| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 2:17.12 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 100m Breaststroke | 2:27.07 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 100m Freestyle | 2:10.52 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 50m Breaststroke | 1:13.35 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 50m Butterfly | 1:13.02 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 50m Freestyle | 1:04.07 | 2026 Steve Kingston Memorial | 2026-03-06 |
Cho, Ian's top personal bests include 100m Backstroke (2:17.12), 100m Breaststroke (2:27.07), 100m Freestyle (2:10.52), 50m Breaststroke (1:13.35), 50m Butterfly (1:13.02).
Cho, Ian swims for Vaughan Aquatic Club.
Cho, Ian has competed in 2 meets.