| Event | Time | Meet | Date |
|---|---|---|---|
| 25m Backstroke | 27.78 | OSHAC Spring Fling | 2025-05-31 |
| 25m Breaststroke | 41.29 | OSHAC Spring Fling | 2025-05-31 |
| 25m Butterfly | 35.31 | OSHAC Spring Fling | 2025-05-31 |
| 25m Freestyle | 32.53 | OSHAC Spring Fling | 2025-05-31 |
Wesseling, Greyson's top personal bests include 25m Backstroke (27.78), 25m Breaststroke (41.29), 25m Butterfly (35.31), 25m Freestyle (32.53).
Wesseling, Greyson swims for Oshawa Aquatic Club.
Wesseling, Greyson has competed in 1 meets.