| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 7 | 47.90 | ||
| 1 | 15 | 55.34 | ||
| 2 | 12 | 51.12 | ||
| 2 | 3 | 45.75 | ||
| 2 | 18 | 1:09.37 | ||
| 3 | 19 | NS | ||
| 3 | 8 | 48.56 | ||
| 3 | 5 | 46.31 | ||
| 4 | 4 | 46.22 | ||
| 4 | 14 | 53.63 | ||
| 4 | 1 | 41.68 | ||
| 5 | 19 | NS | ||
| 5 | 6 | 46.35 | ||
| 5 | 2 | 44.73 | ||
| 6 | 10 | 50.76 | ||
| 6 | 13 | 51.58 | ||
| 6 | 17 | 1:00.82 | ||
| 7 | 9 | 49.67 | ||
| 7 | 19 | DQ | ||
| 7 | 11 | 51.01 | ||
| 8 | 16 | 56.91 | ||
| 8 | 8 | 48.56 |