1999 Pan Pacific Swimming Championships – Women's 50 metre freestyle
The women's 50 metre freestyle competition at the 1999 Pan Pacific Swimming Championships took place on August 28–29 at the Sydney International Aquatic Centre. The last champion was Le Jingyi of China.
This race consisted of one length of the pool in freestyle.
Records
Prior to this competition, the existing world and Pan Pacific records were as follows:| World record | 24.51 | Rome, Italy | September 11, 1994 | |
| Pan Pacific Championships record | 25.03 | Atlanta, United States | August 13, 1995 |
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 28.| Rank | Name | Nationality | Time | Notes |
| 1 | Jenny Thompson | 25.90 | Q | |
| 2 | Liesl Kolbisen | 26.11 | Q | |
| 3 | Kari Haag-Woodall | 26.12 | Q | |
| 4 | Anna Lydall | 26.30 | Q | |
| 5 | Toni Jeffs | 26.33 | Q | |
| 6 | Laura Nicholls | 26.34 | Q | |
| 7 | Charlene Wittstock | 26.44 | Q | |
| 8 | Samantha Arsenault | 26.50 | Q | |
| 9 | Sarah Ryan | 26.56 | Q | |
| 10 | Ashley Tappin | 26.62 | Q | |
| 11 | Stacey Bowley | 26.63 | Q | |
| 12 | Rebecca Creedy | 26.69 | Q | |
| 13 | Monique Robins | 26.73 | Q | |
| 14 | Vivienne Rignall | 26.80 | Q | |
| 14 | Jenna Gresdal | 26.82 | Q | |
| 16 | Melanie Dodd | 26.89 | Q | |
| 17 | Renate du Plessis | 26.98 | ||
| 18 | Lori Munz | 27.00 | ||
| 19 | Jacinta van Lint | 27.02 | ||
| 20 | Keiko Price | 27.08 | ||
| 21 | Angela Kennedy | 27.15 | ||
| 21 | Elli Overton | 27.15 | ||
| 23 | Alison Fitch | 27.28 | ||
| 23 | Sarah Evanetz | 27.28 | ||
| 25 | Jolie Workman | 27.32 | ||
| 26 | Janet Cook | 27.34 | ||
| 27 | Caroline Pickering | 27.46 | ||
| 28 | Sung Yi-chieh | 28.02 | ||
| 29 | Candice Crafford | 28.13 | ||
| 30 | Candice Nethercott | 28.78 |
Semifinals
The semifinals were held on August 28.| Rank | Name | Nationality | Time | Notes |
| 1 | Jenny Thompson | 25.64 | Q | |
| 2 | Liesl Kolbisen | 25.74 | Q | |
| 3 | Kari Haag-Woodall | 26.05 | Q | |
| 4 | Toni Jeffs | 26.15 | Q | |
| 5 | Charlene Wittstock | 26.20 | Q | |
| 6 | Laura Nicholls | 26.23 | Q | |
| 7 | Rebecca Creedy | 26.24 | Q | |
| 8 | Anna Lydall | 26.30 | Q | |
| 9 | Sarah Ryan | 26.43 | ||
| 10 | Vivienne Rignall | 26.61 | ||
| 11 | Stacey Bowley | 26.62 | ||
| 12 | Samantha Arsenault | 26.63 | ||
| 13 | Jenna Gresdal | 26.67 | ||
| 14 | Melanie Dodd | 26.85 | ||
| 15 | Monique Robins | 26.94 | ||
| 16 | Renate du Plessis | 26.96 |
Final
The final was held on August 29.| Rank | Lane | Nationality | Time | Notes |
| Jenny Thompson | 25.51 | |||
| Sarah Ryan | 25.95 | |||
| Liesl Kolbisen | 25.97 | |||
| 4 | Rebecca Creedy | 26.13 | ||
| 5 | Laura Nicholls | 26.16 | ||
| 6 | Charlene Wittstock | 26.28 | ||
| 7 | Toni Jeffs | 26.30 | ||
| 8 | Anna Lydall | 26.58 |