# 2018 Pan Pacific Swimming Championships – Women's 50 metre freestyle

The women's 50 metre freestyle competition at the 2018 Pan Pacific Swimming Championships took place on August 12 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 record | Sarah Sjöström (SWE) | 23.67 | Budapest, Hungary | 29 July 2017 |
| Pan Pacific Championships record | Cate Campbell (AUS) | 23.96 | Gold Coast, Australia | 24 August 2014 |

## Results

All times are in minutes and seconds.
| KEY: | QA | Qualified A Final | QB | Qualified B Final | CR | Championships record | NR | National record | PB | Personal best | SB | Seasonal 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 | Cate Campbell | Australia | 24.41 | QA |
| 2 | Emma McKeon | Australia | 24.47 | QA |
| 3 | Simone Manuel | United States | 24.56 | QA |
| 4 | Taylor Ruck | Canada | 24.70 | QA |
| 5 | Rikako Ikee | Japan | 24.76 | QA |
| 6 | Abbey Weitzeil | United States | 24.91 | QA |
| 6 | Shayna Jack | Australia | 24.91 | QB |
| 8 | Kelsi Dahlia | United States | 25.08 | QB, WD |
| 8 | Mallory Comerford | United States | 25.08 | QB |
| 10 | Kayla Sanchez | Canada | 25.11 | QA |
| 11 | Margo Geer | United States | 25.15 | QB |
| 12 | Larissa Oliveira | Brazil | 25.23 | QA |
| 13 | Katie McLaughlin | United States | 25.24 | |
| 14 | Lorrane Ferreira | Brazil | 25.34 | QB |
| 15 | Sarah Fournier | Canada | 25.35 | QB |
| 16 | Kyla Leibel | Canada | 25.43 | QB |
| 17 | Olivia Smoliga | United States | 25.46 | |
| 18 | Mayuka Yamamoto | Japan | 25.50 | QB |
| 19 | Rebecca Smith | Canada | 25.63 | |
| 20 | Isabella Arcila | Colombia | 25.66 | QB |
| 21 | Alexia Zevnik | Canada | 25.73 | |
| 22 | Yui Yamane | Japan | 25.79 | |
| 23 | Ariarne Titmus | Australia | 26.13 | |
| 24 | Sachi Mochida | Japan | 26.23 | |
| 25 | Ai Soma | Japan | 26.35 | |
| 26 | Miranda Renner | Philippines | 27.05 | |
| 27 | Mineri Gomez | Guam | 29.55 | |
| – | Madeline Groves | Australia | DNS | |

### B Final

The B final was held on 12 August from 17:30.
| Rank | Name | Nationality | Time |
| 9 | Shayna Jack | Australia | 24.70 |
| 10 | Mallory Comerford | United States | 24.80 |
| 11 | Margo Geer | United States | 25.04 |
| 12 | Lorrane Ferreira | Brazil | 25.08 |
| 13 | Isabella Arcila | Colombia | 25.28 |
| 14 | Sarah Fournier | Canada | 25.54 |
| 15 | Kyla Leibel | Canada | 25.60 |
| 16 | Mayuka Yamamoto | Japan | 25.64 |

### A Final

The A final was held on 12 August from 17:30.
| Rank | Name | Nationality | Time | Notes |
| | Cate Campbell | Australia | 23.81 | CR |
| | Simone Manuel | United States | 24.22 | |
| | Emma McKeon | Australia | 24.34 | |
| 4 | Taylor Ruck | Canada | 24.47 | |
| 5 | Abbey Weitzeil | United States | 24.58 | |
| 6 | Rikako Ikee | Japan | 24.60 | |
| 7 | Kayla Sanchez | Canada | 24.94 | |
| 8 | Larissa Oliveira | Brazil | 25.03 | |