# 2002 Pan Pacific Swimming Championships – Women's 100 metre backstroke

The women's 100 metre backstroke competition at the 2002 Pan Pacific Swimming Championships took place on August 25–26 at the Yokohama International Swimming Pool. The last champions were Dyana Calub of Australia and Mai Nakamura of Japan.
This race consisted of two lengths of the pool, all in backstroke.

## Records

Prior to this competition, the existing world and Pan Pacific records were as follows:
| World record | Natalie Coughlin (USA) | 59.58 | Fort Lauderdale, United States | August 13, 2002 |
| Pan Pacific Championships record | Janie Wagstaff (USA) | 1:01.00 | Edmonton, Alberta, Canada | August 22, 1991 |

## 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 25.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 1 | 4 | Dyana Calub | Australia | 1:02.07 | Q |
| 2 | 1 | 5 | Noriko Inada | Japan | 1:02.12 | Q |
| 3 | 3 | 4 | Natalie Coughlin | United States | 1:02.29 | Q |
| 4 | 1 | 6 | Erin Gammel | Canada | 1:02.38 | Q |
| 5 | 1 | 3 | Courtney Shealy | United States | 1:02.50 | Q |
| 6 | 2 | 4 | Diana MacManus | United States | 1:02.51 | Q |
| 7 | 2 | 5 | Aya Terakawa | Japan | 1:02.71 | Q |
| 8 | 3 | 5 | Haley Cope | United States | 1:02.82 | Q |
| 9 | 2 | 1 | Melissa Morgan | Australia | 1:02.93 | Q |
| 10 | 2 | 6 | Hannah McLean | New Zealand | 1:02.97 | Q |
| 11 | 3 | 7 | Michelle Lischinsky | Canada | 1:03.04 | Q |
| 12 | 2 | 3 | Clementine Stoney | Australia | 1:03.19 | Q |
| 13 | 1 | 2 | Maureen Farrell | United States | 1:03.23 | Q |
| 14 | 1 | 1 | Jennifer Fratesi | Canada | 1:03.29 | Q |
| 15 | 3 | 3 | Reiko Nakamura | Japan | 1:03.30 | Q |
| 16 | 3 | 6 | Giaan Rooney | Australia | 1:03.53 | Q |
| 17 | 2 | 2 | Kelly Stefanyshyn | Canada | 1:03.57 | |
| 17 | 3 | 8 | Kelly Tucker | Australia | 1:03.57 | |
| 19 | 2 | 7 | Toshie Abe | Japan | 1:03.98 | |
| 20 | 3 | 1 | Hiu Wai Sherry Tsai | Hong Kong | 1:04.15 | |
| 21 | 1 | 7 | Melissa Ingram | New Zealand | 1:04.19 | |
| 22 | 3 | 2 | Frances Adcock | Australia | 1:04.27 | |
| 23 | 2 | 8 | Amanda Gillespie | Canada | 1:04.29 | |
| 24 | 1 | 8 | Melanie Bouchard | Canada | 1:05.67 | |

### Semifinals

The semifinals were held on August 25.
| Rank | Name | Nationality | Time | Notes |
| 1 | Dyana Calub | Australia | 1:01.77 | Q |
| 2 | Natalie Coughlin | United States | 1:01.99 | Q |
| 3 | Noriko Inada | Japan | 1:02.00 | Q |
| 4 | Haley Cope | United States | 1:02.09 | Q |
| 5 | Diana MacManus | United States | 1:02.10 | Q |
| 6 | Courtney Shealy | United States | 1:02.28 | Q |
| 7 | Aya Terakawa | Japan | 1:02.39 | Q |
| 8 | Giaan Rooney | Australia | 1:02.53 | Q |
| 9 | Erin Gammel | Canada | 1:02.63 | |
| 10 | Hannah McLean | New Zealand | 1:02.82 | |
| 11 | Melissa Morgan | Australia | 1:02.86 | |
| 12 | Reiko Nakamura | Japan | 1:02.91 | |
| 13 | Michelle Lischinsky | Canada | 1:03.22 | |
| 14 | Jennifer Fratesi | Canada | 1:03.42 | |
| 15 | Kelly Stefanyshyn | Canada | 1:03.44 | |
| 16 | Clementine Stoney | Australia | 1:03.52 | |

### Final

The final was held on August 26.
| Rank | Lane | Name | Nationality | Time | Notes |
| | 5 | Natalie Coughlin | United States | 59.72 | CR |
| | 4 | Dyana Calub | Australia | 1:01.49 | |
| | 6 | Haley Cope | United States | 1:01.74 | |
| 4 | 3 | Noriko Inada | Japan | 1:01.98 | |
| 5 | 2 | Aya Terakawa | Japan | 1:02.16 | |
| 6 | 1 | Erin Gammel | Canada | 1:02.43 | |
| 7 | 7 | Giaan Rooney | Australia | 1:02.75 | |
| 8 | 8 | Hannah McLean | New Zealand | 1:03.28 | |