| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 0 | 10 | 45.45 | ||
| 1 | 12 | 45.66 | ||
| 1 | 15 | 46.29 | ||
| 2 | 7 | 43.62 | ||
| 2 | 22 | DQ | ||
| 2 | 19 | 52.60 | ||
| 3 | 11 | 45.58 | ||
| 3 | 1 | 38.22 | ||
| 3 | 4 | 42.38 | ||
| 4 | 22 | DQ | ||
| 4 | 18 | 50.98 | ||
| 4 | 2 | 41.58 | ||
| 5 | 3 | 41.94 | ||
| 5 | 16 | 48.71 | ||
| 5 | 17 | 49.10 | ||
| 6 | 20 | 54.16 | ||
| 6 | 9 | 45.18 | ||
| 6 | 8 | 44.52 | ||
| 7 | 14 | 45.91 | ||
| 7 | 21 | 56.42 | ||
| 7 | 5 | 42.58 | ||
| 8 | 6 | 43.56 | ||
| 9 | 13 | 45.81 |