Top personal bests across all competitions
| # | Name | Team | Age | Time | Date |
|---|---|---|---|---|---|
| 1 | To, Kenneth King Him LWS · 24 | LWS | 24 | 2:00.40 | 2017-04-18 |
| 2 | Lo, Tsz Lam |
| WTS |
| 18 |
| 2:03.63 |
| 2026-04-13 |
| 3 | Lau, Ping Chi HTA · 20 | HTA | 20 | 2:03.83 | 2023-08-21 |
| 4 | Mak, Sai Ting Adam HTA · 17 | HTA | 17 | 2:04.94 | 2024-07-15 |
| 5 | Lau, Kin Hei James HTA · 14 | HTA | 14 | 2:05.10 | 2023-04-17 |
| 6 | Mok, Kai Tik Marcus WTS · 21 | WTS | 21 | 2:05.15 | 2022-11-09 |
| 7 | Whittington, Peter Harry DLS · 19 | DLS | 19 | 2:05.38 | 2023-04-17 |
| 8 | Mak, Ho Lun Raymond HTA · 23 | HTA | 23 | 2:05.81 | 2016-05-20 |
| 9 | Eric Q Chen HKG · 17 | HKG | 17 | 2:05.96 | 2026-04-03 |
| 10 | Fung, Chun Ho HTA · 21 | HTA | 21 | 2:08.05 | 2019-04-13 |
| 11 | Chan, Tsz Chiu KGC · 22 | KGC | 22 | 2:08.08 | 2025-09-07 |
| 12 | Lu, Pat Fan SYS · 16 | SYS | 16 | 2:08.34 | 2022-08-22 |
| 13 | Wang, Yi Shun CPS · 16 | CPS | 16 | 2:08.43 | 2024-10-02 |
| 14 | Wan, Chun Lim PSC · 19 | PSC | 19 | 2:08.52 | 2025-11-03 |
| 15 | Liao, Xian Hao Jonathan HJC · 18 | HJC | 18 | 2:08.61 | 2017-04-18 |
| 16 | Cheuk, Ming Ho CPS · 17 | CPS | 17 | 2:08.64 | 2019-11-28 |
| 17 | Chan, Chun Hei JHC · 19 | JHC | 19 | 2:08.66 | 2015-01-09 |
| 18 | Cheung, Ryan CPS · 17 | CPS | 17 | 2:08.68 | 2024-05-17 |
| 19 | Yang, Hin Ho Boris HJC · 20 | HJC | 20 | 2:08.80 | 2019-10-15 |
| 20 | Kwan, Hayden PSC · 19 | PSC | 19 | 2:08.89 | 2022-06-27 |
| 21 | Lam, Wai Lok SYS · 17 | SYS | 17 | 2:09.58 qQT | 2026-04-13 |
| 22 | Wong, Yik Yan Sean SCA · 18 | SCA | 18 | 2:09.65 | 2026-04-13 |
| 23 | Wong, Kaden Lok Fung HTA · 16 | HTA | 16 | 2:09.75 | 2025-08-18 |
| 24 | Chi, Oscar DLS · 18 | DLS | 18 | 2:09.86 | 2017-11-06 |
| 25 | Little Llewellyn, Harry Mait HTA · 22 | HTA | 22 | 2:09.97 | 2015-11-11 |