| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 9 | 54.68 | ||
| 1 | 19 | 1:14.03 | ||
| 2 | 20 | DQ | ||
| 2 | 15 | 1:04.79 | ||
| 2 | 1 | 49.24 | ||
| 3 | 14 | 1:04.75 | ||
| 3 | 13 | 1:04.09 | ||
| 3 | 3 | 51.97 | ||
| 4 | 12 | 1:04.07 | ||
| 4 | 2 | 51.06 | ||
| 4 | 8 | 54.07 | ||
| 5 | 5 | 52.62 | ||
| 5 | 11 | 1:02.75 | ||
| 5 | 10 | 57.88 | ||
| 6 | 6 | 52.73 | ||
| 6 | 20 | NS | ||
| 6 | 17 | 1:05.62 | ||
| 7 | 7 | 52.77 | ||
| 7 | 20 | NS | ||
| 7 | 16 | 1:05.33 | ||
| 8 | 4 | 52.29 | ||
| 8 | 18 | 1:10.90 |