| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 8 | 49.59 (23.34 49.59) |
||
| 2 | 2 | 47.75 (22.69 47.75) |
||
| 3 | 7 | 49.47 (23.59 49.47) |
||
| 4 | 5 | 48.29 (23.25 48.29) |
||
| 5 | 3 | 47.83 (22.94 47.83) |
||
| 6 | 10 | DQ (0. 0 0. 0) |
||
| 7 | 6 | 49.17 (23.45 49.17) |
||
| 8 | 1 | 47.64 (23.11 47.64) |
||
| 9 | 4 | 48.24 (23.12 48.24) |
||
| 10 | 9 | 49.71 (23.69 49.71) |