| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 5 | 46.27 (10.53 21.97 34.10 46.27) |
||
| 2 | 3 | 45.46 (10.38 21.88 33.71 45.46) |
||
| 3 | 7 | 47.21 (10.81 22.64 35.01 47.21) |
||
| 4 | 1 | 43.80 (10.30 21.18 32.69 43.80) |
||
| 5 | 2 | 45.23 (10.40 21.86 33.78 45.23) |
||
| 6 | 4 | 46.12 (10.65 22.33 34.42 46.12) |
||
| 7 | 6 | 46.60 (10.64 22.37 34.57 46.60) |
||
| 8 | 8 | 48.11 (10.98 23.10 35.62 48.11) |