| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 21 | DQ | ||
| 2 | 7 | 48.78 | ||
| 2 | 21 | DQ | ||
| 3 | 14 | 58.22 | ||
| 3 | 8 | 49.85 | ||
| 3 | 19 | 1:08.93 | ||
| 4 | 21 | NS | ||
| 4 | 2 | 45.29 | ||
| 4 | 12 | 56.83 | ||
| 5 | 15 | 59.01 | ||
| 5 | 1 | 45.27 | ||
| 5 | 9 | 50.13 | ||
| 6 | 10 | 51.74 | ||
| 6 | 16 | 59.19 | ||
| 6 | 3 | 45.76 | ||
| 7 | 17 | 1:02.54 | ||
| 7 | 4 | 46.60 | ||
| 7 | 11 | 54.66 | ||
| 8 | 21 | DQ | ||
| 8 | 18 | 1:06.49 | ||
| 8 | 5 | 47.39 | ||
| 9 | 20 | 1:32.03 | ||
| 9 | 6 | 48.45 | ||
| 10 | 13 | 57.30 |