| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 19 | 50.71 | ||
| 1 | 10 | 43.12 | ||
| 1 | 11 | 43.39 | ||
| 2 | 21 | 54.06 | ||
| 2 | 1 | 38.86 | ||
| 2 | 14 | 48.69 | ||
| 3 | 3 | 40.19 | ||
| 3 | 15 | 48.78 | ||
| 3 | 8 | 42.62 | ||
| 4 | 5 | 41.10 | ||
| 4 | 7 | 42.31 | ||
| 4 | 20 | 50.88 | ||
| 5 | 2 | 39.55 | ||
| 5 | 13 | 46.98 | ||
| 5 | 22 | DQ | ||
| 6 | 22 | DQ | ||
| 6 | 9 | 42.63 | ||
| 6 | 17 | 50.02 | ||
| 7 | 18 | 50.55 | ||
| 7 | 22 | NS | ||
| 7 | 4 | 40.64 | ||
| 8 | 6 | 41.82 | ||
| 8 | 16 | 49.39 | ||
| 8 | 12 | 45.26 |