| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 19 | 48.65 | ||
| 1 | 22 | DQ | ||
| 1 | 9 | 41.17 | ||
| 2 | 15 | 45.38 | ||
| 2 | 21 | 52.13 | ||
| 2 | 6 | 39.91 | ||
| 3 | 8 | 40.68 | ||
| 3 | 13 | 45.07 | ||
| 3 | 17 | 47.96 | ||
| 4 | 12 | 44.57 | ||
| 4 | 20 | 49.90 | ||
| 4 | 5 | 39.61 | ||
| 5 | 1 | 36.73 | ||
| 5 | 11 | 42.93 | ||
| 5 | 22 | DQ | ||
| 6 | 3 | 39.28 | ||
| 6 | 22 | DQ | ||
| 6 | 7 | 40.25 | ||
| 7 | 16 | 45.81 | ||
| 7 | 2 | 38.97 | ||
| 7 | 10 | 42.57 | ||
| 8 | 4 | 39.58 | ||
| 8 | 14 | 45.17 | ||
| 8 | 18 | 48.01 |