| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 18 | 46.86 | ||
| 1 | 21 | 49.72 | ||
| 1 | 8 | 42.23 | ||
| 2 | 19 | 47.05 | ||
| 2 | 13 | 44.09 | ||
| 2 | 6 | 41.09 | ||
| 3 | 3 | 39.20 | ||
| 3 | 10 | 42.56 | ||
| 3 | 15 | 44.49 | ||
| 4 | 5 | 40.47 | ||
| 4 | 4 | 39.60 | ||
| 4 | 7 | 41.74 | ||
| 5 | 22 | NS | ||
| 5 | 2 | 38.63 | ||
| 5 | 1 | 37.02 | ||
| 6 | 16 | 44.92 | ||
| 6 | 9 | 42.27 | ||
| 6 | 11 | 43.31 | ||
| 7 | 12 | 43.47 | ||
| 7 | 14 | 44.38 | ||
| 7 | 20 | 48.75 | ||
| 8 | 22 | NS | ||
| 8 | 17 | 45.18 |