| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 18 | 51.79 | ||
| 1 | 11 | 48.71 | ||
| 1 | 5 | 40.51 | ||
| 2 | 2 | 37.82 | ||
| 2 | 21 | 55.84 | ||
| 2 | 12 | 48.79 | ||
| 3 | 4 | 39.09 | ||
| 3 | 13 | 49.04 | ||
| 3 | 22 | DQ | ||
| 4 | 7 | 41.41 | ||
| 4 | 19 | 52.43 | ||
| 4 | 10 | 47.86 | ||
| 5 | 15 | 49.64 | ||
| 5 | 16 | 50.46 | ||
| 5 | 6 | 40.78 | ||
| 6 | 14 | 49.26 | ||
| 6 | 3 | 38.02 | ||
| 6 | 17 | 50.80 | ||
| 7 | 22 | NS | ||
| 7 | 1 | 37.02 | ||
| 7 | 9 | 47.43 | ||
| 8 | 8 | 42.49 | ||
| 8 | 22 | DQ | ||
| 8 | 20 | 55.58 |