| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:34.50 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m Breaststroke | 1:49.76 | 2025 Alex Baumann Invitational | 2025-11-21 |
| 100m Freestyle | 1:21.22 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 200m Backstroke | 3:24.01 | 2025 Alex Baumann Invitational | 2025-11-21 |
| 200m Freestyle | 3:03.61 | RHAC Fall Classic 2025 | 2025-10-24 |
| 200m IM | 3:41.12 | 2025 Alex Baumann Invitational | 2025-11-21 |
| 400m Freestyle | 6:39.10 | RHAC Fall Classic 2025 | 2025-10-24 |
| 50m Backstroke | 42.28 | 2025 Alex Baumann Invitational | 2025-11-21 |
| 50m Breaststroke | 53.83 | RHAC Fall Classic 2025 | 2025-10-24 |
| 50m Butterfly | 54.75 | RHAC Fall Classic 2025 | 2025-10-24 |
| 50m Freestyle | 36.47 | 2025 Alex Baumann Invitational | 2025-11-21 |
Zheng, Hongyuan's top personal bests include 100m Backstroke (1:34.50), 100m Breaststroke (1:49.76), 100m Freestyle (1:21.22), 200m Backstroke (3:24.01), 200m Freestyle (3:03.61).
Zheng, Hongyuan swims for The Richmond Hill Aquatic Club.
Zheng, Hongyuan has competed in 8 meets.