| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Freestyle | 1:09.18 | ASSA Provincial Championships | 2025-08-01 |
| 200m Freestyle | 2:38.25 | ASSA Provincial Championships | 2025-08-01 |
| 50m Backstroke | 37.30 | ASSA Provincial Championships | 2025-08-01 |
| 50m Breaststroke | 51.13 | Vermilion Vipers Invitational | 2025-06-21 |
| 50m Freestyle | 31.94 | ASSA Provincial Championships | 2025-08-01 |
Herdman, Kian's top personal bests include 100m Freestyle (1:09.18), 200m Freestyle (2:38.25), 50m Backstroke (37.30), 50m Breaststroke (51.13), 50m Freestyle (31.94).
Herdman, Kian swims for Edmonton HUMA Swim Club.
Herdman, Kian has competed in 2 meets.