| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 2:10.70 | GHAC Winter Invitational SCM | 2026-03-06 |
| 100m Breaststroke | 2:05.58 | GHAC Winter Invitational SCM | 2026-03-06 |
| 100m Freestyle | 1:47.76 | GHAC Winter Invitational SCM | 2026-03-06 |
| 200m Backstroke | 4:29.78 | Friday Night at the Races #3 | 2026-03-13 |
| 200m Freestyle | 4:01.66 | Friday Night at the Races #3 | 2026-03-13 |
| 50m Backstroke | 1:00.77 | Friday Night at the Races #2 | 2025-12-12 |
| 50m Breaststroke | 59.03 | COBRA 2026 Stephen Clarke Classic | 2026-01-10 |
| 50m Butterfly | 1:06.27 | GHAC Winter Invitational SCM | 2026-03-06 |
| 50m Freestyle | 51.45 | COBRA 2026 Stephen Clarke Classic | 2026-01-10 |
Maternowski, Kaya's top personal bests include 100m Backstroke (2:10.70), 100m Breaststroke (2:05.58), 100m Freestyle (1:47.76), 200m Backstroke (4:29.78), 200m Freestyle (4:01.66).
Maternowski, Kaya swims for Halton Hills Blue Fins.
Maternowski, Kaya has competed in 8 meets.