| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 6 | 50.43 | ||
| 1 | 1 | 37.84 | ||
| 2 | 18 | DQ | ||
| 2 | 17 | 1:00.43 | ||
| 2 | 13 | 57.13 | ||
| 3 | 7 | 50.87 | ||
| 3 | 3 | 44.33 | ||
| 3 | 8 | 52.23 | ||
| 4 | 18 | DQ | ||
| 4 | 18 | NS | ||
| 4 | 12 | 53.89 | ||
| 5 | 18 | NS | ||
| 5 | 4 | 47.92 | ||
| 5 | 2 | 44.00 | ||
| 6 | 16 | 59.89 | ||
| 6 | 14 | 58.31 | ||
| 6 | 10 | 52.61 | ||
| 7 | 9 | 52.48 | ||
| 7 | 18 | NS | ||
| 7 | 11 | 53.66 | ||
| 8 | 18 | DQ | ||
| 8 | 5 | 47.98 | ||
| 8 | 15 | 59.17 |