# 2010 Pan Pacific Swimming Championships – Women's 100 metre breaststroke

The women's 100 metre breaststroke competition at the 2010 Pan Pacific Swimming Championships took place on August 19 at the William Woollett Jr. Aquatics Center. The last champion was Tara Kirk of US.
This race consisted of two lengths of the pool, both lengths being in breaststroke.

## Records

Prior to this competition, the existing world and Pan Pacific records were as follows:
| World record | Jessica Hardy (USA) | 1:04.45 | Federal Way, United States | August 7, 2009 |
| Pan Pacific Championships record | Jessica Hardy (USA) | 1:06.43 | Victoria, Canada | August 18, 2006 |

## Results

All times are in minutes and seconds.
| KEY: | q | Fastest non-qualifiers | Q | Qualified | CR | Championships record | NR | National record | PB | Personal best | SB | Seasonal best |

### Heats

The first round was held on August 19, at 10:33.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | 4 | Rebecca Soni | United States | 1:05.89 | QA, CR |
| 2 | 2 | 4 | Sarah Katsoulis | Australia | 1:06.78 | QA |
| 3 | 3 | 4 | Leisel Jones | Australia | 1:06.80 | QA |
| 4 | 4 | 5 | Satomi Suzuki | Japan | 1:06.94 | QA |
| 5 | 3 | 5 | Samantha Marshall | Australia | 1:07.41 | QA |
| 6 | 3 | 2 | Amanda Beard | United States | 1:07.53 | QA |
| 7 | 3 | 3 | Micah Lawrence | United States | 1:07.62 | QA |
| 8 | 2 | 3 | Mina Matsushima | Japan | 1:07.74 | QA |
| 9 | 2 | 7 | Tessa Wallace | Australia | 1:07.92 | QB |
| 10 | 4 | 3 | Ann Chandler | United States | 1:08.08 | QB |
| 11 | 4 | 7 | Jillian Tyler | Canada | 1:08.29 | QB |
| 12 | 3 | 6 | Annamay Pierse | Canada | 1:08.31 | QB |
| 13 | 2 | 2 | Leiston Pickett | Australia | 1:08.35 | QB |
| 14 | 4 | 1 | Chelsey Salli | Canada | 1:08.44 | QB |
| 15 | 2 | 1 | Katlin Freeman | United States | 1:08.68 | QB |
| 16 | 4 | 2 | Tianna Rissling | Canada | 1:09.27 | QB |
| 17 | 2 | 5 | Rie Kaneto | Japan | 1:09.54 | |
| 18 | 3 | 7 | Jeong Darae | South Korea | 1:09.79 | |
| 18 | 4 | 8 | Ashley McGregor | Canada | 1:09.79 | |
| 20 | 2 | 6 | Carolina Mussi | Brazil | 1:10.54 | |
| 21 | 1 | 4 | Sarra Lajnef | Tunisia | 1:10.79 | |
| 22 | 3 | 1 | Tatiane Sakemi | Brazil | 1:10.93 | |
| 23 | 3 | 8 | Ana Carvalho | Brazil | 1:12.40 | |
| 24 | 1 | 3 | Juliana Marin | Brazil | 1:13.23 | |
| 25 | 1 | 5 | Natália Favoreto | Brazil | 1:15.30 | |
| - | 4 | 6 | Fumie Kawanabe | Japan | DSQ | |

### B Final

The B final was held on August 19, at 18:29.
| Rank | Lane | Name | Nationality | Time |
| 9 | 4 | Samantha Marshall | Australia | 1:07.04 |
| 10 | 5 | Micah Lawrence | United States | 1:07.85 |
| 11 | 3 | Chelsey Salli | Canada | 1:08.15 |
| 12 | 6 | Rie Kaneto | Japan | 1:09.38 |
| 13 | 2 | Jeong Darae | South Korea | 1:09.69 |
| 14 | 7 | Carolina Mussi | Brazil | 1:10.89 |
| 15 | 1 | Sarra Lajnef | Tunisia | 1:11.05 |
| 16 | 8 | Tatiane Sakemi | Brazil | 1:11.15 |

### A Final

The A final was held on August 19, at 18:29.
| Rank | Lane | Name | Nationality | Time | Notes |
| | 4 | Rebecca Soni | United States | 1:04.93 | CR |
| | 3 | Leisel Jones | Australia | 1:05.66 | |
| | 5 | Sarah Katsoulis | Australia | 1:07.04 | |
| 4 | 6 | Satomi Suzuki | Japan | 1:07.05 | |
| 5 | 2 | Amanda Beard | United States | 1:07.49 | |
| 6 | 8 | Annamay Pierse | Canada | 1:07.90 | |
| 7 | 7 | Mina Matsushima | Japan | 1:08.32 | |
| 8 | 1 | Jillian Tyler | Canada | 1:08.45 | |