| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 8 | 52.30 | ||
| 1 | 18 | 1:09.87 | ||
| 1 | 9 | 53.57 | ||
| 2 | 19 | 1:11.78 | ||
| 2 | 10 | 53.89 | ||
| 2 | 7 | 50.61 | ||
| 3 | 1 | 45.50 | ||
| 3 | 16 | 1:06.27 | ||
| 3 | 21 | DQ | ||
| 4 | 5 | 49.43 | ||
| 4 | 21 | DQ | ||
| 4 | 17 | 1:09.41 | ||
| 5 | 4 | 48.28 | ||
| 5 | 12 | 1:00.22 | ||
| 5 | 20 | 1:15.67 | ||
| 6 | 3 | 47.25 | ||
| 6 | 15 | 1:04.01 | ||
| 6 | 14 | 1:01.41 | ||
| 7 | 21 | DQ | ||
| 7 | 13 | 1:00.76 | ||
| 7 | 2 | 46.17 | ||
| 8 | 6 | 49.44 | ||
| 8 | 11 | 56.17 |