| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 7 | 50.42 (50.42) |
||
| 1 | 2 | 46.81 (46.81) |
||
| 2 | 4 | 47.82 (47.82) |
||
| 2 | 10 | 52.45 (52.45) |
||
| 3 | 9 | 52.24 (52.24) |
||
| 3 | 1 | 46.12 (46.12) |
||
| 4 | 3 | 47.80 (48.20) |
||
| 4 | 12 | 52.58 (52.58) |
||
| 5 | 5 | 48.79 (48.79) |
||
| 5 | 11 | 52.54 (52.54) |
||
| 6 | 8 | 52.00 (52.00) |
||
| 6 | 6 | 49.59 (49.59) |