| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 13 | 50.91 | ||
| 1 | 14 | 51.13 | ||
| 1 | 20 | 1:29.43 | ||
| 2 | 11 | 48.53 | ||
| 2 | 19 | 1:02.36 | ||
| 2 | 15 | 52.53 | ||
| 3 | 6 | 44.70 | ||
| 3 | 7 | 46.22 | ||
| 3 | 8 | 46.98 | ||
| 4 | 1 | 36.69 | ||
| 4 | 21 | NS | ||
| 4 | 3 | 40.85 | ||
| 5 | 4 | 41.89 | ||
| 5 | 5 | 42.63 | ||
| 5 | 2 | 40.40 | ||
| 6 | 10 | 48.47 | ||
| 6 | 21 | DQ | ||
| 6 | 21 | NS | ||
| 7 | 9 | 48.16 | ||
| 7 | 21 | DQ | ||
| 7 | 16 | 54.92 | ||
| 8 | 12 | 50.16 | ||
| 8 | 18 | 59.64 | ||
| 8 | 17 | 55.97 |