| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:55.12 | Pan Am Open 2026 | 2026-02-21 |
| 100m Breaststroke | 2:06.54 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 100m Freestyle | 1:40.11 | Pan Am Open 2026 | 2026-02-21 |
| 100m IM | 1:54.34 | Pan Am Open 2026 | 2026-02-21 |
| 200m Backstroke | 4:02.09 | ESWIM January Time Trial | 2026-01-20 |
| 200m Freestyle | 3:41.96 | SCAR Cindy Nicholas Memorial Meet | 2025-11-01 |
| 200m IM | 4:02.95 | Pan Am Open 2026 | 2026-02-21 |
| 400m Freestyle | 7:49.40 | ESWIM 400 Time Trial | 2025-12-16 |
| 50m Backstroke | 52.32 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 50m Breaststroke | 1:02.38 | Pan Am Open 2026 | 2026-02-21 |
| 50m Butterfly | 56.22 | SCAR Cindy Nicholas Memorial Meet | 2025-11-01 |
| 50m Freestyle | 45.06 | Hall of Fame | 2025-10-18 |
| 800m Freestyle | 16:24.00 | ESWIM Distance Time Trial | 2025-11-11 |
Zhang, Nathan's top personal bests include 100m Backstroke (1:55.12), 100m Breaststroke (2:06.54), 100m Freestyle (1:40.11), 100m IM (1:54.34), 200m Backstroke (4:02.09).
Zhang, Nathan swims for Etobicoke Swim Club.
Zhang, Nathan has competed in 9 meets.