| Event | Time | Meet | Date |
|---|---|---|---|
| 200m Freestyle | 2:03.09 | MSSAC June 2025 Time Trial | 2025-06-19 |
| 50m Freestyle | 25.91 | MSSAC June 2025 Time Trial | 2025-06-19 |
Zhang, Justin's top personal bests include 200m Freestyle (2:03.09), 50m Freestyle (25.91).
Zhang, Justin swims for Mississauga Aquatic Club.
Zhang, Justin has competed in 4 meets.