| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:12.88 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m Breaststroke | 1:22.43 | MAC Jingle Bell | 2025-12-12 |
| 100m Butterfly | 1:09.86 | 2025 RHAC Summer League | 2025-07-18 |
| 100m Freestyle | 1:01.55 | Winter Swimfest 2026 | 2026-01-24 |
| 200m Backstroke | 2:38.05 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 200m Butterfly | 2:42.30 | 2025 RHAC Summer League | 2025-07-18 |
| 200m Freestyle | 2:17.00 | MAC Jingle Bell | 2025-12-12 |
| 200m IM | 2:34.16 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 400m Freestyle | 5:03.87 | MAC Jingle Bell | 2025-12-12 |
| 50m Backstroke | 34.04 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Breaststroke | 38.61 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Butterfly | 32.31 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Freestyle | 27.82 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 800m Freestyle | 9:59.29 | 2025 RHAC Summer League | 2025-07-18 |
Zhang, David's top personal bests include 100m Backstroke (1:12.88), 100m Breaststroke (1:22.43), 100m Butterfly (1:09.86), 100m Freestyle (1:01.55), 200m Backstroke (2:38.05).
Zhang, David swims for North York Aquatic Club.
Zhang, David has competed in 8 meets.