| date | competition | distance | rank |
|---|---|---|---|
| 2004-03-19 | 2004 World Championship, Sweden | 1500 m | 8 |
| 2004-03-19 | 2004 World Championship, Sweden | 500 m | 15 |
| 2004-03-19 | 2004 World Championship, Sweden | 1000 m | 18 |
| 2004-02-06 | 2004 World Cup 5, Czech Republic | 1500 m | 5 |
| 2004-02-06 | 2004 World Cup 5, Czech Republic | 500 m | 12 |
| 2004-02-06 | 2004 World Cup 5, Czech Republic | 1000 m | 9 |
| 2003-12-05 | 2003 World Cup 4, China, Beijing | 1500 m | 3 |
| 2003-10-23 | 2003 World Cup 2, USA | 1500 m | 3 |
| 2003-10-17 | 2003 World Cup 1, Canada | 1500 m | 7 |
| 2002-12-06 | 2002 World Cup 4 Italy | 1500 m | 10 |
| 2002-04-05 | 2002 World Championships | 1500 m | 2 |
| 2002-04-05 | 2002 World Championships | 500 m | 4 |
| 2002-04-05 | 2002 World Championships | 1000 m | 2 |
| 2002-04-05 | 2002 World Championships | 3000 m | 2 |
| 2001-10-25 | 2001 Olympic Qualifier | 1500 m | 1 |
| 2001-10-25 | 2001 Olympic Qualifier | 500 m | 11 |
| 2001-10-25 | 2001 Olympic Qualifier | 1000 m | 2 |
| 2001-10-18 | 2001 World Cup - Calgary | 1500 m | 6 |
| 2001-10-18 | 2001 World Cup - Calgary | 500 m | 10 |
| 2001-10-18 | 2001 World Cup - Calgary | 1000 m | 2 |
| 2001-10-18 | 2001 World Cup - Calgary | 3000 m | 3 |
| 2001-09-28 | 2001 World Cup - Nobeyama | 1500 m | 1 |
| 2001-09-28 | 2001 World Cup - Nobeyama | 500 m | 9 |
| 2001-09-28 | 2001 World Cup - Nobeyama | 1000 m | 1 |
| 2001-09-28 | 2001 World Cup - Nobeyama | 3000 m | 1 |
| 2001-09-21 | 2001 World Cup - Changchun | 1500 m | 1 |
| 2001-09-21 | 2001 World Cup - Changchun | 500 m | 14 |
| 2001-09-21 | 2001 World Cup - Changchun | 1000 m | 1 |
| 2001-09-21 | 2001 World Cup - Changchun | 3000 m | 1 |
This is the official classification published per distance: what Ko Gi-Hyun entered and where they finished. The race-by-race record — heats, semi-finals, split times and video — is built on demand from the same database.
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