| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:42.34 | Red Deer Catalina Valentine Meet | 2026-02-07 |
| 100m Breaststroke | 2:16.27 | Red Deer Catalina Valentine Meet | 2026-02-07 |
| 100m Freestyle | 1:33.91 | Red Deer Catalina Valentine Meet | 2026-02-07 |
| 100m IM | 1:58.24 | OSC HOME OPENER | 2025-10-19 |
| 200m Freestyle | 3:25.06 | Red Deer Catalina Valentine Meet | 2026-02-07 |
| 200m IM | 3:46.98 | Neil Lepps 2026 | 2026-03-14 |
| 50m Backstroke | 46.60 | Red Deer Catalina Valentine Meet | 2026-02-07 |
| 50m Breaststroke | 1:01.63 | Candy Cane Invitational | 2025-11-28 |
| 50m Butterfly | 47.75 | OSC 12&Under Series #2 | 2026-01-11 |
| 50m Freestyle | 40.98 | Red Deer Catalina Valentine Meet | 2026-02-07 |
Leroux, Madeleine's top personal bests include 100m Backstroke (1:42.34), 100m Breaststroke (2:16.27), 100m Freestyle (1:33.91), 100m IM (1:58.24), 200m Freestyle (3:25.06).
Leroux, Madeleine swims for Olympian Swim Club.
Leroux, Madeleine has competed in 7 meets.