| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:39.03 | Back to the Blocks Invitational | 2026-02-21 |
| 100m Breaststroke | 1:52.28 | Bluefins Fall Pentathlon | 2025-11-14 |
| 100m Butterfly | 1:44.57 | Bluefins Fall Pentathlon | 2025-11-14 |
| 100m Freestyle | 1:19.21 | Icebreaker Invitational | 2026-01-30 |
| 100m IM | 1:32.34 | Icebreaker Invitational | 2026-01-30 |
| 200m Breaststroke | 3:33.98 | Icebreaker Invitational | 2026-01-30 |
| 200m IM | 3:25.59 | Back to the Blocks Invitational | 2026-02-21 |
| 200m IM | 3:20.78 | Icebreaker Invitational | 2026-01-30 |
| 50m Backstroke | 47.80 | Bluefins Fall Pentathlon | 2025-11-14 |
| 50m Breaststroke | 49.92 | Back to the Blocks Invitational | 2026-02-21 |
| 50m Breaststroke | 48.85 | Icebreaker Invitational | 2026-01-30 |
| 50m Freestyle | 36.63 | Icebreaker Invitational | 2026-01-30 |
Kavanagh, Heidi's top personal bests include 100m Backstroke (1:39.03), 100m Breaststroke (1:52.28), 100m Butterfly (1:44.57), 100m Freestyle (1:19.21), 100m IM (1:32.34).
Kavanagh, Heidi swims for Mount Pearl Marlins.
Kavanagh, Heidi has competed in 3 meets.