| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 4 | 44.69 | ||
| 1 | 23 | NS | ||
| 1 | 11 | 46.95 | ||
| 2 | 23 | DQ | ||
| 2 | 12 | 47.70 | ||
| 2 | 7 | 45.79 | ||
| 3 | 10 | 46.80 | ||
| 3 | 18 | 50.35 | ||
| 3 | 14 | 48.54 | ||
| 4 | 15 | 48.64 | ||
| 4 | 2 | 43.24 | ||
| 4 | 21 | 52.19 | ||
| 5 | 20 | 50.73 | ||
| 5 | 6 | 45.69 | ||
| 5 | 3 | 43.31 | ||
| 6 | 19 | 50.71 | ||
| 6 | 1 | 39.77 | ||
| 6 | 13 | 47.74 | ||
| 7 | 16 | 49.78 | ||
| 7 | 8 | 46.13 | ||
| 7 | 9 | 46.18 | ||
| 8 | 5 | 45.51 | ||
| 8 | 17 | 50.09 | ||
| 8 | 22 | 57.78 |