| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Freestyle | 1:41.42 | 2026 Stingrays Annual Spring Break Invitational | 2026-03-06 |
| 100m IM | 1:58.76 | Sharks IM Sprint Endurance Challenge | 2026-02-07 |
| 25m Breaststroke | 36.55 | 12 & Under Jamboree | 2025-05-10 |
| 25m Butterfly | 30.32 | 12 & Under Jamboree | 2025-05-10 |
| 50m Backstroke | 53.51 | Sharks IM Sprint Endurance Challenge | 2026-02-07 |
| 50m Breaststroke | 1:05.85 | Sharks IM Sprint Endurance Challenge | 2026-02-07 |
| 50m Butterfly | 58.18 | 2026 Stingrays Annual Spring Break Invitational | 2026-03-06 |
| 50m Freestyle | 45.41 | 2026 Stingrays Annual Spring Break Invitational | 2026-03-06 |
Thompson-Chomyshyn, Kai's top personal bests include 100m Freestyle (1:41.42), 100m IM (1:58.76), 25m Breaststroke (36.55), 25m Butterfly (30.32), 50m Backstroke (53.51).
Thompson-Chomyshyn, Kai swims for Campbell River Killer Whales.
Thompson-Chomyshyn, Kai has competed in 5 meets.