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Summary
Quarter-final 1
| Rank | Name | Nation | Time |
| 1 | Choi Min-Gyeong | KOR | 46.033 |
| 2 | Isabelle Charest | CAN | 46.194 |
| 3 | Yelena Tikhonova | RUS | 46.206 |
| Disqualified | |||
| Yang Yang (A) | CHN | ||
| Rank | Name | Nation | Time |
| 1 | Annie Perreault | CAN | 46.421 |
| 2 | Yang Yang (S) | CHN | 46.578 |
| 3 | Chikage Tanaka | JPN | 56.798 |
| Disqualified | |||
| Jong Ok-Myong | PRK | ||
| Rank | Name | Nation | Time |
| 1 | Mara Urbani | ITA | 46.215 |
| 2 | Kim Yun-Mi | KOR | 46.640 |
| 3 | Ikue Teshigawara | JPN | 52.693 |
| Disqualified | |||
| Evgeniya Radanova | BUL | ||
| Rank | Name | Nation | Time |
| 1 | Wang Chunlu | CHN | 46.091 |
| 2 | Jeon I-Gyeong | KOR | 46.163 |
| 3 | Marina Pylayeva | RUS | 46.220 |
| 4 | Erin Gleason | USA | 46.425 |