| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:50.92 | Norm Banfield Memorial Open Development Meet | 2025-10-03 |
| 100m Breaststroke | 1:58.44 | Winter Solstice | 2025-11-29 |
| 100m Freestyle | 1:40.73 | Winter Solstice | 2025-11-29 |
| 100m IM | 1:53.59 | Norm Banfield Memorial Open Development Meet | 2025-10-03 |
| 200m Breaststroke | 4:15.00 | Winter Solstice | 2025-11-29 |
| 50m Backstroke | 49.00 | Winter Solstice | 2025-11-29 |
| 50m Breaststroke | 54.36 | Norm Banfield Memorial Open Development Meet | 2025-10-03 |
| 50m Butterfly | 56.82 | Winter Solstice | 2025-11-29 |
| 50m Freestyle | 42.43 | Norm Banfield Memorial Open Development Meet | 2025-10-03 |
Diiorio, Olivia's top personal bests include 100m Backstroke (1:50.92), 100m Breaststroke (1:58.44), 100m Freestyle (1:40.73), 100m IM (1:53.59), 200m Breaststroke (4:15.00).
Diiorio, Olivia swims for Regina Optimist Dolphins Swim Team.
Diiorio, Olivia has competed in 4 meets.