| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 3 | 46.03 | ||
| 1 | 11 | 53.67 | ||
| 1 | 12 | 54.79 | ||
| 2 | 18 | 1:11.21 | ||
| 2 | 20 | DQ | ||
| 2 | 13 | 55.18 | ||
| 3 | 4 | 48.57 | ||
| 3 | 5 | 48.87 | ||
| 3 | 17 | 1:03.95 | ||
| 4 | 19 | 1:17.95 | ||
| 4 | 9 | 52.79 | ||
| 4 | 2 | 44.06 | ||
| 5 | 6 | 49.57 | ||
| 5 | 14 | 55.54 | ||
| 5 | 20 | NS | ||
| 6 | 1 | 38.53 | ||
| 6 | 8 | 51.09 | ||
| 6 | 20 | DQ | ||
| 7 | 16 | 59.27 | ||
| 7 | 7 | 50.75 | ||
| 8 | 10 | 53.39 | ||
| 8 | 15 | 58.41 |