| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 21 | NS | ||
| 1 | 11 | 47.05 | ||
| 1 | 21 | DQ | ||
| 2 | 12 | 47.57 | ||
| 2 | 21 | DQ | ||
| 2 | 2 | 41.71 | ||
| 3 | 1 | 38.29 | ||
| 3 | 21 | NS | ||
| 3 | 14 | 49.26 | ||
| 4 | 5 | 44.83 | ||
| 4 | 6 | 45.01 | ||
| 4 | 16 | 52.27 | ||
| 5 | 15 | 50.97 | ||
| 5 | 3 | 41.98 | ||
| 5 | 19 | 1:00.58 | ||
| 6 | 10 | 46.92 | ||
| 6 | 17 | 55.54 | ||
| 6 | 7 | 45.02 | ||
| 7 | 8 | 46.43 | ||
| 7 | 9 | 46.80 | ||
| 7 | 18 | 55.90 | ||
| 8 | 13 | 48.71 | ||
| 8 | 20 | 1:04.86 | ||
| 8 | 4 | 43.37 |