| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:08.15 | Back to the Blocks Invitational | 2026-02-21 |
| 100m Backstroke | 1:04.98 | Winter Waves Invitational | 2026-03-13 |
| 100m Butterfly | 1:09.01 | Icebreaker Invitational | 2026-01-30 |
| 100m Freestyle | 1:03.67 | East Coast Championships | 2025-07-10 |
| 100m Freestyle | 1:01.13 | Winter Waves Invitational | 2026-03-13 |
| 200m Backstroke | 2:32.31 | East Coast Championships | 2025-07-10 |
| 200m Backstroke | 2:23.17 | Icebreaker Invitational | 2026-01-30 |
| 200m Freestyle | 2:32.46 | East Coast Championships | 2025-07-10 |
| 200m Freestyle | 2:19.50 | 2025 SNL Provincial Championships | 2025-05-30 |
| 200m IM | 2:35.54 | Icebreaker Invitational | 2026-01-30 |
| 50m Backstroke | 31.59 | East Coast Championships | 2025-07-10 |
| 50m Backstroke | 30.02 | Winter Waves Invitational | 2026-03-13 |
| 50m Breaststroke | 40.93 | Bluefins Fall Pentathlon | 2025-11-14 |
| 50m Butterfly | 32.84 | Back to the Blocks Invitational | 2026-02-21 |
| 50m Butterfly | 31.18 | Bluefins Fall Pentathlon | 2025-11-14 |
| 50m Freestyle | 28.23 | East Coast Championships | 2025-07-10 |
| 50m Freestyle | 27.65 | 2025 SNL Provincial Championships | 2025-05-30 |
| 800m Freestyle | 10:34.52 | Winter Waves Invitational | 2026-03-13 |
Kavanagh-Penney, Liam's top personal bests include 100m Backstroke (1:08.15), 100m Backstroke (1:04.98), 100m Butterfly (1:09.01), 100m Freestyle (1:03.67), 100m Freestyle (1:01.13).
Kavanagh-Penney, Liam swims for CBS Bluefins.
Kavanagh-Penney, Liam has competed in 7 meets.