| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:34.87 | 2026 Wavemaker | 2026-04-17 |
| 100m Backstroke | 1:33.64 | 2026 Stingrays Annual Spring Break Invitational | 2026-03-06 |
| 100m Breaststroke | 1:54.32 | 2026 Wavemaker | 2026-04-17 |
| 100m Breaststroke | 2:03.84 | 2025 PCS Xmas Cracker | 2025-12-05 |
| 100m Freestyle | 1:16.73 | 2026 Wavemaker | 2026-04-17 |
| 100m Freestyle | 1:17.87 | 2026 VIR SC Championships | 2026-01-30 |
| 100m IM | 1:42.35 | 2025 ISC Bennett Cup | 2025-11-07 |
| 200m Freestyle | 3:19.88 | 2025 VIR Championships | 2025-06-20 |
| 200m Freestyle | 2:50.66 | 2026 Stingrays Annual Spring Break Invitational | 2026-03-06 |
| 200m IM | 3:15.70 | 2026 Stingrays Annual Spring Break Invitational | 2026-03-06 |
| 400m Freestyle | 6:52.35 | 2025 Mid Summer Madness | 2025-07-26 |
| 50m Backstroke | 43.94 | 2026 Wavemaker | 2026-04-17 |
| 50m Backstroke | 43.96 | 2026 VIR SC Championships | 2026-01-30 |
| 50m Breaststroke | 50.09 | 2026 Wavemaker | 2026-04-17 |
| 50m Butterfly | 40.73 | 2026 Wavemaker | 2026-04-17 |
| 50m Butterfly | 41.96 | 2026 VIR SC Championships | 2026-01-30 |
| 50m Freestyle | 34.49 | 2026 Wavemaker | 2026-04-17 |
| 50m Freestyle | 35.37 | 2026 VIR SC Championships | 2026-01-30 |
Petrusa, Nyah's top personal bests include 100m Backstroke (1:34.87), 100m Backstroke (1:33.64), 100m Breaststroke (1:54.32), 100m Breaststroke (2:03.84), 100m Freestyle (1:16.73).
Petrusa, Nyah swims for UVic-Pacific Coast Swimming.
Petrusa, Nyah has competed in 10 meets.