| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:19.04 | Summer Provincial Trials LC | 2025-06-27 |
| 100m Breaststroke | 1:29.86 | Edmonton Open 2026 | 2026-01-30 |
| 100m Breaststroke | 1:24.22 | Winter Provincial Trials | 2026-03-06 |
| 100m Butterfly | 1:18.68 | Summer Provincial Championships LC | 2025-07-24 |
| 100m Butterfly | 1:13.48 | Cascade Speed Meet 2025 Provincial Series #1 | 2025-11-08 |
| 100m Freestyle | 1:04.91 | Summer Provincial Trials LC | 2025-06-27 |
| 100m Freestyle | 1:03.50 | OSC J.P. Fiset Invitational | 2025-12-11 |
| 100m IM | 1:17.47 | OSC HOME OPENER | 2025-10-19 |
| 200m Breaststroke | 3:16.50 | Edmonton Open 2026 | 2026-01-30 |
| 200m Freestyle | 2:25.09 | Summer Provincial Championships LC | 2025-07-24 |
| 200m Freestyle | 2:18.58 | Winter Provincial Trials | 2026-03-06 |
| 200m IM | 2:45.91 | Blue Bears Invitational | 2026-01-16 |
| 400m Freestyle | 5:19.24 | Summer Provincial Trials LC | 2025-06-27 |
| 400m IM | 6:07.12 | Blue Bears Invitational | 2026-01-16 |
| 50m Backstroke | 37.19 | Summer Provincial Championships LC | 2025-07-24 |
| 50m Backstroke | 35.45 | OSC J.P. Fiset Invitational | 2025-12-11 |
| 50m Breaststroke | 40.48 | Edmonton Open 2026 | 2026-01-30 |
| 50m Breaststroke | 38.79 | Winter Provincial Trials | 2026-03-06 |
| 50m Butterfly | 33.11 | Summer Provincial Trials LC | 2025-06-27 |
| 50m Butterfly | 32.32 | Winter Provincial Trials | 2026-03-06 |
| 50m Freestyle | 29.01 | Summer Provincial Trials LC | 2025-06-27 |
| 50m Freestyle | 28.51 | Winter Provincial Trials | 2026-03-06 |
| 800m Freestyle | 10:33.93 | Blue Bears Invitational | 2026-01-16 |
Cheung, Kai's top personal bests include 100m Backstroke (1:19.04), 100m Breaststroke (1:29.86), 100m Breaststroke (1:24.22), 100m Butterfly (1:18.68), 100m Butterfly (1:13.48).
Cheung, Kai swims for Olympian Swim Club.
Cheung, Kai has competed in 8 meets.