| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 8 | 46.34 | ||
| 1 | 10 | 47.66 | ||
| 1 | 15 | 53.57 | ||
| 2 | 20 | 1:12.21 | ||
| 2 | 9 | 46.38 | ||
| 2 | 4 | 43.25 | ||
| 3 | 19 | 1:08.20 | ||
| 3 | 7 | 45.90 | ||
| 3 | 22 | NS | ||
| 4 | 21 | 1:12.51 | ||
| 4 | 2 | 41.70 | ||
| 4 | 11 | 48.61 | ||
| 5 | 16 | 1:03.73 | ||
| 5 | 1 | 41.13 | ||
| 5 | 14 | 51.27 | ||
| 6 | 13 | 49.27 | ||
| 6 | 17 | 1:05.10 | ||
| 6 | 5 | 45.57 | ||
| 7 | 12 | 48.98 | ||
| 7 | 6 | 45.68 | ||
| 7 | 22 | DQ | ||
| 8 | 3 | 42.56 | ||
| 8 | 22 | NS | ||
| 8 | 18 | 1:05.26 |