Top personal bests across all competitions
| # | Name | Team | Age | Time | Date |
|---|---|---|---|---|---|
| 1 | Haughey, Siobhan Bernadette SCA · 23 | SCA | 23 | 52.92 | 2021-06-20 |
| 2 | Li, Sum Yiu |
| WDA |
| 15 |
| 54.98 |
| 2025-04-14 |
| 3 | Tam, Hoi Lam CUC · 22 | CUC | 22 | 55.14 | 2021-04-18 |
| 4 | Cheng, Camille Lily Mei HTA · 28 | HTA | 28 | 55.62 | 2021-06-20 |
| 5 | Ho, Nam Wai Tinky WTS · 19 | WTS | 19 | 56.08 | 2021-06-28 |
| 6 | Au, Hoi Shun Stephanie DWA · 25 | DWA | 25 | 56.16 | 2018-04-16 |
| 7 | Ma, Gilaine TPS · 16 | TPS | 16 | 56.17 | 2025-04-14 |
| 8 | Sze, Hang Yu WTS · 28 | WTS | 28 | 56.24 | 2016-04-18 |
| 9 | Kan, Cheuk Tung Natalie HVA · 19 | HVA | 19 | 56.42 | 2021-06-28 |
| 10 | Lau, Ping Yi Audrey HTA · 14 | HTA | 14 | 56.65 | 2019-11-28 |
| 11 | Cheng, Chloe PSC · 16 | PSC | 16 | 56.76 | 2021-06-02 |
| 12 | Wong, Sze Ting WTS · 14 | WTS | 14 | 56.78 | 2019-04-13 |
| 13 | Chan, Kin Lok WTS · 25 | WTS | 25 | 57.04 | 2019-10-15 |
| 14 | Tang, Tsoi Lam Katii HVA · 19 | HVA | 19 | 57.16 | 2021-06-28 |
| 15 | Lau, Yin Yan Claudia DLS · 23 | DLS | 23 | 57.36 | 2016-11-08 |
| 16 | Yu, Wai Ting HTA · 22 | HTA | 22 | 57.37 | 2016-05-20 |
| 17 | Kwok Sabrina, Christine Ying SCA · 18 | SCA | 18 | 57.67 | 2015-07-20 |
| 18 | Li, Yu Qing WTS · 16 | WTS | 16 | 57.82 | 2025-11-03 |
| 19 | Lam, Chelsie DLS · 17 | DLS | 17 | 57.84 | 2025-07-30 |
| 20 | Tang, Kai Ting HTA · 15 | HTA | 15 | 57.91 | 2025-04-14 |
| 21 | Lee, Yan Hei WTS · 14 | WTS | 14 | 57.94 | 2019-11-28 |
| 22 | Mok, Hoi Man Sheron PSC · 24 | PSC | 24 | 58.05 | 2019-11-28 |
| 23 | Wong, Cho Ying WTS · 16 | WTS | 16 | 58.15 | 2017-04-18 |
| 24 | Man, Wui Kiu CPS · 15 | CPS | 15 | 58.19 | 2025-07-30 |
| 25 | Leung, Wing Tsun Rachel WTS · 17 | WTS | 17 | 58.36 | 2024-05-17 |