| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 17 | 1:14.43 | ||
| 1 | 7 | 48.24 | ||
| 2 | 8 | 48.49 | ||
| 2 | 13 | 1:03.51 | ||
| 2 | 16 | 1:05.81 | ||
| 3 | 6 | 48.07 | ||
| 3 | 5 | 46.93 | ||
| 4 | 11 | 55.70 | ||
| 4 | 14 | 1:04.09 | ||
| 4 | 9 | 48.69 | ||
| 5 | 1 | 44.90 | ||
| 5 | 20 | 1:26.43 | ||
| 5 | 12 | 1:01.72 | ||
| 6 | 4 | 46.83 | ||
| 6 | 21 | DQ | ||
| 6 | 18 | 1:21.84 | ||
| 7 | 21 | DQ | ||
| 7 | 2 | 45.96 | ||
| 7 | 15 | 1:05.53 | ||
| 8 | 10 | 50.18 | ||
| 8 | 3 | 46.78 | ||
| 8 | 19 | 1:24.64 |