| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 3 | 50.97 | ||
| 1 | 3 | 50.97 | ||
| 2 | 12 | DQ | ||
| 2 | 5 | 54.28 | ||
| 2 | 12 | DQ | ||
| 2 | 5 | 54.28 | ||
| 3 | 7 | 55.59 | ||
| 3 | 10 | 1:01.53 | ||
| 3 | 7 | 55.59 | ||
| 3 | 10 | 1:01.53 | ||
| 4 | 1 | 45.04 | ||
| 4 | 1 | 45.04 | ||
| 4 | 2 | 45.79 | ||
| 4 | 2 | 45.79 | ||
| 5 | 11 | 1:21.58 | ||
| 5 | 11 | 1:21.58 | ||
| 5 | 4 | 53.24 | ||
| 5 | 4 | 53.24 | ||
| 6 | 9 | 57.41 | ||
| 6 | 6 | 55.41 | ||
| 6 | 9 | 57.41 | ||
| 6 | 6 | 55.41 | ||
| 7 | 12 | NS | ||
| 7 | 8 | 56.72 | ||
| 7 | 12 | NS | ||
| 7 | 8 | 56.72 | ||
| 8 | 12 | NS | ||
| 8 | 12 | NS |