| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:18.09 | COMOX-NRST-HST-SQUP Quad Meet Dual | 2025-11-15 |
| 100m Breaststroke | 1:31.35 | 2025 Summer Divisionals Island & Coastal Vancouver | 2025-06-27 |
| 100m Butterfly | 1:29.23 | Outstanding Events Time Trial | 2026-02-05 |
| 100m Freestyle | 1:08.98 | Hollyburn Summer Meet | 2025-07-19 |
| 1500m Freestyle | 6:06.98 | Hollyburn Distance Time Trial | 2025-11-01 |
| 200m Backstroke | 2:51.88 | Hollyburn Monsoon Meet | 2025-11-11 |
| 200m Breaststroke | 3:25.32 | 2025 Summer Divisionals Island & Coastal Vancouver | 2025-06-27 |
| 200m Freestyle | 2:31.21 | COMOX-NRST-HST-SQUP Quad Meet Dual | 2025-11-15 |
| 200m IM | 2:48.31 | Outstanding Events Time Trial | 2026-02-05 |
| 400m Freestyle | 5:48.46 | Hollyburn Distance Time Trial | 2025-11-01 |
| 400m IM | 6:35.72 | Hollyburn Distance Time Trial | 2025-11-01 |
| 50m Backstroke | 37.65 | Hollyburn June 5 Time Trial | 2025-06-05 |
| 50m Breaststroke | 41.76 | Hollyburn Summer Meet | 2025-07-19 |
| 50m Freestyle | 28.72 | Outstanding Events Time Trial | 2026-02-05 |
Liu, Yunhan's top personal bests include 100m Backstroke (1:18.09), 100m Breaststroke (1:31.35), 100m Butterfly (1:29.23), 100m Freestyle (1:08.98), 1500m Freestyle (6:06.98).
Liu, Yunhan swims for Hollyburn Swimming.
Liu, Yunhan has competed in 11 meets.