| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:26.97 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 100m Backstroke | 1:19.04 | 2025 NYAC Cup | 2025-11-14 |
| 100m Breaststroke | 1:24.21 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 100m Butterfly | 1:23.23 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 100m Butterfly | 1:17.50 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 100m Freestyle | 1:10.15 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 100m Freestyle | 1:05.08 | 2025 NYAC Cup | 2025-11-14 |
| 100m IM | 1:17.79 | 2025 Downtown Sprint Meet | 2025-10-25 |
| 200m Backstroke | 3:02.99 | MAC Rising Star #2 | 2025-05-30 |
| 200m Backstroke | 2:43.04 | 2025 NYAC Cup | 2025-11-14 |
| 200m Breaststroke | 3:33.77 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 200m Breaststroke | 3:04.24 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 200m Freestyle | 2:35.12 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 200m Freestyle | 2:23.50 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 200m IM | 2:58.78 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 200m IM | 2:40.88 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 400m Freestyle | 5:37.35 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 400m Freestyle | 5:19.26 | OUA & Club Winter Invitational | 2026-01-17 |
| 400m IM | 5:49.07 | OUA & Club Winter Invitational | 2026-01-17 |
| 50m Backstroke | 40.72 | MAC Rising Star #2 | 2025-05-30 |
| 50m Backstroke | 37.28 | 2025 Downtown Sprint Meet | 2025-10-25 |
| 50m Breaststroke | 46.93 | MAC Rising Star #2 | 2025-05-30 |
| 50m Breaststroke | 39.23 | OUA & Club Winter Invitational | 2026-01-17 |
| 50m Butterfly | 36.73 | MAC Rising Star #2 | 2025-05-30 |
| 50m Butterfly | 33.29 | 2025 MSSAC Open | 2025-12-19 |
| 50m Freestyle | 31.88 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 50m Freestyle | 29.64 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 800m Freestyle | 10:48.50 | Wilmot Aces Spring Classic 2026 | 2026-03-13 |
Kislenko, Katerina's top personal bests include 100m Backstroke (1:26.97), 100m Backstroke (1:19.04), 100m Breaststroke (1:24.21), 100m Butterfly (1:23.23), 100m Butterfly (1:17.50).
Kislenko, Katerina swims for Toronto Swim Club.
Kislenko, Katerina has competed in 12 meets.