| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:36.43 | Winter Festival | 2026-01-23 |
| 100m Breaststroke | 1:33.46 | Neil Lepps 2026 | 2026-03-14 |
| 100m Butterfly | 1:46.46 | Neil Lepps 2026 | 2026-03-14 |
| 100m Freestyle | 1:21.94 | Neil Lepps 2026 | 2026-03-14 |
| 200m Breaststroke | 3:21.14 | Winter Festival | 2026-01-23 |
| 200m Freestyle | 3:04.19 | Candy Cane Invitational | 2025-11-28 |
| 200m IM | 3:23.23 | Winter Festival | 2026-01-23 |
| 400m Freestyle | 6:19.63 | Winter Festival | 2026-01-23 |
| 50m Backstroke | 44.78 | Winter Festival | 2026-01-23 |
| 50m Breaststroke | 43.89 | Winter Festival | 2026-01-23 |
| 50m Butterfly | 45.65 | Neil Lepps 2026 | 2026-03-14 |
| 50m Freestyle | 37.28 | Neil Lepps 2026 | 2026-03-14 |
Giordano, Gianna's top personal bests include 100m Backstroke (1:36.43), 100m Breaststroke (1:33.46), 100m Butterfly (1:46.46), 100m Freestyle (1:21.94), 200m Breaststroke (3:21.14).
Giordano, Gianna swims for Strathcona County Silver Rays.
Giordano, Gianna has competed in 6 meets.