| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 15 | 47.31 | ||
| 1 | 7 | 42.59 | ||
| 1 | 18 | 48.44 | ||
| 2 | 12 | 46.22 | ||
| 2 | 10 | 45.37 | ||
| 2 | 6 | 41.88 | ||
| 3 | 19 | 48.57 | ||
| 3 | 2 | 38.37 | ||
| 3 | 14 | 46.49 | ||
| 4 | 11 | 45.62 | ||
| 4 | 1 | 37.17 | ||
| 4 | 9 | 44.19 | ||
| 5 | 4 | 39.44 | ||
| 5 | 13 | 46.29 | ||
| 5 | 24 | DQ | ||
| 6 | 17 | 48.06 | ||
| 6 | 20 | 49.90 | ||
| 6 | 3 | 39.34 | ||
| 7 | 21 | 51.01 | ||
| 7 | 16 | 47.91 | ||
| 7 | 8 | 43.15 | ||
| 8 | 23 | 54.29 | ||
| 8 | 5 | 40.28 | ||
| 8 | 22 | 53.90 |