| Event | Time | Meet | Date |
|---|---|---|---|
| 25m Breaststroke | 41.57 | 2025-2026 SSAT Invitational - NEOR 1 | 2025-10-25 |
| 50m Freestyle | 55.88 | 2025-2026 SSAT Invitational - NEOR 1 | 2025-10-25 |
Thomson, Joseph's top personal bests include 25m Breaststroke (41.57), 50m Freestyle (55.88).
Thomson, Joseph swims for Sault Surge Aquatic Team.
Thomson, Joseph has competed in 1 meets.