| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:54.45 | MAC Rising Star #2 | 2025-05-30 |
| 100m Backstroke | 1:33.10 | GHAC Winter Invitational SCM | 2026-03-06 |
| 100m Breaststroke | 2:05.30 | MAC Rising Star #2 | 2025-05-30 |
| 100m Breaststroke | 1:48.78 | Western Region Short Course Championships | 2026-02-12 |
| 100m Freestyle | 1:44.56 | MAC Rising Star #2 | 2025-05-30 |
| 100m Freestyle | 1:26.13 | GHAC Winter Invitational SCM | 2026-03-06 |
| 100m IM | 1:46.65 | Dean Boles Invitational Meet | 2026-01-10 |
| 200m Backstroke | 3:47.43 | Dean Boles Invitational Meet | 2026-01-10 |
| 200m Breaststroke | 3:56.01 | GHAC Winter Invitational SCM | 2026-03-06 |
| 200m Freestyle | 3:29.90 | Dean Boles Invitational Meet | 2026-01-10 |
| 200m IM | 3:32.53 | GHAC Winter Invitational SCM | 2026-03-06 |
| 400m Freestyle | 7:25.99 | David Lawson Invitational 2026 | 2026-01-23 |
| 50m Backstroke | 52.24 | MAC Rising Star #2 | 2025-05-30 |
| 50m Backstroke | 42.40 | GHAC Winter Invitational SCM | 2026-03-06 |
| 50m Breaststroke | 57.81 | MAC Rising Star #2 | 2025-05-30 |
| 50m Breaststroke | 49.29 | Western Region Short Course Championships | 2026-02-12 |
| 50m Butterfly | 46.43 | Western Region Short Course Championships | 2026-02-12 |
| 50m Freestyle | 44.99 | MAC Rising Star #2 | 2025-05-30 |
| 50m Freestyle | 38.23 | GHAC Winter Invitational SCM | 2026-03-06 |
Zheng, Irene's top personal bests include 100m Backstroke (1:54.45), 100m Backstroke (1:33.10), 100m Breaststroke (2:05.30), 100m Breaststroke (1:48.78), 100m Freestyle (1:44.56).
Zheng, Irene swims for Region of Waterloo Swim Club.
Zheng, Irene has competed in 9 meets.