The men's 50 metre backstroke competition at the 2010 Pan Pacific Swimming Championships took place on August 19 at the William Woollett Jr. Aquatics Center.2010 Pan Pacific handbook It was the first appearance of this event in the Pan Pacific Swimming Championships.ISHOF list with all medalists in Pan Pacific Championships history

Records Prior to this competition, the existing world record was as follows: World record24.04Rome, ItalyAugust 2, 2009

Results All times are in minutes and seconds.

KEY:qFastest non-qualifiersQQualifiedCRChampionships recordNRNational recordPBPersonal bestSBSeasonal best

Heats The first round was held on August 19, at 11:39.

Rank Heat Lane Name Nationality Time Notes 1 1 2 Nick Thoman 24.82 QA, CR 2 1 7 David Plummer 24.87 QA 3 2 3 Ryosuke Irie 25.20 QA 3 3 5 Ashley Delaney 25.20 QA 5 1 4 Junya Koga 25.25 QA 6 3 3 Ben Treffers 25.26 QA 7 2 4 Daniel Arnamnart 25.33 QA 8 2 5 Hayden Stoeckel 25.34 QA 9 3 4 Guilherme Guido 25.40 QB 10 3 6 Masafumi Yamaguchi 25.46 QB 11 1 5 Gláuber Silva 25.63 QB 12 2 6 Daniel Bell 25.78 QB 13 2 2 Jake Tapp 26.00 QB 14 2 7 Gareth Kean 26.01 QB 15 3 8 Park Seon-Kwan 26.06 QB 16 3 7 George Bovell 26.31 QB 17 1 3 Federico Grabich 26.36 17 2 1 Charles Francis 26.36 19 1 1 Matthew Swanston 26.53 20 1 6 Robert Hurley 26.68 21 3 1 Chung Lai-Yeung 27.19 22 3 2 Joaqun Belza 27.44 - 2 8 Tobias Oriwol DNS

B Final The B final was held on August 19, at 19:51. Rank Lane Name Nationality Time Notes 9 5 Masafumi Yamaguchi 25.34 10 4 Daniel Arnamnart 25.41 11 3 Daniel Bell 25.52 12 7 Park Seon-Kwan 25.83 13 6 Jake Tapp 25.84 14 2 Gareth Kean 25.94 15 8 Charles Francis 25.95 16 1 Federico Grabich 26.10

A Final The A final was held on August 19, at 19:51. Rank Lane Name Nationality Time Notes 2 Junya Koga 24.86 3 Ashley Delaney 24.98 4 Nick Thoman 25.02 4 5 David Plummer 25.09 5 7 Ben Treffers 25.32 6 6 Ryosuke Irie 25.41 7 8 Gláuber Silva 25.65 8 1 Guilherme Guido 25.83

References