| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 18 | 46.66 | ||
| 1 | 7 | 32.92 | ||
| 1 | 23 | DQ | ||
| 2 | 5 | 31.35 | ||
| 2 | 19 | 49.49 | ||
| 2 | 14 | 43.94 | ||
| 3 | 4 | 31.32 | ||
| 3 | 13 | 43.79 | ||
| 3 | 11 | 41.36 | ||
| 4 | 17 | 45.53 | ||
| 4 | 9 | 40.32 | ||
| 4 | 1 | 30.06 | ||
| 5 | 20 | 49.60 | ||
| 5 | 10 | 40.96 | ||
| 5 | 2 | 30.31 | ||
| 6 | 3 | 31.27 | ||
| 6 | 16 | 44.67 | ||
| 6 | 22 | 53.04 | ||
| 7 | 21 | 49.84 | ||
| 7 | 6 | 32.17 | ||
| 7 | 12 | 43.39 | ||
| 8 | 15 | 44.42 | ||
| 8 | 23 | DQ | ||
| 8 | 8 | 33.46 |