| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 13 | 47.99 | ||
| 1 | 21 | 57.29 | ||
| 1 | 6 | 45.21 | ||
| 2 | 17 | 50.57 | ||
| 2 | 7 | 45.76 | ||
| 2 | 14 | 48.51 | ||
| 3 | 10 | 46.81 | ||
| 3 | 22 | DQ | ||
| 3 | 11 | 47.15 | ||
| 4 | 19 | 53.19 | ||
| 4 | 1 | 40.38 | ||
| 4 | 3 | 43.22 | ||
| 5 | 4 | 43.34 | ||
| 5 | 2 | 41.85 | ||
| 5 | 18 | 51.42 | ||
| 6 | 22 | NS | ||
| 6 | 16 | 50.48 | ||
| 6 | 5 | 44.07 | ||
| 7 | 9 | 46.46 | ||
| 7 | 12 | 47.23 | ||
| 7 | 22 | NS | ||
| 8 | 20 | 53.76 | ||
| 8 | 15 | 50.47 | ||
| 8 | 8 | 46.07 |