| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 7 | 50.99 | ||
| 1 | 20 | DQ | ||
| 1 | 6 | 46.24 | ||
| 2 | 13 | 1:06.01 | ||
| 2 | 9 | 53.55 | ||
| 2 | 5 | 45.49 | ||
| 3 | 12 | 1:03.58 | ||
| 3 | 4 | 45.16 | ||
| 3 | 14 | 1:08.49 | ||
| 4 | 1 | 40.79 | ||
| 4 | 16 | 1:10.17 | ||
| 4 | 10 | 56.48 | ||
| 5 | 11 | 1:02.97 | ||
| 5 | 2 | 41.35 | ||
| 5 | 8 | 51.63 | ||
| 6 | 19 | 1:15.75 | ||
| 6 | 20 | DQ | ||
| 6 | 20 | NS | ||
| 7 | 17 | 1:10.56 | ||
| 7 | 20 | NS | ||
| 7 | 18 | 1:13.10 | ||
| 8 | 20 | DQ | ||
| 8 | 3 | 43.70 | ||
| 8 | 15 | 1:09.78 |