| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:23.78 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 100m Backstroke | 1:15.35 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 100m Breaststroke | 1:34.89 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 100m Breaststroke | 1:25.14 | OUA & Club Winter Invitational | 2026-01-17 |
| 100m Butterfly | 1:23.43 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 100m Butterfly | 1:14.64 | 2025 MSSAC Open | 2025-12-19 |
| 100m Freestyle | 1:08.17 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 100m Freestyle | 1:04.94 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 100m IM | 1:18.98 | 2025 Downtown Sprint Meet | 2025-10-25 |
| 200m Backstroke | 3:00.73 | MAC Rising Star #2 | 2025-05-30 |
| 200m Backstroke | 2:55.80 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 200m Breaststroke | 3:06.35 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 200m Butterfly | 2:48.21 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 200m Freestyle | 2:32.41 | MAC Rising Star #2 | 2025-05-30 |
| 200m Freestyle | 2:22.47 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 200m IM | 2:54.14 | MAC Rising Star #2 | 2025-05-30 |
| 200m IM | 2:42.28 | 2025 MSSAC Open | 2025-12-19 |
| 400m Freestyle | 5:03.64 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 400m IM | 5:52.34 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Backstroke | 37.48 | MAC Rising Star #2 | 2025-05-30 |
| 50m Backstroke | 34.89 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 50m Breaststroke | 43.86 | MAC Rising Star #2 | 2025-05-30 |
| 50m Breaststroke | 41.43 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 50m Butterfly | 36.58 | MAC Rising Star #2 | 2025-05-30 |
| 50m Butterfly | 33.89 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 50m Freestyle | 32.30 | MAC Rising Star #2 | 2025-05-30 |
| 50m Freestyle | 29.97 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 800m Freestyle | 11:07.47 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
D'Alessandro, Ava's top personal bests include 100m Backstroke (1:23.78), 100m Backstroke (1:15.35), 100m Breaststroke (1:34.89), 100m Breaststroke (1:25.14), 100m Butterfly (1:23.43).
D'Alessandro, Ava swims for Toronto Swim Club.
D'Alessandro, Ava has competed in 11 meets.