| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 13 | 46.60 | ||
| 1 | 9 | 43.75 | ||
| 1 | 22 | DQ | ||
| 2 | 4 | 38.09 | ||
| 2 | 16 | 48.27 | ||
| 2 | 17 | 53.58 | ||
| 3 | 5 | 38.91 | ||
| 3 | 14 | 47.46 | ||
| 3 | 18 | 54.30 | ||
| 4 | 21 | 1:27.40 | ||
| 4 | 3 | 32.86 | ||
| 4 | 8 | 43.24 | ||
| 5 | 20 | 1:17.08 | ||
| 5 | 6 | 40.86 | ||
| 5 | 2 | 32.37 | ||
| 6 | 1 | 32.08 | ||
| 6 | 22 | DQ | ||
| 6 | 10 | 45.59 | ||
| 7 | 15 | 48.04 | ||
| 7 | 11 | 45.71 | ||
| 7 | 19 | 1:01.48 | ||
| 8 | 7 | 42.20 | ||
| 8 | 12 | 46.15 |