| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:28.41 | VAC - 36th Roy Jacobson Inv. | 2025-12-05 |
| 100m Breaststroke | 1:37.79 | PICK Last Gasp 2025 | 2025-06-07 |
| 100m Butterfly | 1:39.31 | PICK Last Gasp 2025 | 2025-06-07 |
| 100m Freestyle | 1:20.32 | VAC - 36th Roy Jacobson Inv. | 2025-12-05 |
| 200m Breaststroke | 3:27.18 | PICK Last Gasp 2025 | 2025-06-07 |
| 200m Freestyle | 2:52.26 | VAC - 36th Roy Jacobson Inv. | 2025-12-05 |
| 200m IM | 3:12.09 | PICK Last Gasp 2025 | 2025-06-07 |
| 400m Freestyle | 5:59.25 | VAC - 36th Roy Jacobson Inv. | 2025-12-05 |
| 400m IM | 6:54.35 | 2025 OSHAC Fall Invitational | 2025-11-01 |
| 50m Freestyle | 36.61 | PICK Last Gasp 2025 | 2025-06-07 |
| 800m Freestyle | 12:20.07 | VAC2025 - 1500-800-400 Free Endurance Builder | 2025-11-08 |
Monera-Gucciardi, Marina's top personal bests include 100m Backstroke (1:28.41), 100m Breaststroke (1:37.79), 100m Butterfly (1:39.31), 100m Freestyle (1:20.32), 200m Breaststroke (3:27.18).
Monera-Gucciardi, Marina swims for Vaughan Aquatic Club.
Monera-Gucciardi, Marina has competed in 7 meets.