| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:25.58 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 100m Breaststroke | 1:32.24 | MAC Jingle Bell | 2025-12-12 |
| 100m Butterfly | 1:12.67 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 100m Freestyle | 1:06.16 | Pan Am Open 2026 | 2026-02-21 |
| 100m IM | 1:21.17 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 200m Backstroke | 3:10.08 | MAC Fall Fest Invitational | 2025-10-18 |
| 200m Breaststroke | 3:22.17 | MAC Jingle Bell | 2025-12-12 |
| 200m Butterfly | 2:54.19 | Pan Am Open 2026 | 2026-02-21 |
| 200m Freestyle | 2:20.67 | Pan Am Open 2026 | 2026-02-21 |
| 200m IM | 2:48.65 | Pan Am Open 2026 | 2026-02-21 |
| 400m Freestyle | 4:55.78 | MAC in house competition #1 | 2026-03-12 |
| 400m IM | 6:17.87 | 2025 Alex Baumann Invitational | 2025-11-21 |
| 50m Breaststroke | 39.64 | Pan Am Open 2026 | 2026-02-21 |
| 50m Butterfly | 34.56 | MAC Fall Fest Invitational | 2025-10-18 |
| 50m Freestyle | 31.63 | MAC Jingle Bell | 2025-12-12 |
| 800m Freestyle | 10:50.88 | MAC Jingle Bell | 2025-12-12 |
Liu, Mason's top personal bests include 100m Backstroke (1:25.58), 100m Breaststroke (1:32.24), 100m Butterfly (1:12.67), 100m Freestyle (1:06.16), 100m IM (1:21.17).
Liu, Mason swims for Markham Aquatic Club.
Liu, Mason has competed in 11 meets.