| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:17.05 | Fins Up 3 | 2026-01-18 |
| 100m Backstroke | 1:17.20 | FinsUp 2 | 2025-11-23 |
| 100m Freestyle | 1:10.45 | Fins Up 3 | 2026-01-18 |
| 100m Freestyle | 1:08.21 | FinsUp 1 | 2025-10-26 |
| 200m Backstroke | 2:48.16 | Fins Up 3 | 2026-01-18 |
| 200m Backstroke | 2:45.11 | FinsUp 1 | 2025-10-26 |
| 200m Freestyle | 2:43.54 | Western Region Long Course Championships | 2025-06-13 |
| 200m Freestyle | 2:32.69 | FinsUp 1 | 2025-10-26 |
| 200m IM | 3:00.73 | Western Region Long Course Championships | 2025-06-13 |
| 400m Freestyle | 5:16.31 | FinsUp 2 | 2025-11-23 |
| 50m Backstroke | 36.16 | Western Region Long Course Championships | 2025-06-13 |
| 50m Backstroke | 34.53 | FinsUp 2 | 2025-11-23 |
Liam Stewart's top personal bests include 100m Backstroke (1:17.05), 100m Backstroke (1:17.20), 100m Freestyle (1:10.45), 100m Freestyle (1:08.21), 200m Backstroke (2:48.16).
Liam Stewart swims for Windsor-Essex Swim Team.
Liam Stewart has competed in 5 meets.