| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 21 | NS | ||
| 1 | 6 | 45.56 | ||
| 1 | 9 | 47.48 | ||
| 2 | 5 | 44.98 | ||
| 2 | 19 | 1:04.69 | ||
| 2 | 14 | 55.97 | ||
| 3 | 11 | 50.09 | ||
| 3 | 18 | 1:02.72 | ||
| 3 | 13 | 51.71 | ||
| 4 | 21 | DQ | ||
| 4 | 3 | 41.98 | ||
| 4 | 8 | 46.26 | ||
| 5 | 21 | DQ | ||
| 5 | 12 | 50.22 | ||
| 5 | 10 | 48.47 | ||
| 6 | 15 | 57.15 | ||
| 6 | 16 | 57.96 | ||
| 6 | 2 | 39.15 | ||
| 7 | 7 | 45.94 | ||
| 7 | 17 | 58.00 | ||
| 7 | 1 | 35.68 | ||
| 8 | 20 | 1:08.21 | ||
| 8 | 21 | DQ | ||
| 8 | 4 | 44.69 |