| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:13.78 | Summer Provincial Trials LC | 2025-06-27 |
| 100m Backstroke | 1:11.08 | Winter Provincial Trials | 2026-03-06 |
| 100m Breaststroke | 1:30.35 | Summer Provincial Trials LC | 2025-06-27 |
| 100m Breaststroke | 1:25.01 | UCSC Grand Prix | 2026-01-30 |
| 100m Butterfly | 1:20.78 | Western Transmountain Festival III | 2026-02-20 |
| 100m Butterfly | 1:21.58 | UCSC Fall Start Up | 2025-10-18 |
| 100m Freestyle | 1:06.43 | UCSC Spring Start-up | 2026-04-25 |
| 100m Freestyle | 1:03.65 | UCSC Holiday Classic | 2025-12-13 |
| 100m IM | 1:15.72 | UCSC TC1-Special | 2025-10-17 |
| 200m Backstroke | 2:40.44 | Summer Provincial Trials LC | 2025-06-27 |
| 200m Backstroke | 2:32.48 | Winter Provincial Trials | 2026-03-06 |
| 200m Breaststroke | 3:11.37 | UCSC Grand Prix | 2026-01-30 |
| 200m Freestyle | 2:25.69 | Summer Provincial Trials LC | 2025-06-27 |
| 200m Freestyle | 2:17.88 | UCSC Holiday Classic | 2025-12-13 |
| 200m IM | 2:45.96 | UCSC Spring Start-up | 2026-04-25 |
| 400m Freestyle | 5:02.51 | UCSC Holiday Classic | 2025-12-13 |
| 50m Backstroke | 34.14 | Western Transmountain Festival III | 2026-02-20 |
| 50m Backstroke | 33.19 | Winter Provincial Trials | 2026-03-06 |
| 50m Breaststroke | 40.46 | UCSC Spring Start-up | 2026-04-25 |
| 50m Breaststroke | 40.70 | UCSC Fall Back Invitational | 2025-11-07 |
| 50m Butterfly | 33.15 | UCSC Spring Start-up | 2026-04-25 |
| 50m Butterfly | 33.45 | UCSC TC1-Special | 2025-10-17 |
| 50m Freestyle | 29.77 | UCSC Spring Start-up | 2026-04-25 |
| 50m Freestyle | 28.77 | UCSC Holiday Classic | 2025-12-13 |
Zhang, Leo's top personal bests include 100m Backstroke (1:13.78), 100m Backstroke (1:11.08), 100m Breaststroke (1:30.35), 100m Breaststroke (1:25.01), 100m Butterfly (1:20.78).
Zhang, Leo swims for Calgary Swimming.
Zhang, Leo has competed in 9 meets.