| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:39.08 | Neil Lepps 2026 | 2026-03-14 |
| 100m Breaststroke | 1:48.24 | Blue Bears Invitational | 2026-01-16 |
| 100m Butterfly | 2:07.59 | 2025 Edson Orcas Splash and Dash | 2025-11-22 |
| 100m Freestyle | 1:25.61 | 2026 Edson Orcas Candy Crush Meet | 2026-02-28 |
| 100m IM | 1:39.31 | Neil Lepps 2026 | 2026-03-14 |
| 200m Backstroke | 3:37.45 | 2025 Edson Orcas Splash and Dash | 2025-11-22 |
| 200m Breaststroke | 3:59.15 | 2025 Edson Orcas Splash and Dash | 2025-11-22 |
| 200m Freestyle | 3:24.42 | AB PPAC PZDA 2025 | 2025-10-18 |
| 50m Backstroke | 47.78 | AB PPAC PZDA 2025 | 2025-10-18 |
| 50m Breaststroke | 49.46 | Neil Lepps 2026 | 2026-03-14 |
| 50m Butterfly | 47.36 | AB PPAC PZDA 2025 | 2025-10-18 |
| 50m Freestyle | 37.14 | Blue Bears Invitational | 2026-01-16 |
Petryshen-Kozak, Oksana's top personal bests include 100m Backstroke (1:39.08), 100m Breaststroke (1:48.24), 100m Butterfly (2:07.59), 100m Freestyle (1:25.61), 100m IM (1:39.31).
Petryshen-Kozak, Oksana swims for Parkland Pirates Aquatic Club.
Petryshen-Kozak, Oksana has competed in 6 meets.