| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 7 | 51.02 (12.05 24.83 38.03 51.02) |
||
| 2 | 5 | 50.05 (11.55 24.09 37.13 50.05) |
||
| 3 | 4 | 49.85 (11.37 23.75 36.58 49.85) |
||
| 4 | 8 | 51.12 (11.63 24.31 37.37 51.12) |
||
| 5 | 3 | 49.10 (11.23 23.45 36.34 49.10) |
||
| 6 | 1 | 48.79 (11.19 23.51 36.35 48.79) |
||
| 7 | 6 | 50.57 (11.67 24.10 37.42 50.57) |
||
| 8 | 2 | 49.01 (11.46 23.72 36.38 49.01) |