| Event | Time | Meet | Date |
|---|---|---|---|
| 25m Backstroke | 36.79 | Mini OAKS Meet #3 | 2025-06-21 |
| 25m Breaststroke | 32.22 | Mini OAKS Meet #1 - 2025 | 2025-11-29 |
| 25m Freestyle | 30.26 | Mini OAKS Meet #3 | 2025-06-21 |
| 50m Freestyle | 1:11.76 | Mini OAKS Meet #1 - 2025 | 2025-11-29 |
Lieu, Gemma's top personal bests include 25m Backstroke (36.79), 25m Breaststroke (32.22), 25m Freestyle (30.26), 50m Freestyle (1:11.76).
Lieu, Gemma swims for Oakville Aquatic Club.
Lieu, Gemma has competed in 2 meets.