| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:16.16 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m Breaststroke | 1:28.86 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m Butterfly | 1:13.51 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m Freestyle | 1:04.06 | 2025 Age Group International SC | 2025-11-27 |
| 1500m Freestyle | 4:35.13 | ESWIM Distance Time Trial | 2025-11-11 |
| 200m Backstroke | 2:45.26 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 200m Butterfly | 3:04.44 | ESWIM January Time Trial | 2026-01-20 |
| 200m Freestyle | 2:20.78 | 2025 Age Group International SC | 2025-11-27 |
| 200m IM | 2:42.11 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 400m Freestyle | 5:06.34 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 400m IM | 5:49.39 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Backstroke | 35.70 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 50m Butterfly | 32.71 | 2025 Age Group International SC | 2025-11-27 |
| 50m Freestyle | 29.33 | 2025 Age Group International SC | 2025-11-27 |
| 800m Freestyle | 10:43.29 | 2025 Murray Drudge Invitational | 2025-12-05 |
Lackner, Kaia's top personal bests include 100m Backstroke (1:16.16), 100m Breaststroke (1:28.86), 100m Butterfly (1:13.51), 100m Freestyle (1:04.06), 1500m Freestyle (4:35.13).
Lackner, Kaia swims for Etobicoke Swim Club.
Lackner, Kaia has competed in 14 meets.