| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 22 | DQ | ||
| 1 | 18 | 49.37 | ||
| 1 | 12 | 46.12 | ||
| 2 | 7 | 43.86 | ||
| 2 | 13 | 47.71 | ||
| 2 | 15 | 48.00 | ||
| 3 | 10 | 45.77 | ||
| 3 | 1 | 42.27 | ||
| 3 | 17 | 49.18 | ||
| 4 | 3 | 42.76 | ||
| 4 | 5 | 43.33 | ||
| 4 | 8 | 44.75 | ||
| 5 | 22 | NS | ||
| 5 | 16 | 48.18 | ||
| 5 | 2 | 42.71 | ||
| 6 | 22 | DQ | ||
| 6 | 9 | 44.94 | ||
| 6 | 4 | 43.09 | ||
| 7 | 14 | 47.97 | ||
| 7 | 21 | 52.15 | ||
| 7 | 6 | 43.52 | ||
| 8 | 11 | 45.83 | ||
| 8 | 20 | 50.86 | ||
| 8 | 19 | 50.61 |