| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:06.63 | 2025 NYAC Cup | 2025-11-14 |
| 100m Breaststroke | 1:07.96 | 2025 PCS Xmas Cracker | 2025-12-05 |
| 100m Butterfly | 1:00.73 | 2025 PCS Xmas Cracker | 2025-12-05 |
| 100m Freestyle | 56.42 | 2026 February Freeze Invitational | 2026-02-14 |
| 100m IM | 1:07.20 | 2025 GSH Summer Sizzler Invitational | 2025-07-19 |
| 200m Breaststroke | 2:32.79 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
| 200m Butterfly | 2:29.83 | 2026 February Freeze Invitational | 2026-02-14 |
| 200m Freestyle | 2:07.82 | 2025 NKB Fall Invitational | 2025-10-17 |
| 200m IM | 2:19.40 | 2025 PCS Xmas Cracker | 2025-12-05 |
| 400m Freestyle | 4:50.09 | 2026 February Freeze Invitational | 2026-02-14 |
| 400m IM | 5:12.09 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
| 50m Backstroke | 30.68 | 2025 NYAC Cup | 2025-11-14 |
| 50m Breaststroke | 31.67 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
| 50m Butterfly | 26.92 | 2025 PCS Xmas Cracker | 2025-12-05 |
| 50m Freestyle | 25.83 | 2025 NYAC Cup | 2025-11-14 |
| 800m Freestyle | 10:16.72 | GSH Time Trial | 2025-11-08 |
Zheng, Alex's top personal bests include 100m Backstroke (1:06.63), 100m Breaststroke (1:07.96), 100m Butterfly (1:00.73), 100m Freestyle (56.42), 100m IM (1:07.20).
Zheng, Alex swims for Goulbourn Sea Hawks.
Zheng, Alex has competed in 9 meets.