| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 18 | 48.31 | ||
| 1 | 4 | 39.56 | ||
| 1 | 21 | 49.58 | ||
| 2 | 6 | 40.19 | ||
| 2 | 17 | 48.05 | ||
| 2 | 13 | 46.10 | ||
| 3 | 19 | 48.68 | ||
| 3 | 1 | 37.67 | ||
| 3 | 14 | 46.59 | ||
| 4 | 5 | 39.82 | ||
| 4 | 16 | 47.81 | ||
| 4 | 12 | 45.35 | ||
| 5 | 11 | 45.24 | ||
| 5 | 2 | 38.54 | ||
| 5 | 9 | 44.31 | ||
| 6 | 8 | 43.35 | ||
| 6 | 15 | 47.10 | ||
| 6 | 22 | 49.88 | ||
| 7 | 3 | 39.55 | ||
| 7 | 23 | 51.57 | ||
| 7 | 10 | 44.65 | ||
| 8 | 24 | NS | ||
| 8 | 20 | 48.94 | ||
| 8 | 7 | 40.82 |