| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 18 | DQ | ||
| 1 | 10 | 46.83 | ||
| 1 | 4 | 41.78 | ||
| 2 | 18 | NS | ||
| 2 | 18 | DQ | ||
| 2 | 11 | 47.05 | ||
| 3 | 2 | 37.91 | ||
| 3 | 15 | 51.70 | ||
| 3 | 14 | 50.07 | ||
| 4 | 7 | 44.21 | ||
| 4 | 18 | DQ | ||
| 4 | 1 | 37.67 | ||
| 5 | 6 | 43.52 | ||
| 5 | 5 | 42.25 | ||
| 5 | 13 | 48.31 | ||
| 6 | 16 | 53.56 | ||
| 6 | 3 | 40.23 | ||
| 6 | 18 | NS | ||
| 7 | 8 | 44.96 | ||
| 7 | 17 | 57.55 | ||
| 7 | 12 | 47.57 | ||
| 8 | 18 | DQ | ||
| 8 | 9 | 46.34 |