| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 18 | 51.40 | ||
| 1 | 7 | 33.15 | ||
| 1 | 22 | DQ | ||
| 2 | 11 | 40.91 | ||
| 2 | 21 | 53.00 | ||
| 2 | 4 | 31.85 | ||
| 3 | 20 | 52.43 | ||
| 3 | 3 | 30.41 | ||
| 3 | 10 | 40.35 | ||
| 4 | 1 | 28.34 | ||
| 4 | 13 | 43.66 | ||
| 4 | 9 | 40.19 | ||
| 5 | 14 | 44.37 | ||
| 5 | 2 | 28.50 | ||
| 5 | 12 | 42.10 | ||
| 6 | 17 | 46.05 | ||
| 6 | 22 | DQ | ||
| 6 | 5 | 31.88 | ||
| 7 | 16 | 45.21 | ||
| 7 | 19 | 52.06 | ||
| 7 | 6 | 32.92 | ||
| 8 | 15 | 44.72 | ||
| 8 | 8 | 33.26 |