| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:40.65 | Marianne Limpert Team Championship | 2026-02-05 |
| 100m Breaststroke | 1:48.46 | Marianne Limpert Team Championship | 2026-02-05 |
| 100m Breaststroke | 1:45.77 | Provincial Invitational | 2026-03-14 |
| 100m Freestyle | 1:25.97 | Marianne Limpert Team Championship | 2026-02-05 |
| 100m Freestyle | 1:26.79 | Provincial Invitational | 2026-03-14 |
| 200m Breaststroke | 3:55.35 | Provincial Invitational | 2026-03-14 |
| 200m Freestyle | 3:20.34 | Provincial Invitational | 2026-03-14 |
| 50m Backstroke | 46.90 | Marianne Limpert Team Championship | 2026-02-05 |
| 50m Backstroke | 46.24 | Premier # 2 – Region 1 / Première # 2 – Région 1 | 2025-12-13 |
| 50m Breaststroke | 45.35 | Marianne Limpert Team Championship | 2026-02-05 |
| 50m Breaststroke | 46.73 | Provincial Invitational | 2026-03-14 |
| 50m Freestyle | 38.78 | Marianne Limpert Team Championship | 2026-02-05 |
| 50m Freestyle | 36.90 | Provincial Invitational | 2026-03-14 |
Chiasson, Simon's top personal bests include 100m Backstroke (1:40.65), 100m Breaststroke (1:48.46), 100m Breaststroke (1:45.77), 100m Freestyle (1:25.97), 100m Freestyle (1:26.79).
Chiasson, Simon swims for Club Natation Shippagan.
Chiasson, Simon has competed in 3 meets.