| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 21 | 46.36 | ||
| 1 | 2 | 32.29 | ||
| 1 | 16 | 41.01 | ||
| 2 | 18 | 41.45 | ||
| 2 | 3 | 32.62 | ||
| 2 | 5 | 33.41 | ||
| 3 | 8 | 34.93 | ||
| 3 | 12 | 39.49 | ||
| 3 | 15 | 39.94 | ||
| 4 | 1 | 31.55 | ||
| 4 | 13 | 39.65 | ||
| 4 | 14 | 39.71 | ||
| 5 | 24 | DQ | ||
| 5 | 11 | 37.98 | ||
| 5 | 17 | 41.31 | ||
| 6 | 4 | 33.35 | ||
| 6 | 19 | 42.16 | ||
| 6 | 10 | 36.70 | ||
| 7 | 6 | 34.37 | ||
| 7 | 23 | 56.28 | ||
| 7 | 20 | 43.83 | ||
| 8 | 9 | 35.66 | ||
| 8 | 22 | 46.71 | ||
| 8 | 7 | 34.88 |