| Code | SSK-M-002737 |
|---|---|
| Gender | Male |
| Used name | Jeong•Seong-Hyeon |
| Name order | Oriental |
| Born | 13 October 1975 |
| Sport | Competition | Host City | Country | Event | Placement | Country | |
|---|---|---|---|---|---|---|---|
| Speed Skating | 1996 Asian Winter Games | Harbin | 5,000 m, Men | 12 | |||
| Speed Skating | 1997 Winter Universiade | Muju-Jeonju | 5,000 m, Men | 10 | |||
| Speed Skating | 1997 Winter Universiade | Muju-Jeonju | 10,000 m, Men | 20 | |||
| Speed Skating | 1997 Winter Universiade | Muju-Jeonju | 1,500 m, Men | 16 |