| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 8 | 50.79 | ||
| 1 | 11 | DQ (1:17.20) |
||
| 2 | 4 | 45.43 (45.43) |
||
| 2 | 9 | 1:11.04 (1:12.99) |
||
| 3 | 6 | 47.23 (47.23) |
||
| 3 | 1 | 37.77 (37.77) |
||
| 4 | 5 | 46.90 (48.99) |
||
| 4 | 2 | 38.17 (38.17) |
||
| 5 | 10 | 1:15.00 (1:17.29) |
||
| 5 | 3 | 41.37 (41.37) |
||
| 6 | 7 | 47.81 (47.81) |