| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 22 | 49.26 | ||
| 2 | 19 | 46.41 | ||
| 2 | 24 | 49.36 | ||
| 2 | 3 | 41.78 | ||
| 3 | 10 | 43.17 | ||
| 3 | 18 | 46.32 | ||
| 3 | 1 | 38.88 | ||
| 3 | 25 | 49.92 | ||
| 3 | 2 | 39.28 | ||
| 3 | 5 | 42.44 | ||
| 3 | 21 | 48.37 | ||
| 4 | 20 | 47.63 | ||
| 4 | 8 | 43.13 | ||
| 4 | 14 | 45.08 | ||
| 4 | 23 | 49.34 | ||
| 4 | 11 | 43.40 | ||
| 4 | 12 | 43.85 | ||
| 5 | 26 | 52.34 | ||
| 5 | 16 | 45.57 | ||
| 5 | 4 | 42.24 | ||
| 5 | 27 | DQ | ||
| 5 | 6 | 42.80 | ||
| 6 | 9 | 43.14 | ||
| 6 | 13 | 44.04 | ||
| 6 | 17 | 46.25 | ||
| 7 | 15 | 45.50 (0. 0 45.50) |
||
| 8 | 7 | 42.87 |