| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 9 | 45.96 | ||
| 1 | 16 | 55.14 | ||
| 2 | 6 | 45.00 | ||
| 2 | 5 | 43.43 | ||
| 2 | 18 | 1:03.65 | ||
| 3 | 20 | DQ | ||
| 3 | 8 | 45.56 | ||
| 3 | 13 | 51.09 | ||
| 4 | 10 | 47.72 | ||
| 4 | 2 | 40.14 | ||
| 4 | 1 | 39.39 | ||
| 5 | 14 | 53.15 | ||
| 5 | 20 | NS | ||
| 5 | 4 | 43.34 | ||
| 6 | 3 | 40.70 | ||
| 6 | 7 | 45.50 | ||
| 6 | 20 | NS | ||
| 7 | 17 | 55.55 | ||
| 7 | 15 | 53.53 | ||
| 7 | 11 | 48.68 | ||
| 8 | 19 | 1:07.43 | ||
| 8 | 12 | 48.72 |