| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:46.54 | MAC Rising Star #1 | 2025-11-08 |
| 100m Breaststroke | 2:11.08 | 2026 Future Stars League #3 - NYAC | 2026-02-08 |
| 100m Freestyle | 1:36.08 | MAC Rising Star #1 | 2025-11-08 |
| 100m IM | 1:52.62 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 25m Butterfly | 26.05 | 2025 York Santa Meet | 2025-12-14 |
| 50m Backstroke | 54.70 | 2025 Red vs Black #1 | 2025-10-05 |
| 50m Breaststroke | 1:01.15 | 2025 Red vs Black #1 | 2025-10-05 |
| 50m Butterfly | 1:02.81 | MAC Rising Star #1 | 2025-11-08 |
| 50m Freestyle | 45.35 | 2026 Future Stars League #3 - NYAC | 2026-02-08 |
Cheung, Thomas's top personal bests include 100m Backstroke (1:46.54), 100m Breaststroke (2:11.08), 100m Freestyle (1:36.08), 100m IM (1:52.62), 25m Butterfly (26.05).
Cheung, Thomas swims for North York Aquatic Club.
Cheung, Thomas has competed in 7 meets.