| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 2 | 7 | 52.30 (24.37 52.30) |
||
| 3 | 9 | NS (0. 0 0. 0) |
||
| 4 | 5 | 50.12 (23.78 50.12) |
||
| 5 | 3 | 49.80 (23.90 49.80) |
||
| 6 | 1 | 47.64 (22.81 47.64) |
||
| 7 | 2 | 48.89 (23.21 48.89) |
||
| 8 | 4 | 49.98 (23.86 49.98) |
||
| 9 | 6 | 52.10 (24.90 52.10) |
||
| 10 | 8 | 53.14 (25.83 53.14) |