| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:34.28 | Neil Lepps 2026 | 2026-03-14 |
| 100m Butterfly | 1:44.94 | Neil Lepps 2026 | 2026-03-14 |
| 100m Freestyle | 1:26.88 | Neil Lepps 2026 | 2026-03-14 |
| 200m Backstroke | 3:28.41 | Candy Cane Invitational | 2025-11-28 |
| 200m Freestyle | 3:11.28 | 2026 Ponoka Pool Sharks Cookie Classic | 2026-02-21 |
| 200m IM | 3:42.10 | Candy Cane Invitational | 2025-11-28 |
| 400m Freestyle | 6:52.26 | Candy Cane Invitational | 2025-11-28 |
| 50m Backstroke | 44.03 | Neil Lepps 2026 | 2026-03-14 |
| 50m Breaststroke | 50.91 | Candy Cane Invitational | 2025-11-28 |
| 50m Butterfly | 45.74 | Neil Lepps 2026 | 2026-03-14 |
| 50m Freestyle | 38.09 | Neil Lepps 2026 | 2026-03-14 |
Couchot, Sebastian's top personal bests include 100m Backstroke (1:34.28), 100m Butterfly (1:44.94), 100m Freestyle (1:26.88), 200m Backstroke (3:28.41), 200m Freestyle (3:11.28).
Couchot, Sebastian swims for Strathcona County Silver Rays.
Couchot, Sebastian has competed in 6 meets.