| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Butterfly | 1:03.90 | UBC University Cup Pacific 2025 | 2025-11-08 |
| 200m Butterfly | 2:24.01 | UBC University Cup Pacific 2025 | 2025-11-08 |
| 200m IM | 2:24.01 | UBC University Cup Pacific 2025 | 2025-11-08 |
| 50m Butterfly | 29.58 | Dino Invitational 2025 | 2025-10-31 |
Oleszczuk, Monica's top personal bests include 100m Butterfly (1:03.90), 200m Butterfly (2:24.01), 200m IM (2:24.01), 50m Butterfly (29.58).
Oleszczuk, Monica swims for University of Calgary.
Oleszczuk, Monica has competed in 2 meets.