| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 3 | 47.45 | ||
| 1 | 18 | 1:09.17 | ||
| 2 | 2 | 46.79 | ||
| 2 | 10 | 58.16 | ||
| 2 | 20 | DQ | ||
| 3 | 17 | 1:08.62 | ||
| 3 | 4 | 49.49 | ||
| 3 | 7 | 55.20 | ||
| 4 | 11 | 58.56 | ||
| 4 | 1 | 45.98 | ||
| 4 | 16 | 1:08.07 | ||
| 5 | 12 | 1:00.28 | ||
| 5 | 5 | 51.37 | ||
| 5 | 15 | 1:07.98 | ||
| 6 | 14 | 1:07.47 | ||
| 6 | 20 | DQ | ||
| 6 | 9 | 57.89 | ||
| 7 | 19 | 1:17.53 | ||
| 7 | 6 | 51.48 | ||
| 7 | 8 | 55.40 | ||
| 8 | 13 | 1:06.43 |