| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Freestyle | 57.16 | Marianne Limpert Team Championship | 2026-02-05 |
| 100m Freestyle | 56.06 | NB Open Cup 2025 | 2025-12-05 |
| 200m Butterfly | 2:32.63 | Marianne Limpert Team Championship | 2026-02-05 |
| 200m Freestyle | 2:04.53 | 2025 Canada Games | 2025-08-10 |
| 200m Freestyle | 2:00.07 | NB Open Cup 2025 | 2025-12-05 |
| 200m IM | 2:38.47 | Marianne Limpert Team Championship | 2026-02-05 |
| 3000m Freestyle | 10:42.39 | 2025 Canada Games | 2025-08-10 |
| 400m Freestyle | 4:24.68 | 2025 Canada Games | 2025-08-10 |
| 400m Freestyle | 4:15.79 | NB Open Cup 2025 | 2025-12-05 |
| 50m Butterfly | 30.27 | East Coast Championships | 2025-07-10 |
| 50m Butterfly | 29.54 | NB Open Cup 2025 | 2025-12-05 |
| 50m Freestyle | 26.61 | 2025 Canada Games | 2025-08-10 |
| 50m Freestyle | 26.37 | NB Open Cup 2025 | 2025-12-05 |
| 800m Freestyle | 9:18.00 | East Coast Championships | 2025-07-10 |
| 800m Freestyle | 9:03.67 | NB Open Cup 2025 | 2025-12-05 |
Brown, Olivier's top personal bests include 100m Freestyle (57.16), 100m Freestyle (56.06), 200m Butterfly (2:32.63), 200m Freestyle (2:04.53), 200m Freestyle (2:00.07).
Brown, Olivier swims for Bathurst Blast.
Brown, Olivier has competed in 4 meets.