| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 5 | 45.30 (45.30) |
||
| 1 | 9 | 49.55 (49.55) |
||
| 2 | 4 | 44.19 (45.62) |
||
| 2 | 8 | 48.74 (48.74) |
||
| 3 | 10 | 49.96 (49.96) |
||
| 3 | 1 | 40.85 (41.29) |
||
| 4 | 6 | 45.35 (45.35) |
||
| 4 | 7 | 47.13 (47.51) |
||
| 5 | 11 | 52.49 (54.24) |
||
| 5 | 2 | 43.97 (49.87) |
||
| 6 | 12 | DQ (48.70) |
||
| 6 | 3 | 43.98 (43.98) |