| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Breaststroke | 1:57.07 | Fort Saskatchewan Piranhas Swim Meet | 2025-06-08 |
| 100m IM | 1:50.69 | Vermilion Vipers Invitational | 2025-06-21 |
| 50m Backstroke | 53.77 | Vermilion Vipers Invitational | 2025-06-21 |
| 50m Breaststroke | 52.12 | Fort Saskatchewan Piranhas Swim Meet | 2025-06-08 |
| 50m Butterfly | 57.28 | Vermilion Vipers Invitational | 2025-06-21 |
Yao, Marissa's top personal bests include 100m Breaststroke (1:57.07), 100m IM (1:50.69), 50m Backstroke (53.77), 50m Breaststroke (52.12), 50m Butterfly (57.28).
Yao, Marissa swims for Derrick Devil Rays.
Yao, Marissa has competed in 2 meets.