| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 7 | 55.20 (26.50 55.20) |
||
| 2 | 4 | 53.23 (25.85 53.23) |
||
| 3 | 5 | 53.53 (25.81 53.53) |
||
| 4 | 2 | 51.96 (25.38 51.96) |
||
| 5 | 8 | DQ (0. 0 0. 0) |
||
| 6 | 1 | 51.61 (25.21 51.61) |
||
| 7 | 3 | 52.25 (25.36 52.25) |
||
| 8 | 4 | 53.23 (25.88 53.23) |
||
| 9 | 6 | 54.49 (26.57 54.49) |
||
| 10 | 8 | NS (0. 0 0. 0) |