| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 19 | NS | ||
| 1 | 9 | 51.05 | ||
| 1 | 10 | 51.34 | ||
| 2 | 18 | 1:37.62 | ||
| 2 | 1 | 39.97 | ||
| 3 | 6 | 47.43 | ||
| 3 | 19 | DQ | ||
| 3 | 5 | 41.63 | ||
| 4 | 2 | 40.33 | ||
| 4 | 13 | 56.75 | ||
| 5 | 7 | 48.70 | ||
| 5 | 19 | NS | ||
| 5 | 16 | 1:13.96 | ||
| 6 | 17 | 1:26.40 | ||
| 6 | 19 | NS | ||
| 6 | 11 | 52.14 | ||
| 7 | 3 | 41.04 | ||
| 7 | 14 | 57.38 | ||
| 7 | 12 | 53.25 | ||
| 8 | 8 | 50.81 | ||
| 8 | 15 | 1:05.30 | ||
| 8 | 4 | 41.56 | ||
| 9 | 19 | NS | ||
| 10 | 19 | NS |