The women's 100 metre freestyle competition at the 2018 Pan Pacific Swimming Championships took place on August 10 at the Tokyo Tatsumi International Swimming Center. The defending champion was Cate Campbell of Australia.

Records Prior to this competition, the existing world and Pan Pacific records were as follows: World record51.71Budapest, Hungary23 July 2017Pan Pacific Championships record52.62Gold Coast, Australia22 August 2014

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 10 August from 10:00.

Only two swimmers from each country may advance to the A or B final. If a country does 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 Simone Manuel 53.23 QA 2 Cate Campbell 53.27 QA 3 Mallory Comerford 53.30 QA 4 Taylor Ruck 53.34 QA 5 Shayna Jack 53.61 QA 6 Emma McKeon 53.97 QB 7 Kayla Sanchez 54.02 QA 7 Margo Geer 54.02 QB 9 Kelsi Dahlia 54.09 QB 10 Kathryn McLaughlin 54.14 10 Rikako Ikee 54.14 QA 12 Madeline Groves 54.18 QB, 13 Abbigail Weitzeil 54.20 14 Allison Schmitt 54.53 15 Rebecca Smith 54.54 QB 16 Larissa Oliveira 54.68 QA 17 Tomomi Aoki 54.84 QB 18 Alexia Zevnik 54.93 QB 18 Brianna Throssell 54.93 QB 20 Chihiro Igarashi 54.96 QB 21 Gabrielle DeLoof 55.22 22 Mayuka Yamamoto 55.32 23 Kyla Leibel 55.37 24 Rio Shirai 55.44 25 Sarah Fournier 55.57 26 Yui Yamane 55.73 27 Lorrane Ferreira 56.50 28 Ai Soma 57.13 29 Nicole Oliva 57.17 30 Miranda Renner 1:00.05 31 Mineri Gomez 1:04.40 32 Gianna Garcia 1:04.54 33 Osisang Chilton 1:07.30 Ariarne Titmus Kanako Watanabe

B Final The B final was held on 10 August from 18:00. Rank Name Nationality Time Notes 9 Emma McKeon 53.37 10 Kelsi Dahlia 54.33 11 Margo Geer 54.47 12 Brianna Throssell 54.50 13 Tomomi Aoki 54.69 14 Rebecca Smith 54.72 15 Chihiro Igarashi 55.05 16 Alexia Zevnik 55.45

A Final The A final was held on 10 August from 18:00. Rank Name Nationality Time Notes Cate Campbell 52.03 CR, OC Simone Manuel 52.66 Taylor Ruck 52.72 4 Mallory Comerford 52.94 5 Rikako Ikee 53.14 6 Kayla Sanchez 53.68 7 Shayna Jack 53.74 8 Larissa Oliveira 54.78

References