| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 22 | DQ | ||
| 1 | 11 | 49.64 | ||
| 1 | 22 | DQ | ||
| 2 | 14 | 52.51 | ||
| 2 | 7 | 45.51 | ||
| 2 | 20 | 1:00.16 | ||
| 3 | 2 | 39.30 | ||
| 3 | 13 | 50.74 | ||
| 3 | 21 | 1:02.31 | ||
| 4 | 10 | 48.90 | ||
| 4 | 1 | 37.37 | ||
| 4 | 15 | 52.71 | ||
| 5 | 8 | 46.57 | ||
| 5 | 12 | 50.36 | ||
| 5 | 4 | 42.24 | ||
| 6 | 3 | 41.50 | ||
| 6 | 16 | 53.42 | ||
| 6 | 22 | DQ | ||
| 7 | 18 | 55.22 | ||
| 7 | 5 | 42.48 | ||
| 7 | 17 | 54.58 | ||
| 8 | 9 | 48.81 | ||
| 8 | 19 | 55.31 | ||
| 8 | 6 | 44.72 |