| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 5 | 45.43 | ||
| 1 | 10 | 51.59 | ||
| 2 | 17 | 57.97 | ||
| 2 | 19 | DQ | ||
| 2 | 9 | 49.76 | ||
| 3 | 6 | 46.62 | ||
| 3 | 2 | 41.70 | ||
| 3 | 19 | NS | ||
| 4 | 19 | DQ | ||
| 4 | 3 | 41.88 | ||
| 4 | 14 | 56.82 | ||
| 5 | 18 | 1:11.66 | ||
| 5 | 7 | 47.67 | ||
| 5 | 4 | 44.37 | ||
| 6 | 16 | 57.82 | ||
| 6 | 1 | 41.62 | ||
| 6 | 12 | 54.76 | ||
| 7 | 19 | DQ | ||
| 7 | 8 | 48.30 | ||
| 7 | 15 | 57.21 | ||
| 8 | 13 | 55.77 | ||
| 8 | 11 | 52.52 |