| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Breaststroke | 1:27.24 | 2025 Age Group International LC | 2025-06-05 |
| 100m Butterfly | 1:15.87 | 2025 Age Group International LC | 2025-06-05 |
| 100m Freestyle | 1:09.35 | 2025 Age Group International LC | 2025-06-05 |
| 200m Breaststroke | 3:06.14 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 200m Freestyle | 2:25.76 | 2025 Age Group International LC | 2025-06-05 |
| 200m IM | 2:44.96 | 2025 Age Group International LC | 2025-06-05 |
| 400m IM | 5:40.86 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 50m Breaststroke | 40.62 | 2025 Age Group International LC | 2025-06-05 |
| 50m Butterfly | 33.29 | 2025 Age Group International LC | 2025-06-05 |
| 50m Freestyle | 32.28 | 2025 Age Group International LC | 2025-06-05 |
| 800m Freestyle | 10:16.63 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
Cornell, Isabella's top personal bests include 100m Breaststroke (1:27.24), 100m Butterfly (1:15.87), 100m Freestyle (1:09.35), 200m Breaststroke (3:06.14), 200m Freestyle (2:25.76).
Cornell, Isabella swims for Lakeshore Swim Club.
Cornell, Isabella has competed in 2 meets.