The men's 200 metre backstroke competition at the 2018 Pan Pacific Swimming Championships took place on August 12 at the Tokyo Tatsumi International Swimming Center. The defending champion was Tyler Clary of the United States.

Records Prior to this competition, the existing world and Pan Pacific records were as follows: World record1:51.92Rome, Italy31 July 2009Pan Pacific Championships record1:54.12Irvine, United States20 August 2010

Results All times are in minutes and seconds.

KEY:QAQualified A FinalQBQualified B FinalCRChampionships recordNRNational recordPBPersonal bestSBSeasonal best

Heats The first round was held on 12 August from 10:00.

Only two swimmers from each country may advance to the A or B final. If a country not qualify any swimmer to the A final, that same country may qualify up to three swimmers to the B final.

Rank Name Nationality Time Notes 1 Ryan Murphy 1:54.07 QA, CR 2 Austin Katz 1:55.69 QA 3 Jacob Pebley 1:55.95 QB 4 Ryosuke Irie 1:56.83 QA 5 Keita Sunama 1:57.18 QA 6 Mitch Larkin 1:58.15 QA 7 Bradley Woodward 1:58.24 QA 8 Javier Acevedo 1:58.74 QA 9 Leonardo de Deus 1:59.59 QA 10 Wang Yutian 1:59.90 QB 11 Markus Thormeyer 2:00.04 QB 12 Masaki Kaneko 2:00.24 QB 13 Jay Litherland 2:00.26 QB 14 Gabriel Fantoni 2:01.01 QB, 15 Brandonn Almeida 2:01.74 QB 16 Lewis Clareburt 2:02.13 QB 17 Leonardo Santos 2:03.35 QB 18 Josiah Binnema 2:06.45 19 Armand Chan 2:18.39 Clyde Lewis

B Final The B final was held on 12 August from 17:30. Rank Name Nationality Time Notes 9 Jacob Pebley 1:57.12 10 Markus Thormeyer 1:59.37 11 Jay Litherland 1:59.52 12 Wang Yutian 1:59.97 13 Masaki Kaneko 2:00.58 14 Brandonn Almeida 2:00.79 15 Lewis Clareburt 2:01.10 16 Leonardo Santos 2:04.51

A Final The A final was held on 12 August from 17:30. Rank Name Nationality Time Notes Ryan Murphy 1:53.57 CR Ryosuke Irie 1:55.12 Austin Katz 1:56.00 4 Mitch Larkin 1:56.02 5 Keita Sunama 1:57.03 6 Bradley Woodward 1:58.00 7 Javier Acevedo 1:58.36 8 Leonardo de Deus 2:01.56

References