Top personal bests across all competitions
| # | Name | Team | Age | Time | Date |
|---|---|---|---|---|---|
| 1 | Wang, Yi Shun CPS · 16 | CPS | 16 | 8:15.63 | 2025-04-14 |
| 2 | Lai, King Wo |
| WTS |
| 18 |
| 8:22.17 |
| 2025-08-18 |
| 3 | Liao, Xian Hao Jonathan HJC · 16 | HJC | 16 | 8:24.57 | 2016-02-22 |
| 4 | He, Shing Ip CPS · 18 | CPS | 18 | 8:24.74 | 2024-10-02 |
| 5 | Cheuk, Ming Ho CPS · 15 | CPS | 15 | 8:25.47 | 2018-12-02 |
| 6 | Williams, Miles Jing SCA · 17 | SCA | 17 | 8:25.92 | 2016-02-22 |
| 7 | So, Kwun Wa WDA · 16 | WDA | 16 | 8:26.79 | 2024-07-15 |
| 8 | Ip, Ali TPS · 18 | TPS | 18 | 8:27.48 | 2025-11-03 |
| 9 | Lau, Chor Tik WTS · 15 | WTS | 15 | 8:28.23 | 2025-09-07 |
| 10 | Lam, Chak Hang HVA · 17 | HVA | 17 | 8:28.37 | 2018-12-02 |
| 11 | Sun, Maokun WTS · 14 | WTS | 14 | 8:29.17 | 2025-11-03 |
| 12 | Kwok, Chun Hei HTA · 17 | HTA | 17 | 8:32.01 | 2021-06-28 |
| 13 | Chan, Wai Ching Adrian HTA · 14 | HTA | 14 | 8:34.52 | 2024-11-18 |
| 14 | Chen, Eric Q HIS · 15 | HIS | 15 | 8:35.15 | 2025-04-14 |
| 15 | Kwong, Jacob Yat Nam WTS · 18 | WTS | 18 | 8:35.43 | 2024-10-02 |
| 16 | Sum, Ka Lok Lino WDA · 19 | WDA | 19 | 8:35.52 | 2023-08-21 |
| 17 | Liao, Zitong CPS · 15 | CPS | 15 | 8:35.78 | 2025-08-18 |
| 18 | Han, Pak Kiu HTA · 14 | HTA | 14 | 8:37.09 | 2024-03-12 |
| 19 | Chan, Wah Royce HSW · 17 | HSW | 17 | 8:37.35 | 2025-11-03 |
| 20 | Wong, Ming Hong HTA · 14 | HTA | 14 | 8:37.69 | 2015-06-03 |
| 21 | Tse, Hon Ting *EA · 16 | *EA | 16 | 8:38.22 | 2015-06-03 |
| 22 | Lam, Marcus Pak Hei WTS · 15 | WTS | 15 | 8:38.60 | 2025-11-03 |
| 23 | Tsang, Lok Hei SYS · 21 | SYS | 21 | 8:39.08 | 2025-09-07 |
| 24 | Law, Lok Hei WTS · 18 | WTS | 18 | 8:39.52 | 2025-11-03 |
| 25 | Chan, Chun Hei JHC · 21 | JHC | 21 | 8:39.57 | 2018-12-02 |