| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Freestyle | 1:53.85 | 2026 Sask Open Short Course Junior Provincials | 2026-02-27 |
| 25m Backstroke | 23.75 | 2026 Sask Racing Series #1-South Div | 2025-11-02 |
| 25m Breaststroke | 31.44 | 2026 Sask racing Series South Division | 2025-12-06 |
| 25m Freestyle | 27.19 | Regina Racing Series #2 | 2025-06-07 |
| 50m Backstroke | 59.41 | 2026 Sask Open Short Course Junior Provincials | 2026-02-27 |
| 50m Breaststroke | 1:16.60 | Norm Banfield Memorial Open Development Meet | 2025-10-03 |
| 50m Butterfly | 1:02.56 | 2026 Sask Open Short Course Junior Provincials | 2026-02-27 |
| 50m Freestyle | 48.03 | 2026 Sask racing Series South Division | 2025-12-06 |
Irvine, Oliver's top personal bests include 100m Freestyle (1:53.85), 25m Backstroke (23.75), 25m Breaststroke (31.44), 25m Freestyle (27.19), 50m Backstroke (59.41).
Irvine, Oliver swims for Flatland Swimming.
Irvine, Oliver has competed in 7 meets.