| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 17 | 57.36 | ||
| 1 | 18 | 58.74 | ||
| 2 | 14 | 55.43 | ||
| 2 | 10 | 53.95 | ||
| 2 | 13 | 55.29 | ||
| 3 | 11 | 54.09 | ||
| 3 | 8 | 52.03 | ||
| 3 | 2 | 47.56 | ||
| 4 | 5 | 49.82 | ||
| 4 | 4 | 48.74 | ||
| 4 | 12 | 54.90 | ||
| 5 | 22 | DQ | ||
| 5 | 9 | 53.60 | ||
| 5 | 19 | 59.22 | ||
| 6 | 3 | 48.38 | ||
| 6 | 15 | 56.43 | ||
| 6 | 1 | 46.06 | ||
| 7 | 21 | 1:01.56 | ||
| 7 | 20 | 59.48 | ||
| 7 | 16 | 57.11 | ||
| 8 | 7 | 50.25 | ||
| 8 | 6 | 50.12 |