| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 6 | 48.09 | ||
| 1 | 22 | DQ | ||
| 1 | 17 | 1:01.99 | ||
| 2 | 22 | NS | ||
| 2 | 3 | 45.10 | ||
| 2 | 12 | 56.09 | ||
| 3 | 21 | 1:08.70 | ||
| 3 | 14 | 56.85 | ||
| 3 | 8 | 52.43 | ||
| 4 | 13 | 56.47 | ||
| 4 | 20 | 1:07.22 | ||
| 4 | 1 | 42.70 | ||
| 5 | 10 | 53.71 | ||
| 5 | 2 | 44.27 | ||
| 5 | 15 | 57.70 | ||
| 6 | 7 | 49.60 | ||
| 6 | 16 | 1:00.00 | ||
| 6 | 19 | 1:05.41 | ||
| 7 | 5 | 47.66 | ||
| 7 | 11 | 54.07 | ||
| 7 | 22 | NS | ||
| 8 | 4 | 45.15 | ||
| 8 | 18 | 1:02.75 | ||
| 8 | 9 | 52.91 |