| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Breaststroke | 1:35.18 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 100m Freestyle | 1:10.76 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 200m Breaststroke | 3:28.55 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 200m Freestyle | 2:43.61 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 50m Butterfly | 39.88 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 50m Freestyle | 31.43 | 2026 Steve Kingston Memorial | 2026-03-06 |
Jung, Seoyoon's top personal bests include 100m Breaststroke (1:35.18), 100m Freestyle (1:10.76), 200m Breaststroke (3:28.55), 200m Freestyle (2:43.61), 50m Butterfly (39.88).
Jung, Seoyoon swims for Vaughan Aquatic Club.
Jung, Seoyoon has competed in 1 meets.