| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:18.15 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 100m Breaststroke | 1:22.85 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 100m Butterfly | 1:29.19 | RHAC Fall Classic 2025 | 2025-10-24 |
| 100m Freestyle | 1:07.96 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m IM | 1:22.46 | 2025 RHAC Summer League | 2025-07-18 |
| 200m Backstroke | 2:48.90 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 200m Breaststroke | 2:54.02 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 200m Butterfly | 3:11.74 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 200m Freestyle | 2:26.57 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 200m IM | 2:45.62 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 400m Freestyle | 5:16.34 | 2025 Alex Baumann Invitational | 2025-11-21 |
| 400m IM | 5:51.96 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 50m Backstroke | 36.29 | 2025 Alex Baumann Invitational | 2025-11-21 |
| 50m Breaststroke | 40.29 | RHAC Fall Classic 2025 | 2025-10-24 |
| 50m Butterfly | 36.02 | RHAC Fall Classic 2025 | 2025-10-24 |
| 50m Freestyle | 30.05 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 800m Freestyle | 11:06.83 | RHAC Distance Duel 2025 | 2025-11-13 |
Sun, Yu's top personal bests include 100m Backstroke (1:18.15), 100m Breaststroke (1:22.85), 100m Butterfly (1:29.19), 100m Freestyle (1:07.96), 100m IM (1:22.46).
Sun, Yu swims for The Richmond Hill Aquatic Club.
Sun, Yu has competed in 12 meets.