| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 17 | 1:02.51 | ||
| 1 | 12 | 51.13 | ||
| 2 | 8 | 50.33 | ||
| 2 | 19 | DQ | ||
| 2 | 10 | 51.00 | ||
| 3 | 16 | 57.54 | ||
| 3 | 19 | NS | ||
| 3 | 2 | 43.59 | ||
| 4 | 1 | 41.35 | ||
| 4 | 9 | 50.44 | ||
| 4 | 5 | 45.76 | ||
| 5 | 3 | 44.77 | ||
| 5 | 4 | 44.96 | ||
| 5 | 14 | 52.92 | ||
| 6 | 15 | 53.49 | ||
| 6 | 13 | 52.25 | ||
| 6 | 6 | 47.62 | ||
| 7 | 19 | DQ | ||
| 7 | 19 | NS | ||
| 7 | 11 | 51.09 | ||
| 8 | 18 | 1:07.82 | ||
| 8 | 7 | 48.59 |