Top personal bests across all competitions
| # | Name | Team | Age | Time | Date |
|---|---|---|---|---|---|
| 1 | Cheng, Chloe PSC · 16 | PSC | 16 | 4:48.58 | 2021-06-28 |
| 2 | Wang, Xin Tong |
| WTS |
| 14 |
| 4:50.76 |
| 2023-04-17 |
| 3 | Ng, Lai Wa HTA · 19 | HTA | 19 | 4:51.55 | 2025-07-24 |
| 4 | Liu, Karen HTA · 19 | HTA | 19 | 4:51.95 | 2019-04-13 |
| 5 | Wong, Ching Lam WTS · 21 | WTS | 21 | 4:52.47 | 2023-04-17 |
| 6 | Gao, Jialian Candice CPS · 13 | CPS | 13 | 4:52.61 | 2025-08-18 |
| 7 | Lam, Hoi Kiu HTA · 15 | HTA | 15 | 4:55.08 | 2019-04-13 |
| 8 | Wong, Hoi Wai WTS · 16 | WTS | 16 | 4:56.87 | 2023-04-17 |
| 9 | Wong, Cho Ying WTS · 16 | WTS | 16 | 4:57.23 | 2017-04-18 |
| 10 | Ma, Malia HTA · 17 | HTA | 17 | 4:57.42 | 2025-07-24 |
| 11 | Ma, Tsz Tsing Ashley HTA · 17 | HTA | 17 | 5:00.83 | 2025-08-18 |
| 12 | Tang, Man Rao Jasmine TPS · 14 | TPS | 14 | 5:00.96 | 2022-11-09 |
| 13 | Lam, Chelsie DLS · 16 | DLS | 16 | 5:02.03 | 2025-04-14 |
| 14 | Chan, Dana Ann PSC · 14 | PSC | 14 | 5:02.54 | 2017-04-18 |
| 15 | Chan, Yi Lok WTS · 14 | WTS | 14 | 5:02.81 | 2025-04-14 |
| 16 | Ho, So Wai HTA · 17 | HTA | 17 | 5:03.23 | 2025-08-18 |
| 17 | Tang, Tsoi Lam Katii HVA · 15 | HVA | 15 | 5:03.53 | 2017-07-17 |
| 18 | Wong, Yuk Yan HTA · 17 | HTA | 17 | 5:04.04 | 2016-11-08 |
| 19 | Tung, Sze Mang HVA · 14 | HVA | 14 | 5:04.16 | 2022-08-22 |
| 20 | Ho, Tin Wing HTA · 15 | HTA | 15 | 5:04.22 | 2025-07-24 |
| 21 | Du, Zheng FDL · 18 | FDL | 18 | 5:04.24 | 2022-08-22 |
| 22 | Ma, Gilaine TPS · 16 | TPS | 16 | 5:04.40 | 2025-07-24 |
| 23 | Mok, Sze Ki HVA · 12 | HVA | 12 | 5:04.63 | 2019-10-15 |
| 24 | Chang, Yujuan WTS · 16 | WTS | 16 | 5:05.13 | 2016-11-08 |
| 25 | Wong, Po Yin HVA · 14 | HVA | 14 | 5:05.89 | 2019-11-28 |