| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 23 | NS | ||
| 2 | 9 | 51.01 | ||
| 2 | 17 | 1:00.09 | ||
| 2 | 20 | 1:03.53 | ||
| 3 | 18 | 1:00.31 | ||
| 3 | 11 | 53.46 | ||
| 3 | 21 | 1:09.82 | ||
| 4 | 14 | 57.03 | ||
| 4 | 23 | NS | ||
| 4 | 23 | DQ | ||
| 5 | 1 | 45.62 | ||
| 5 | 3 | 47.19 | ||
| 5 | 6 | 50.00 | ||
| 6 | 15 | 57.53 | ||
| 6 | 10 | 51.63 | ||
| 6 | 4 | 48.27 | ||
| 7 | 13 | 54.60 | ||
| 7 | 12 | 53.97 | ||
| 7 | 16 | 59.97 | ||
| 8 | 8 | 50.93 | ||
| 8 | 5 | 49.16 | ||
| 8 | 19 | 1:03.17 | ||
| 9 | 2 | 45.63 | ||
| 9 | 22 | 1:17.72 | ||
| 9 | 7 | 50.37 |