| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 19 | 58.46 | ||
| 1 | 16 | 56.51 | ||
| 2 | 18 | 57.79 | ||
| 2 | 21 | NS | ||
| 3 | 5 | 44.81 | ||
| 3 | 21 | NS | ||
| 3 | 21 | DQ | ||
| 3 | 3 | 41.56 | ||
| 4 | 6 | 46.15 | ||
| 4 | 21 | DQ | ||
| 4 | 7 | 47.31 | ||
| 4 | 21 | NS | ||
| 5 | 17 | 57.61 | ||
| 5 | 8 | 47.98 | ||
| 5 | 4 | 43.14 | ||
| 5 | 13 | 49.05 | ||
| 6 | 10 | 48.09 | ||
| 6 | 9 | 47.99 | ||
| 6 | 21 | NS | ||
| 6 | 1 | 36.25 | ||
| 7 | 15 | 51.56 | ||
| 7 | 2 | 39.55 | ||
| 7 | 21 | NS | ||
| 7 | 21 | NS | ||
| 8 | 11 | 48.18 | ||
| 8 | 20 | 1:06.39 | ||
| 8 | 12 | 48.92 | ||
| 9 | 21 | NS | ||
| 9 | 14 | 50.73 |