| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 22 | DQ | ||
| 1 | 22 | DQ | ||
| 1 | 9 | 47.26 | ||
| 2 | 16 | 53.91 | ||
| 2 | 21 | 1:00.11 | ||
| 2 | 6 | 43.61 | ||
| 3 | 1 | 40.06 | ||
| 3 | 15 | 53.09 | ||
| 3 | 11 | 50.01 | ||
| 4 | 2 | 40.31 | ||
| 4 | 22 | DQ | ||
| 4 | 8 | 46.94 | ||
| 5 | 10 | 48.23 | ||
| 5 | 3 | 40.54 | ||
| 5 | 14 | 52.71 | ||
| 6 | 17 | 54.24 | ||
| 6 | 12 | 50.83 | ||
| 6 | 4 | 41.52 | ||
| 7 | 5 | 43.43 | ||
| 7 | 20 | 59.32 | ||
| 7 | 18 | 54.38 | ||
| 8 | 13 | 52.25 | ||
| 8 | 7 | 44.77 | ||
| 8 | 19 | 57.12 |