| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 11 | DQ (54.33) |
||
| 1 | 4 | 47.53 (47.53) |
||
| 2 | 2 | 45.54 (45.54) |
||
| 2 | 6 | 50.21 (50.21) |
||
| 3 | 1 | 42.88 (42.88) |
||
| 3 | 10 | 57.90 (57.90) |
||
| 4 | 3 | 45.88 (45.88) |
||
| 4 | 9 | 57.07 (58.12) |
||
| 5 | 5 | 48.23 (48.23) |
||
| 5 | 7 | 53.33 (55.58) |
||
| 6 | 8 | 55.76 (56.72) |
||
| 6 | 11 | DQ (56.76) |