| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:33.66 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 100m Backstroke | 1:25.97 | MAC Jingle Bell | 2025-12-12 |
| 100m Breaststroke | 1:59.49 | June Performance Meet 2025 | 2025-06-06 |
| 100m Breaststroke | 1:39.72 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
| 100m Butterfly | 1:45.08 | 2025 Alex Baumann Invitational | 2025-11-21 |
| 100m Freestyle | 1:22.99 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 100m Freestyle | 1:17.92 | MAC Jingle Bell | 2025-12-12 |
| 200m Backstroke | 3:24.06 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 200m Backstroke | 3:03.54 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
| 200m Freestyle | 3:03.81 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 200m Freestyle | 2:51.29 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 200m IM | 3:12.45 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 400m Freestyle | 6:05.28 | MAC Jingle Bell | 2025-12-12 |
| 50m Backstroke | 43.95 | June Performance Meet 2025 | 2025-06-06 |
| 50m Backstroke | 39.33 | David Lawson Invitational 2026 | 2026-01-23 |
| 50m Breaststroke | 47.88 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
| 50m Butterfly | 45.30 | June Performance Meet 2025 | 2025-06-06 |
| 50m Butterfly | 42.44 | 2025 OAK Brad Townsend Fall Classic | 2025-10-17 |
| 50m Freestyle | 37.40 | June Performance Meet 2025 | 2025-06-06 |
| 50m Freestyle | 35.22 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
Liu, Nina's top personal bests include 100m Backstroke (1:33.66), 100m Backstroke (1:25.97), 100m Breaststroke (1:59.49), 100m Breaststroke (1:39.72), 100m Butterfly (1:45.08).
Liu, Nina swims for Oakville Aquatic Club.
Liu, Nina has competed in 8 meets.