46.20) Townley Haas (1:43.78) | 7:04.36 |
| | 3 | Australia | Clyde Lewis (1:46.54) Kyle Chalmers (1:46.73) Alexander Graham (1:45.91) Jack Cartwright (1:45.52) | 7:04.70 |
| | 4 | Japan | Naito Ehara (1:47.28) Reo Sakata (1:47.07) Yuki Kobori (1:48.41) Katsuhiro Matsumoto (1:45.31) | 7:08.07 |
| 4 | 6 | Brazil | Luiz Altamir Melo (1:47.65) Fernando Scheffer (1:44.87) Leonardo de Deus (1:49.34) Guilherme Costa (1:49.79) | 7:11.65 |
| 5 | 2 | Canada | Alex Pratt (1:48.32) Ruslan Gaziev (1:49.50) Markus Thormeyer (1:50.56) Javier Acevedo (1:49.87) | 7:18.25 |
