| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:23.63 | Edmonton Open 2026 | 2026-01-30 |
| 100m Backstroke | 1:18.82 | Red Deer Catalina Valentine Meet | 2026-02-07 |
| 100m Breaststroke | 1:53.15 | APSC In-House Spring Meet 2026 | 2026-03-01 |
| 100m Butterfly | 1:22.31 | Sandy Ferris Age Group Food Bank Challenge 2025 | 2025-12-19 |
| 100m Freestyle | 1:11.76 | Edmonton Open 2026 | 2026-01-30 |
| 100m Freestyle | 1:09.67 | Red Deer Catalina Valentine Meet | 2026-02-07 |
| 100m IM | 1:26.29 | Jack Frost 2025 | 2025-10-24 |
| 200m Backstroke | 2:52.31 | Red Deer Catalina Valentine Meet | 2026-02-07 |
| 200m Freestyle | 2:51.08 | APSC In-House Spring Meet 2026 | 2026-03-01 |
| 200m IM | 3:00.72 | Red Deer Catalina Valentine Meet | 2026-02-07 |
| 50m Backstroke | 38.90 | Edmonton Open 2026 | 2026-01-30 |
| 50m Backstroke | 37.15 | Sandy Ferris Age Group Food Bank Challenge 2025 | 2025-12-19 |
| 50m Breaststroke | 49.18 | Jack Frost 2025 | 2025-10-24 |
| 50m Butterfly | 34.59 | Edmonton Open 2026 | 2026-01-30 |
| 50m Butterfly | 33.96 | Red Deer Catalina Valentine Meet | 2026-02-07 |
| 50m Freestyle | 31.25 | Sandy Ferris Age Group Food Bank Challenge 2025 | 2025-12-19 |
| 800m Freestyle | 12:00.70 | Red Deer Catalina Valentine Meet | 2026-02-07 |
Demers Cook, Kayleen's top personal bests include 100m Backstroke (1:23.63), 100m Backstroke (1:18.82), 100m Breaststroke (1:53.15), 100m Butterfly (1:22.31), 100m Freestyle (1:11.76).
Demers Cook, Kayleen swims for Airdrie Phoenix Swim Club.
Demers Cook, Kayleen has competed in 5 meets.