| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 22 | DQ | ||
| 1 | 19 | 49.97 | ||
| 1 | 6 | 42.53 | ||
| 2 | 16 | 46.40 | ||
| 2 | 22 | DQ | ||
| 2 | 20 | 50.00 | ||
| 3 | 21 | 50.40 | ||
| 3 | 1 | 38.32 | ||
| 3 | 4 | 41.23 | ||
| 4 | 2 | 38.97 | ||
| 4 | 3 | 40.73 | ||
| 4 | 8 | 42.78 | ||
| 5 | 7 | 42.72 | ||
| 5 | 12 | 45.18 | ||
| 5 | 5 | 42.14 | ||
| 6 | 15 | 45.47 | ||
| 6 | 11 | 45.15 | ||
| 6 | 14 | 45.39 | ||
| 7 | 9 | 43.40 | ||
| 7 | 13 | 45.20 | ||
| 7 | 17 | 46.75 | ||
| 8 | 18 | 47.66 | ||
| 8 | 22 | DQ | ||
| 8 | 10 | 44.48 |