| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:17.60 | Back to the Blocks Invitational | 2026-02-21 |
| 100m Breaststroke | 1:17.97 | 2025 Canada Games | 2025-08-10 |
| 100m Breaststroke | 1:15.48 | 2025 SNL Provincial Championships | 2025-05-30 |
| 100m Freestyle | 1:04.43 | Bluefins Fall Pentathlon | 2025-11-14 |
| 200m Breaststroke | 2:44.62 | 2025 Canada Games | 2025-08-10 |
| 200m Breaststroke | 2:39.53 | Icebreaker Invitational | 2026-01-30 |
| 200m IM | 2:41.17 | East Coast Championships | 2025-07-10 |
| 200m IM | 2:36.94 | Bluefins Fall Pentathlon | 2025-11-14 |
| 400m Freestyle | 4:56.37 | Icebreaker Invitational | 2026-01-30 |
| 50m Backstroke | 36.34 | 2025 Canada Games | 2025-08-10 |
| 50m Backstroke | 33.30 | Bluefins Fall Pentathlon | 2025-11-14 |
| 50m Breaststroke | 34.93 | 2025 Canada Games | 2025-08-10 |
| 50m Breaststroke | 34.80 | 2025 SNL Provincial Championships | 2025-05-30 |
| 50m Butterfly | 35.29 | 2025 Canada Games | 2025-08-10 |
| 50m Butterfly | 32.38 | 2025 SNL Provincial Championships | 2025-05-30 |
| 50m Freestyle | 29.57 | 2025 SNL Provincial Championships | 2025-05-30 |
Kavanagh, Hannah's top personal bests include 100m Backstroke (1:17.60), 100m Breaststroke (1:17.97), 100m Breaststroke (1:15.48), 100m Freestyle (1:04.43), 200m Breaststroke (2:44.62).
Kavanagh, Hannah swims for Mount Pearl Marlins.
Kavanagh, Hannah has competed in 6 meets.