| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:21.22 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m Breaststroke | 1:31.03 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 100m Butterfly | 1:15.28 | MAC Winter Invitational | 2026-01-22 |
| 100m Butterfly | 1:15.23 | Otters Spooky Splash 2025 | 2025-10-24 |
| 100m Freestyle | 1:06.10 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 100m Freestyle | 1:05.94 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 200m Breaststroke | 3:21.37 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 200m Freestyle | 2:28.19 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 200m Freestyle | 2:26.17 | Otters Spooky Splash 2025 | 2025-10-24 |
| 25m Backstroke | 18.15 | Friday Night at the Races #2 | 2025-12-12 |
| 25m Butterfly | 15.77 | Friday Night at the Races #2 | 2025-12-12 |
| 25m Freestyle | 14.91 | Friday Night at the Races #2 | 2025-12-12 |
| 400m Freestyle | 5:21.65 | Otters Spooky Splash 2025 | 2025-10-24 |
| 400m IM | 6:04.66 | COBRA 2026 Stephen Clarke Classic | 2026-01-10 |
| 50m Breaststroke | 41.69 | MAC Winter Invitational | 2026-01-22 |
| 50m Breaststroke | 40.33 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Butterfly | 33.50 | MAC Winter Invitational | 2026-01-22 |
| 50m Butterfly | 32.62 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Freestyle | 29.85 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 50m Freestyle | 29.53 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
Piscevic, Olivia's top personal bests include 100m Backstroke (1:21.22), 100m Breaststroke (1:31.03), 100m Butterfly (1:15.28), 100m Butterfly (1:15.23), 100m Freestyle (1:06.10).
Piscevic, Olivia swims for Halton Hills Blue Fins.
Piscevic, Olivia has competed in 8 meets.