| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:18.35 | UCSC Spring Start-up | 2026-04-25 |
| 100m Backstroke | 1:15.02 | Winter Provincial Trials | 2026-03-06 |
| 100m Breaststroke | 1:30.76 | Cascade Speed Meet 2025 Provincial Series #1 | 2025-11-08 |
| 100m Butterfly | 1:25.63 | Summer Provincial Trials LC | 2025-06-27 |
| 100m Butterfly | 1:18.45 | Cascade Speed Meet 2025 Provincial Series #1 | 2025-11-08 |
| 100m Freestyle | 1:10.38 | UCSC Spring Start-up | 2026-04-25 |
| 100m Freestyle | 1:08.16 | UCSC February Invitational | 2026-02-21 |
| 100m IM | 1:17.21 | Winter Festival | 2026-01-23 |
| 200m Backstroke | 2:59.17 | Summer Provincial Trials LC | 2025-06-27 |
| 200m Backstroke | 2:35.42 | Winter Provincial Trials | 2026-03-06 |
| 200m Breaststroke | 3:19.12 | UCSC Grand Prix | 2026-01-30 |
| 200m Butterfly | 2:50.69 | Winter Provincial Trials | 2026-03-06 |
| 200m Freestyle | 2:26.63 | UCSC Holiday Classic | 2025-12-13 |
| 200m IM | 2:51.28 | UCSC Spring Start-up | 2026-04-25 |
| 200m IM | 2:39.72 | Winter Provincial Trials | 2026-03-06 |
| 50m Backstroke | 39.76 | Summer Provincial Trials LC | 2025-06-27 |
| 50m Backstroke | 34.67 | Winter Provincial Trials | 2026-03-06 |
| 50m Breaststroke | 43.12 | UCSC Spring Start-up | 2026-04-25 |
| 50m Breaststroke | 44.14 | UCSC Grand Prix | 2026-01-30 |
| 50m Butterfly | 35.15 | UCSC Spring Start-up | 2026-04-25 |
| 50m Butterfly | 34.17 | UCSC Holiday Classic | 2025-12-13 |
| 50m Freestyle | 31.64 | UCSC Spring Start-up | 2026-04-25 |
| 50m Freestyle | 30.59 | UCSC Holiday Classic | 2025-12-13 |
Li, Qianshun's top personal bests include 100m Backstroke (1:18.35), 100m Backstroke (1:15.02), 100m Breaststroke (1:30.76), 100m Butterfly (1:25.63), 100m Butterfly (1:18.45).
Li, Qianshun swims for Calgary Swimming.
Li, Qianshun has competed in 10 meets.