Top personal bests across all competitions
| # | Name | Team | Age | Time | Date |
|---|---|---|---|---|---|
| 1 | Tam, Hoi Lam CUC · 24 | CUC | 24 | 53.98 | 2022-09-05 |
| 2 | Li, Sum Yiu |
| WDA |
| 15 |
| 53.99 |
| 2025-02-10 |
| 3 | Ma, Gilaine TPS · 16 | TPS | 16 | 54.07 | 2025-02-10 |
| 4 | Sze, Hang Yu WTS · 33 | WTS | 33 | 54.34 | 2021-07-11 |
| 5 | Cheng, Camille Lily Mei HTA · 25 | HTA | 25 | 54.49 | 2019-03-08 |
| 6 | Kan, Cheuk Tung Natalie HVA · 21 | HVA | 21 | 55.00 | 2023-05-29 |
| 7 | Ho, Nam Wai Tinky WTS · 20 | WTS | 20 | 55.02 | 2022-07-18 |
| 8 | Tang, Tsoi Lam Katii HVA · 19 | HVA | 19 | 55.02 | 2021-07-11 |
| 9 | Au, Hoi Shun Stephanie DWA · 25 | DWA | 25 | 55.21 | 2018-12-03 |
| 10 | Wong, Sze Ting WTS · 14 | WTS | 14 | 55.22 | 2019-03-08 |
| 11 | Li, Yu Qing WTS · 16 | WTS | 16 | 55.47 | 2026-02-10 |
| 12 | Wong, Cho Ying WTS · 16 | WTS | 16 | 55.78 | 2017-03-16 |
| 13 | Lau, Ping Yi Audrey HTA · 14 | HTA | 14 | 55.93 | 2019-12-02 |
| 14 | Cheng, Chloe PSC · 17 | PSC | 17 | 56.00 | 2022-07-18 |
| 15 | Poon, Lok Yan CPS · 18 | CPS | 18 | 56.01 | 2026-02-10 |
| 16 | Chan, Kin Lok WTS · 22 | WTS | 22 | 56.02 | 2016-03-14 |
| 17 | Leung, Wing Tsun Rachel WTS · 19 | WTS | 19 | 56.06 | 2026-02-10 |
| 18 | Tang, Kai Ting HTA · 15 | HTA | 15 | 56.57 | 2025-02-10 |
| 19 | Ma, Tsz Tsing Ashley HTA · 15 | HTA | 15 | 56.67 | 2023-05-29 |
| 20 | Sum, Yi Man TPS · 13 | TPS | 13 | 56.78 | 2025-02-10 |
| 21 | Wong, Chuo Tung HVA · 17 | HVA | 17 | 57.00 | 2023-05-29 |
| 22 | Man, Wui Kiu CPS · 15 | CPS | 15 | 57.06 | 2025-01-22 |
| 23 | Kwok Sabrina, Christine Ying SCA · 18 | SCA | 18 | 57.07 | 2015-03-17 |
| 24 | Ng, Sze Kwan KTC · 16 | KTC | 16 | 57.07 | 2022-11-22 |
| 25 | Lee, Yan Hei WTS · 13 | WTS | 13 | 57.12 | 2019-03-08 |