| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Breaststroke | 1:19.76 | 2025 Age Group International SC | 2025-11-27 |
| 100m Butterfly | 1:06.74 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 100m Freestyle | 1:02.46 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 1500m Freestyle | 2:44.74 | ESWIM Distance Time Trial | 2025-11-11 |
| 200m Butterfly | 2:36.00 | ESWIM January Time Trial | 2026-01-20 |
| 200m Freestyle | 2:19.49 | Hall of Fame | 2025-10-18 |
| 200m IM | 2:31.96 | 2025 Age Group International SC | 2025-11-27 |
| 400m Freestyle | 4:58.93 | Hall of Fame | 2025-10-18 |
| 400m IM | 5:39.69 | Hall of Fame | 2025-10-18 |
| 50m Butterfly | 30.63 | 2025 Age Group International SC | 2025-11-27 |
| 50m Freestyle | 28.68 | 2025 Age Group International SC | 2025-11-27 |
| 800m Freestyle | 10:12.59 | ESWIM Distance Time Trial | 2025-11-11 |
Mercuri, Casey's top personal bests include 100m Breaststroke (1:19.76), 100m Butterfly (1:06.74), 100m Freestyle (1:02.46), 1500m Freestyle (2:44.74), 200m Butterfly (2:36.00).
Mercuri, Casey swims for Etobicoke Swim Club.
Mercuri, Casey has competed in 11 meets.