| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 13 | 46.94 | ||
| 1 | 12 | 46.28 | ||
| 1 | 6 | 42.82 | ||
| 2 | 19 | NS | ||
| 2 | 19 | NS | ||
| 2 | 9 | 45.79 | ||
| 3 | 1 | 39.96 | ||
| 3 | 10 | 45.82 | ||
| 3 | 19 | NS | ||
| 4 | 2 | 40.57 | ||
| 4 | 4 | 42.52 | ||
| 4 | 17 | 48.28 | ||
| 5 | 3 | 41.52 | ||
| 5 | 19 | NS | ||
| 5 | 14 | 47.05 | ||
| 6 | 19 | DQ | ||
| 6 | 11 | 46.13 | ||
| 6 | 5 | 42.54 | ||
| 7 | 8 | 44.89 | ||
| 7 | 7 | 43.24 | ||
| 7 | 16 | 48.03 | ||
| 8 | 18 | 48.47 | ||
| 8 | 15 | 47.26 | ||
| 8 | 19 | NS |