| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:16.50 | Western Region Long Course Championships | 2025-06-13 |
| 100m Butterfly | 1:10.94 | Western Region Long Course Championships | 2025-06-13 |
| 200m IM | 2:49.12 | Fins Up 6 - Chumming for Times | 2025-05-25 |
| 50m Breaststroke | 37.33 | Western Region Long Course Championships | 2025-06-13 |
| 50m Butterfly | 29.08 | Western Region Long Course Championships | 2025-06-13 |
| 50m Freestyle | 27.47 | Western Region Long Course Championships | 2025-06-13 |
Trinh, William's top personal bests include 100m Backstroke (1:16.50), 100m Butterfly (1:10.94), 200m IM (2:49.12), 50m Breaststroke (37.33), 50m Butterfly (29.08).
Trinh, William swims for CHATHAM Y POOL SHARKS.
Trinh, William has competed in 2 meets.