| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:42.91 | Norm Banfield Memorial Open Development Meet | 2025-10-03 |
| 100m IM | 1:39.36 | Norm Banfield Memorial Open Development Meet | 2025-10-03 |
| 200m Freestyle | 3:25.64 | Craven SPORT Services Racing Series #2 | 2025-11-15 |
| 200m IM | 3:54.03 | Winter Solstice | 2025-11-29 |
| 400m Freestyle | 7:30.86 | Norm Banfield Memorial Open Development Meet | 2025-10-03 |
| 50m Backstroke | 43.59 | Craven SPORT Services Racing Series #2 | 2025-11-15 |
| 50m Breaststroke | 50.75 | Norm Banfield Memorial Open Development Meet | 2025-10-03 |
| 50m Butterfly | 49.54 | Norm Banfield Memorial Open Development Meet | 2025-10-03 |
| 50m Freestyle | 37.90 | Norm Banfield Memorial Open Development Meet | 2025-10-03 |
Morrison, Mya's top personal bests include 100m Backstroke (1:42.91), 100m IM (1:39.36), 200m Freestyle (3:25.64), 200m IM (3:54.03), 400m Freestyle (7:30.86).
Morrison, Mya swims for Saskatoon Lasers Swim Club.
Morrison, Mya has competed in 6 meets.