| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 10 | 45.19 | ||
| 1 | 23 | DQ | ||
| 1 | 11 | 45.70 | ||
| 2 | 16 | 47.98 | ||
| 2 | 1 | 41.98 | ||
| 2 | 15 | 46.72 | ||
| 3 | 13 | 46.30 | ||
| 3 | 17 | 48.24 | ||
| 3 | 14 | 46.59 | ||
| 4 | 3 | 43.15 | ||
| 4 | 18 | 49.68 | ||
| 4 | 9 | 45.08 | ||
| 5 | 5 | 43.68 | ||
| 5 | 7 | 44.13 | ||
| 5 | 8 | 45.06 | ||
| 6 | 2 | 42.77 | ||
| 6 | 4 | 43.22 | ||
| 6 | 20 | 53.12 | ||
| 7 | 21 | 53.40 | ||
| 7 | 7 | 44.13 | ||
| 7 | 6 | 43.92 | ||
| 8 | 12 | 46.17 | ||
| 8 | 19 | 50.05 | ||
| 8 | 22 | 58.49 |