| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:23.35 | Western Region Long Course Championships | 2025-06-13 |
| 100m Breaststroke | 1:30.53 | Western Region Long Course Championships | 2025-06-13 |
| 100m Breaststroke | 1:28.86 | BAC Team Showdown 2025 | 2025-12-12 |
| 100m Butterfly | 1:29.29 | ROW Fall First Try | 2025-10-18 |
| 100m Freestyle | 1:11.25 | Western Region Long Course Championships | 2025-06-13 |
| 100m Freestyle | 1:09.23 | Western Region Short Course Championships | 2026-02-12 |
| 200m Backstroke | 2:51.25 | LC Winter Invitational | 2026-01-30 |
| 200m Backstroke | 2:52.07 | Western Region Short Course Championships | 2026-02-12 |
| 200m Breaststroke | 3:15.13 | Western Region Long Course Championships | 2025-06-13 |
| 200m Breaststroke | 3:11.24 | LAC - Nothers Fall Invitational | 2025-11-21 |
| 200m Freestyle | 2:29.07 | LC Winter Invitational | 2026-01-30 |
| 200m Freestyle | 2:27.10 | BAC Team Showdown 2025 | 2025-12-12 |
| 200m IM | 2:52.93 | ROW Fall First Try | 2025-10-18 |
| 400m Freestyle | 5:16.94 | LC Winter Invitational | 2026-01-30 |
| 50m Backstroke | 38.09 | LC Winter Invitational | 2026-01-30 |
| 50m Backstroke | 36.96 | LAC - Nothers Fall Invitational | 2025-11-21 |
| 50m Breaststroke | 41.77 | LC Winter Invitational | 2026-01-30 |
| 50m Breaststroke | 40.64 | LAC - Nothers Fall Invitational | 2025-11-21 |
| 50m Butterfly | 37.11 | LAC - Nothers Fall Invitational | 2025-11-21 |
| 50m Freestyle | 31.67 | ROW Fall First Try | 2025-10-18 |
| 800m Freestyle | 11:04.27 | Western Region Long Course Championships | 2025-06-13 |
Liu, Nina's top personal bests include 100m Backstroke (1:23.35), 100m Breaststroke (1:30.53), 100m Breaststroke (1:28.86), 100m Butterfly (1:29.29), 100m Freestyle (1:11.25).
Liu, Nina swims for Killer Whale Swim Team.
Liu, Nina has competed in 6 meets.