| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:24.47 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 100m Breaststroke | 1:32.21 | RHAC Winter Invitational 2026 | 2026-01-16 |
| 100m Breaststroke | 1:29.42 | 2025 NYAC Cup | 2025-11-14 |
| 100m Butterfly | 1:33.32 | 2025 RHAC Summer League | 2025-07-18 |
| 100m Freestyle | 1:17.09 | RHAC Winter Invitational 2026 | 2026-01-16 |
| 100m Freestyle | 1:12.76 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m IM | 1:26.22 | 2025 RHAC Summer League | 2025-07-18 |
| 200m Breaststroke | 3:09.48 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 200m Breaststroke | 3:08.50 | 2025 NYAC Cup | 2025-11-14 |
| 200m Freestyle | 2:46.15 | RHAC Winter Invitational 2026 | 2026-01-16 |
| 200m Freestyle | 2:37.28 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 200m IM | 3:08.79 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 200m IM | 2:58.88 | 2025 NYAC Cup | 2025-11-14 |
| 400m Freestyle | 5:48.31 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 50m Backstroke | 42.79 | BAD Outdoor LC Invitational | 2025-06-20 |
| 50m Backstroke | 41.73 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Breaststroke | 40.19 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 50m Breaststroke | 39.45 | 2025 NYAC Cup | 2025-11-14 |
| 50m Butterfly | 38.16 | BAD Outdoor LC Invitational | 2025-06-20 |
| 50m Butterfly | 39.37 | MAC Jingle Bell | 2025-12-12 |
| 50m Freestyle | 34.78 | RHAC Winter Invitational 2026 | 2026-01-16 |
| 50m Freestyle | 32.55 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
Su, Thomas's top personal bests include 100m Backstroke (1:24.47), 100m Breaststroke (1:32.21), 100m Breaststroke (1:29.42), 100m Butterfly (1:33.32), 100m Freestyle (1:17.09).
Su, Thomas swims for Toronto Olympian Swim Team.
Su, Thomas has competed in 10 meets.