| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:11.06 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 100m Backstroke | 1:13.68 | David Lawson Invitational 2026 | 2026-01-23 |
| 100m Breaststroke | 1:33.87 | Scar Pan Am Winter Classic | 2026-01-16 |
| 100m Breaststroke | 1:30.02 | David Lawson Invitational 2026 | 2026-01-23 |
| 100m Butterfly | 1:12.84 | June Performance Meet 2025 | 2025-06-06 |
| 100m Butterfly | 1:11.61 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 100m Freestyle | 1:05.97 | June Performance Meet 2025 | 2025-06-06 |
| 100m Freestyle | 1:04.97 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 100m IM | 1:15.00 | 2025 OAK Brad Townsend Fall Classic | 2025-10-17 |
| 200m Backstroke | 2:38.79 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 200m Backstroke | 2:36.46 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 200m Freestyle | 2:28.28 | June Performance Meet 2025 | 2025-06-06 |
| 200m Freestyle | 2:36.47 | 2025 OAK Brad Townsend Fall Classic | 2025-10-17 |
| 200m IM | 2:45.71 | June Performance Meet 2025 | 2025-06-06 |
| 200m IM | 2:45.11 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 50m Backstroke | 32.00 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 50m Backstroke | 31.98 | Walker Invitational | 2025-10-25 |
| 50m Breaststroke | 41.25 | Scar Pan Am Winter Classic | 2026-01-16 |
| 50m Butterfly | 31.32 | June Performance Meet 2025 | 2025-06-06 |
| 50m Butterfly | 31.04 | 2025 NYAC Cup | 2025-11-14 |
| 50m Freestyle | 29.45 | June Performance Meet 2025 | 2025-06-06 |
| 50m Freestyle | 29.06 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
Du, Xinyao's top personal bests include 100m Backstroke (1:11.06), 100m Backstroke (1:13.68), 100m Breaststroke (1:33.87), 100m Breaststroke (1:30.02), 100m Butterfly (1:12.84).
Du, Xinyao swims for Oakville Aquatic Club.
Du, Xinyao has competed in 8 meets.