| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:29.95 | 2026 Trojan Pentathlon | 2026-03-06 |
| 100m Breaststroke | 1:45.20 | 2026 Trojan Pentathlon | 2026-03-06 |
| 100m Butterfly | 1:50.54 | David Lawson Invitational 2026 | 2026-01-23 |
| 100m Freestyle | 1:21.35 | MAC Rising Star #2 | 2025-05-30 |
| 100m Freestyle | 1:22.08 | MAC Jingle Bell | 2025-12-12 |
| 100m IM | 1:30.63 | MAC Jingle Bell | 2025-12-12 |
| 200m Backstroke | 3:31.73 | MAC Rising Star #2 | 2025-05-30 |
| 200m Backstroke | 3:14.26 | 2026 Trojan Pentathlon | 2026-03-06 |
| 200m Breaststroke | 3:46.04 | 2026 Trojan Pentathlon | 2026-03-06 |
| 200m Freestyle | 3:06.67 | MAC Rising Star #2 | 2025-05-30 |
| 200m Freestyle | 3:05.31 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 200m IM | 3:30.72 | MAC Jingle Bell | 2025-12-12 |
| 400m IM | 7:21.38 | 2026 Trojan Pentathlon | 2026-03-06 |
| 50m Backstroke | 44.73 | BAD Outdoor LC Invitational | 2025-06-20 |
| 50m Backstroke | 42.94 | MAC Jingle Bell | 2025-12-12 |
| 50m Breaststroke | 53.08 | MAC Rising Star #2 | 2025-05-30 |
| 50m Breaststroke | 47.71 | 2026 Trojan Pentathlon | 2026-03-06 |
| 50m Butterfly | 52.53 | MAC Rising Star #2 | 2025-05-30 |
| 50m Butterfly | 41.19 | 2026 Trojan Pentathlon | 2026-03-06 |
| 50m Freestyle | 37.08 | MAC Rising Star #2 | 2025-05-30 |
| 50m Freestyle | 36.04 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
Hernandez, Valentina's top personal bests include 100m Backstroke (1:29.95), 100m Breaststroke (1:45.20), 100m Butterfly (1:50.54), 100m Freestyle (1:21.35), 100m Freestyle (1:22.08).
Hernandez, Valentina swims for Oakville Aquatic Club.
Hernandez, Valentina has competed in 7 meets.