| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 18 | 48.20 | ||
| 1 | 13 | 44.71 | ||
| 1 | 4 | 40.50 | ||
| 2 | 17 | 47.37 | ||
| 2 | 3 | 40.04 | ||
| 2 | 12 | 44.52 | ||
| 3 | 2 | 39.59 | ||
| 3 | 15 | 45.64 | ||
| 3 | 21 | 50.74 | ||
| 4 | 7 | 41.55 | ||
| 4 | 5 | 40.78 | ||
| 4 | 11 | 44.10 | ||
| 5 | 22 | 58.84 | ||
| 5 | 1 | 39.07 | ||
| 5 | 10 | 43.01 | ||
| 6 | 9 | 41.83 | ||
| 6 | 23 | DQ | ||
| 6 | 20 | 48.38 | ||
| 7 | 8 | 41.58 | ||
| 7 | 16 | 47.32 | ||
| 7 | 14 | 45.21 | ||
| 8 | 23 | NS | ||
| 8 | 19 | 48.28 | ||
| 8 | 6 | 41.27 |