| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:25.66 | 2026 MSSAC 14U Future Stars | 2026-01-31 |
| 100m Breaststroke | 1:36.99 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 100m Butterfly | 1:26.72 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m Freestyle | 1:13.50 | 2026 MSSAC 14U Future Stars | 2026-01-31 |
| 100m IM | 1:27.26 | 2025 Downtown Sprint Meet | 2025-10-25 |
| 200m Backstroke | 2:59.71 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 200m Breaststroke | 3:29.97 | 2026 Joanne Malar Invitational | 2026-01-16 |
| 200m Freestyle | 2:40.97 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 200m IM | 3:02.00 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 400m Freestyle | 5:53.88 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Backstroke | 40.28 | 2026 MSSAC 14U Future Stars | 2026-01-31 |
| 50m Breaststroke | 44.69 | 2025 Downtown Sprint Meet | 2025-10-25 |
| 50m Butterfly | 38.25 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Freestyle | 33.27 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
Chan, Sebastien's top personal bests include 100m Backstroke (1:25.66), 100m Breaststroke (1:36.99), 100m Butterfly (1:26.72), 100m Freestyle (1:13.50), 100m IM (1:27.26).
Chan, Sebastien swims for Toronto Swim Club.
Chan, Sebastien has competed in 11 meets.