| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 12 | 51.78 | ||
| 1 | 9 | 50.98 | ||
| 1 | 18 | 1:01.40 | ||
| 2 | 4 | 45.76 | ||
| 2 | 19 | 1:03.16 | ||
| 2 | 10 | 51.52 | ||
| 3 | 8 | 50.64 | ||
| 3 | 11 | 51.70 | ||
| 3 | 21 | DQ | ||
| 4 | 1 | 41.36 | ||
| 4 | 14 | 55.05 | ||
| 4 | 13 | 53.41 | ||
| 5 | 21 | DQ | ||
| 5 | 3 | 44.62 | ||
| 5 | 7 | 50.56 | ||
| 6 | 17 | 58.48 | ||
| 6 | 5 | 46.05 | ||
| 6 | 21 | NS | ||
| 7 | 21 | NS | ||
| 7 | 16 | 56.34 | ||
| 7 | 6 | 49.86 | ||
| 8 | 15 | 55.36 | ||
| 8 | 20 | 1:08.36 | ||
| 8 | 2 | 44.04 |