| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 13 | 52.49 | ||
| 1 | 18 | DQ | ||
| 1 | 17 | 1:02.29 | ||
| 2 | 15 | 54.00 | ||
| 2 | 16 | 56.56 | ||
| 2 | 12 | 51.15 | ||
| 3 | 14 | 52.75 | ||
| 3 | 18 | NS | ||
| 3 | 11 | 50.80 | ||
| 4 | 18 | NS | ||
| 4 | 18 | DQ | ||
| 4 | 18 | DQ | ||
| 5 | 18 | NS | ||
| 5 | 8 | 48.27 | ||
| 5 | 7 | 48.16 | ||
| 6 | 3 | 46.65 | ||
| 6 | 18 | DQ | ||
| 6 | 10 | 50.76 | ||
| 7 | 5 | 47.79 | ||
| 7 | 9 | 50.33 | ||
| 7 | 4 | 47.74 | ||
| 8 | 6 | 48.13 | ||
| 8 | 1 | 41.91 | ||
| 8 | 2 | 45.16 |