| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Freestyle | 1:51.78 | Mini OAKS Meet #3 | 2025-06-21 |
| 25m Butterfly | 28.94 | Mini OAKS Meet #3 | 2025-06-21 |
| 50m Backstroke | 57.44 | Mini OAKS Meet #3 | 2025-06-21 |
Lee, Hayoon's top personal bests include 100m Freestyle (1:51.78), 25m Butterfly (28.94), 50m Backstroke (57.44).
Lee, Hayoon swims for Oakville Aquatic Club.
Lee, Hayoon has competed in 1 meets.