| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 2:02.76 | BAC SC Fall Invitational | 2025-11-07 |
| 50m Breaststroke | 1:06.65 | BAC SC Fall Invitational | 2025-11-07 |
Cook, Gwenyth's top personal bests include 100m Backstroke (2:02.76), 50m Breaststroke (1:06.65).
Cook, Gwenyth swims for Golden Horseshoe Aquatic Club.
Cook, Gwenyth has competed in 1 meets.