| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:51.00 | MAC Jingle Bell | 2025-12-12 |
| 100m Breaststroke | 1:51.15 | Scar Pan Am Winter Classic | 2026-01-16 |
| 100m Breaststroke | 1:49.40 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m Freestyle | 1:42.96 | Scar Pan Am Winter Classic | 2026-01-16 |
| 100m Freestyle | 1:34.93 | MAC Jingle Bell | 2025-12-12 |
| 100m IM | 1:44.06 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 200m Breaststroke | 4:10.93 | MAC Jingle Bell | 2025-12-12 |
| 200m Freestyle | 3:36.27 | Scar Pan Am Winter Classic | 2026-01-16 |
| 200m IM | 3:53.48 | MAC Jingle Bell | 2025-12-12 |
| 25m Butterfly | 28.58 | GMAC End of the Year Splash | 2025-06-07 |
| 50m Backstroke | 48.00 | Scar Pan Am Winter Classic | 2026-01-16 |
| 50m Backstroke | 49.80 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Breaststroke | 51.86 | Scar Pan Am Winter Classic | 2026-01-16 |
| 50m Breaststroke | 51.87 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Butterfly | 54.45 | Scar Pan Am Winter Classic | 2026-01-16 |
| 50m Freestyle | 43.32 | MAC Jingle Bell | 2025-12-12 |
Liu, Lena's top personal bests include 100m Backstroke (1:51.00), 100m Breaststroke (1:51.15), 100m Breaststroke (1:49.40), 100m Freestyle (1:42.96), 100m Freestyle (1:34.93).
Liu, Lena swims for J Dolphins Swim Club.
Liu, Lena has competed in 5 meets.