| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 18 | 59.45 | ||
| 1 | 21 | DQ | ||
| 1 | 7 | 46.13 | ||
| 2 | 16 | 56.61 | ||
| 2 | 15 | 56.41 | ||
| 2 | 21 | DQ | ||
| 3 | 10 | 50.93 | ||
| 3 | 14 | 55.78 | ||
| 3 | 2 | 43.83 | ||
| 4 | 17 | 58.10 | ||
| 4 | 3 | 44.40 | ||
| 4 | 4 | 44.43 | ||
| 5 | 1 | 43.56 | ||
| 5 | 8 | 47.49 | ||
| 5 | 13 | 55.10 | ||
| 6 | 12 | 54.99 | ||
| 6 | 5 | 44.61 | ||
| 6 | 19 | 1:00.34 | ||
| 7 | 6 | 45.68 | ||
| 7 | 11 | 54.11 | ||
| 7 | 21 | DQ | ||
| 8 | 20 | 1:14.13 | ||
| 8 | 21 | NS | ||
| 8 | 9 | 50.02 |