| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:28.64 | Candy Cane Invitational | 2025-11-28 |
| 100m Breaststroke | 1:42.86 | Candy Cane Invitational | 2025-11-28 |
| 100m Butterfly | 1:31.61 | Lloydminster Riptides RUSH Invitational | 2026-02-28 |
| 100m Freestyle | 1:19.83 | Lloydminster Riptides RUSH Invitational | 2026-02-28 |
| 200m Breaststroke | 3:45.83 | Craven Sport Services Racing Series #4 | 2025-06-07 |
| 200m Freestyle | 2:46.94 | Lloydminster Riptides RUSH Invitational | 2026-02-28 |
| 400m Freestyle | 6:56.65 | Craven SPORT Services Racing Series #1 | 2025-09-27 |
| 400m IM | 6:59.71 | Candy Cane Invitational | 2025-11-28 |
| 50m Backstroke | 41.42 | Candy Cane Invitational | 2025-11-28 |
| 50m Breaststroke | 45.63 | Candy Cane Invitational | 2025-11-28 |
| 50m Butterfly | 38.40 | Candy Cane Invitational | 2025-11-28 |
| 50m Freestyle | 36.48 | Candy Cane Invitational | 2025-11-28 |
de Montarnal, Sophie's top personal bests include 100m Backstroke (1:28.64), 100m Breaststroke (1:42.86), 100m Butterfly (1:31.61), 100m Freestyle (1:19.83), 200m Breaststroke (3:45.83).
de Montarnal, Sophie swims for Battlefords Kinsmen Orcas Swim Club.
de Montarnal, Sophie has competed in 6 meets.