| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Butterfly | 1:03.70 | East Coast Championships | 2025-07-10 |
| 100m Freestyle | 58.94 | 2025 Eastern Ontario LC Regional Championships | 2025-06-05 |
| 200m Freestyle | 2:11.38 | 2025 Eastern Ontario LC Regional Championships | 2025-06-05 |
| 200m IM | 2:23.82 | East Coast Championships | 2025-07-10 |
| 400m Freestyle | 4:33.99 | 2025 Eastern Ontario LC Regional Championships | 2025-06-05 |
| 400m IM | 5:05.18 | 2025 Eastern Ontario LC Regional Championships | 2025-06-05 |
| 800m Freestyle | 9:35.60 | 2025 Eastern Ontario LC Regional Championships | 2025-06-05 |
Thomson, Ben's top personal bests include 100m Butterfly (1:03.70), 100m Freestyle (58.94), 200m Freestyle (2:11.38), 200m IM (2:23.82), 400m Freestyle (4:33.99).
Thomson, Ben swims for ROC Swimming.
Thomson, Ben has competed in 2 meets.