| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:58.54 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 100m Breaststroke | 2:08.02 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
| 100m Butterfly | 2:11.15 | David Lawson Invitational 2026 | 2026-01-23 |
| 100m Freestyle | 1:39.60 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
| 100m IM | 2:08.30 | 2025 OAK Brad Townsend Fall Classic | 2025-10-17 |
| 200m Backstroke | 3:56.02 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
| 200m Breaststroke | 4:30.16 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
| 200m Freestyle | 3:44.16 | MAC Jingle Bell | 2025-12-12 |
| 200m IM | 4:12.39 | MAC Jingle Bell | 2025-12-12 |
| 50m Backstroke | 1:00.64 | Mini OAKS Meet #3 | 2025-06-21 |
| 50m Breaststroke | 58.28 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
| 50m Butterfly | 1:02.53 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 50m Freestyle | 45.22 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
Hardie, Madelyn's top personal bests include 100m Backstroke (1:58.54), 100m Breaststroke (2:08.02), 100m Butterfly (2:11.15), 100m Freestyle (1:39.60), 100m IM (2:08.30).
Hardie, Madelyn swims for Oakville Aquatic Club.
Hardie, Madelyn has competed in 6 meets.