| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 21 | 47.80 | ||
| 1 | 18 | 46.56 | ||
| 1 | 9 | 40.52 | ||
| 2 | 22 | 48.39 | ||
| 2 | 5 | 37.45 | ||
| 2 | 12 | 43.57 | ||
| 3 | 11 | 43.24 | ||
| 3 | 14 | 44.22 | ||
| 3 | 6 | 37.51 | ||
| 4 | 23 | NS | ||
| 4 | 1 | 36.25 | ||
| 4 | 4 | 36.87 | ||
| 5 | 2 | 36.49 | ||
| 5 | 19 | 46.74 | ||
| 5 | 8 | 38.92 | ||
| 6 | 3 | 36.62 | ||
| 6 | 16 | 45.90 | ||
| 6 | 13 | 43.73 | ||
| 7 | 15 | 44.59 | ||
| 7 | 20 | 47.00 | ||
| 7 | 7 | 38.79 | ||
| 8 | 17 | 46.35 | ||
| 8 | 10 | 40.91 | ||
| 8 | 23 | DQ |