| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 21 | DQ | ||
| 1 | 17 | 45.69 | ||
| 2 | 12 | 42.27 | ||
| 2 | 20 | 47.42 | ||
| 2 | 8 | 35.94 | ||
| 3 | 15 | 43.62 | ||
| 3 | 4 | 33.04 | ||
| 3 | 14 | 43.08 | ||
| 4 | 3 | 32.79 | ||
| 4 | 9 | 36.22 | ||
| 4 | 1 | 29.24 | ||
| 4 | 13 | 42.30 | ||
| 5 | 11 | 39.91 | ||
| 5 | 7 | 34.50 | ||
| 5 | 16 | 45.58 | ||
| 5 | 2 | 32.55 | ||
| 6 | 21 | NS | ||
| 6 | 5 | 33.09 | ||
| 6 | 10 | 39.50 | ||
| 7 | 19 | 46.10 | ||
| 7 | 6 | 33.23 | ||
| 8 | 18 | 46.08 |