| Event | Time | Meet | Date |
|---|---|---|---|
| 100m IM | 2:07.81 | Delta 10 & Under Sprint Cup | 2025-06-01 |
| 50m Backstroke | 59.27 | Delta 10 & Under Sprint Cup | 2025-06-01 |
| 50m Breaststroke | 54.26 | Delta 10 & Under Sprint Cup | 2025-06-01 |
| 50m Butterfly | 1:04.70 | Delta 10 & Under Sprint Cup | 2025-06-01 |
| 50m Freestyle | 49.93 | Delta 10 & Under Sprint Cup | 2025-06-01 |
Jeon, Minchang's top personal bests include 100m IM (2:07.81), 50m Backstroke (59.27), 50m Breaststroke (54.26), 50m Butterfly (1:04.70), 50m Freestyle (49.93).
Jeon, Minchang swims for Chena Swim Club.
Jeon, Minchang has competed in 1 meets.