| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 22 | DQ | ||
| 1 | 12 | 46.12 | ||
| 1 | 11 | 45.58 | ||
| 2 | 14 | 46.29 | ||
| 2 | 19 | 48.83 | ||
| 2 | 5 | 39.70 | ||
| 3 | 8 | 43.98 | ||
| 3 | 13 | 46.24 | ||
| 3 | 9 | 44.29 | ||
| 4 | 10 | 45.52 | ||
| 4 | 1 | 38.48 | ||
| 4 | 7 | 41.90 | ||
| 5 | 20 | 53.29 | ||
| 5 | 16 | 46.92 | ||
| 5 | 2 | 38.71 | ||
| 6 | 3 | 38.82 | ||
| 6 | 22 | NS | ||
| 6 | 17 | 47.53 | ||
| 7 | 15 | 46.66 | ||
| 7 | 4 | 39.34 | ||
| 7 | 18 | 48.53 | ||
| 8 | 6 | 41.76 | ||
| 8 | 21 | 1:18.39 |