| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 10 | 56.04 (56.78) |
||
| 1 | 2 | 42.72 (42.72) |
||
| 2 | 3 | 43.88 (43.88) |
||
| 2 | 9 | 51.78 (51.78) |
||
| 3 | 1 | 41.88 (41.88) |
||
| 3 | 8 | 50.07 (50.07) |
||
| 4 | 7 | 49.20 (49.20) |
||
| 4 | 5 | 46.62 (46.62) |
||
| 5 | 12 | DQ (55.40) |
||
| 5 | 6 | 46.80 (46.80) |
||
| 6 | 4 | 45.83 (45.83) |
||
| 6 | 11 | 56.19 (56.19) |