| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 27 | DQ | ||
| 1 | 6 | 44.33 | ||
| 1 | 15 | 47.36 | ||
| 2 | 21 | 50.47 | ||
| 2 | 1 | 41.32 | ||
| 2 | 12 | 46.00 | ||
| 3 | 8 | 45.17 | ||
| 3 | 19 | 48.82 | ||
| 3 | 17 | 47.87 | ||
| 4 | 16 | 47.38 | ||
| 4 | 4 | 42.49 | ||
| 4 | 20 | 49.62 | ||
| 5 | 5 | 44.22 | ||
| 5 | 14 | 46.78 | ||
| 5 | 3 | 42.33 | ||
| 6 | 7 | 45.04 | ||
| 6 | 2 | 42.27 | ||
| 6 | 9 | 45.48 | ||
| 7 | 11 | 45.68 | ||
| 7 | 24 | 52.61 | ||
| 7 | 10 | 45.61 | ||
| 8 | 18 | 48.42 | ||
| 8 | 23 | 52.24 | ||
| 8 | 13 | 46.18 | ||
| 9 | 27 | DQ | ||
| 9 | 25 | 53.47 | ||
| 9 | 4 | 42.49 | ||
| 10 | 22 | 51.65 | ||
| 10 | 13 | 46.18 | ||
| 10 | 26 | 58.56 |