| CPS |
| 16 |
| 4:29.27 |
| 2025-04-14 |
| 3 | To, Kenneth King Him LWS · 25 | LWS | 25 | 4:30.89 | 2017-07-17 |
| 4 | Lau, Ping Chi HTA · 17 | HTA | 17 | 4:30.99 | 2019-11-28 |
| 5 | Cheung, Ryan CPS · 16 | CPS | 16 | 4:32.30 | 2023-04-17 |
| 6 | Mok, Kai Tik Marcus WTS · 16 | WTS | 16 | 4:32.36 | 2017-11-06 |
| 7 | Mak, Sai Ting Adam HTA · 18 | HTA | 18 | 4:32.46 | 2025-07-24 |
| 8 | Chen, Eric Q HIS · 16 | HIS | 16 | 4:33.17 | 2025-11-03 |
| 9 | Lau, Kin Hei James HTA · 14 | HTA | 14 | 4:34.49 | 2023-06-10 |
| 10 | Little Llewellyn, Harry Mait HTA · 22 | HTA | 22 | 4:35.02 | 2015-11-11 |
| 11 | Wan, Chun Lim PSC · 19 | PSC | 19 | 4:35.14 | 2025-08-18 |
| 12 | Lo, Tsz Lam WTS · 17 | WTS | 17 | 4:36.13 | 2024-11-18 |
| 13 | Williams, Miles Jing SCA · 17 | SCA | 17 | 4:37.38 | 2015-07-20 |
| 14 | Chen, Zheng Xuan Jason HTA · 13 | HTA | 13 | 4:37.78 | 2025-11-03 |
| 15 | Caglar, Mehmet Emre HIS · 16 | HIS | 16 | 4:38.63 | 2023-04-17 |
| 16 | Cheuk, Ming Ho CPS · 14 | CPS | 14 | 4:38.72 | 2017-04-18 |
| 17 | Wong, Yik Yan Sean SCA · 18 | SCA | 18 | 4:39.23 | 2025-08-18 |
| 18 | Liao, Xian Hao Jonathan HJC · 18 | HJC | 18 | 4:39.32 | 2017-07-17 |
| 19 | Ng, Michael Yu Hin CPS · 19 | CPS | 19 | 4:39.44 | 2019-11-28 |
| 20 | Lu, Pat Fan SYS · 16 | SYS | 16 | 4:39.45 | 2022-08-22 |
| 21 | Wong, Benson DLS · 19 | DLS | 19 | 4:39.57 | 2022-08-22 |
| 22 | Sin, Chin Ting Keith SCA · 20 | SCA | 20 | 4:39.70 | 2015-01-09 |
| 23 | Lam, Chak Hang HVA · 17 | HVA | 17 | 4:40.50 | 2018-08-13 |
| 24 | Lam, Wai Lok SYS · 16 | SYS | 16 | 4:40.84 | 2025-08-18 |
| 25 | Lai, King Wo WTS · 18 | WTS | 18 | 4:41.34 | 2025-07-24 |