| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:11.72 | UCSC February Invitational | 2026-02-21 |
| 100m Breaststroke | 1:34.56 | Summer Provincial Championships LC | 2025-07-24 |
| 100m Butterfly | 1:14.18 | Summer Provincial Trials LC | 2025-06-27 |
| 100m Butterfly | 1:09.34 | Winter Festival | 2026-01-23 |
| 100m Freestyle | 1:05.39 | Winter Festival | 2026-01-23 |
| 100m IM | 1:20.50 | UCSC TC1-Special | 2025-10-17 |
| 200m Backstroke | 2:55.95 | Summer Provincial Championships LC | 2025-07-24 |
| 200m Backstroke | 2:34.43 | UCSC February Invitational | 2026-02-21 |
| 200m Breaststroke | 3:00.03 | Winter Festival | 2026-01-23 |
| 200m Butterfly | 2:48.76 | Summer Provincial Trials LC | 2025-06-27 |
| 200m Butterfly | 2:35.86 | UCSC Grand Prix | 2026-01-30 |
| 200m Freestyle | 2:19.85 | Winter Festival | 2026-01-23 |
| 200m IM | 2:53.67 | Summer Provincial Championships LC | 2025-07-24 |
| 200m IM | 2:34.74 | Winter Festival | 2026-01-23 |
| 400m Freestyle | 4:49.79 | UCSC February Invitational | 2026-02-21 |
| 400m IM | 5:44.56 | OSC J.P. Fiset Invitational | 2025-12-11 |
| 50m Backstroke | 37.52 | Summer Provincial Trials LC | 2025-06-27 |
| 50m Backstroke | 36.87 | UCSC TC1-Special | 2025-10-17 |
| 50m Breaststroke | 41.40 | Summer Provincial Championships LC | 2025-07-24 |
| 50m Breaststroke | 42.12 | UCSC Fall Start Up | 2025-10-18 |
| 50m Butterfly | 33.38 | Summer Provincial Championships LC | 2025-07-24 |
| 50m Butterfly | 31.30 | UCSC February Invitational | 2026-02-21 |
| 50m Freestyle | 33.03 | Summer Provincial Trials LC | 2025-06-27 |
| 50m Freestyle | 30.11 | Winter Festival | 2026-01-23 |
Short, Isabella's top personal bests include 100m Backstroke (1:11.72), 100m Breaststroke (1:34.56), 100m Butterfly (1:14.18), 100m Butterfly (1:09.34), 100m Freestyle (1:05.39).
Short, Isabella swims for Calgary Swimming.
Short, Isabella has competed in 9 meets.