| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 5 | 49.14 (49.14) |
||
| 1 | 11 | 56.05 (56.05) |
||
| 2 | 1 | 46.05 (46.05) |
||
| 2 | 9 | 52.89 (52.89) |
||
| 3 | 2 | 48.13 (48.13) |
||
| 3 | 8 | 52.75 (52.75) |
||
| 4 | 7 | 50.65 (50.65) |
||
| 4 | 3 | 48.50 (48.50) |
||
| 5 | 10 | 53.13 (57.64) |
||
| 5 | 6 | 50.12 (50.12) |
||
| 6 | 4 | 48.82 (48.82) |
||
| 6 | 12 | DQ (57.76) |