| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:19.06 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m Breaststroke | 1:39.09 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 100m Freestyle | 1:06.15 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 1500m Freestyle | 4:21.00 | VAC2025 - 1500-800-400 Free Endurance Builder | 2025-11-08 |
| 200m Backstroke | 2:51.60 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 200m Breaststroke | 3:31.21 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 200m Butterfly | 3:12.77 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 200m Freestyle | 2:31.69 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 200m IM | 2:55.63 | VAC - 36th Roy Jacobson Inv. | 2025-12-05 |
| 400m Freestyle | 5:14.69 | VAC - 36th Roy Jacobson Inv. | 2025-12-05 |
| 400m IM | 6:32.58 | 2025 OSHAC Fall Invitational | 2025-11-01 |
| 50m Freestyle | 28.99 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 800m Freestyle | 11:15.00 | VAC2025 - 1500-800-400 Free Endurance Builder | 2025-11-08 |
Costantini, Andrew's top personal bests include 100m Backstroke (1:19.06), 100m Breaststroke (1:39.09), 100m Freestyle (1:06.15), 1500m Freestyle (4:21.00), 200m Backstroke (2:51.60).
Costantini, Andrew swims for Vaughan Aquatic Club.
Costantini, Andrew has competed in 9 meets.