| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 20 | 49.39 | ||
| 1 | 7 | 38.68 | ||
| 1 | 21 | 50.95 | ||
| 2 | 10 | 42.65 | ||
| 2 | 22 | DQ | ||
| 2 | 6 | 37.96 | ||
| 3 | 1 | 35.46 | ||
| 3 | 14 | 44.98 | ||
| 3 | 13 | 44.43 | ||
| 4 | 4 | 36.60 | ||
| 4 | 8 | 39.30 | ||
| 4 | 12 | 44.01 | ||
| 5 | 9 | 39.40 | ||
| 5 | 11 | 43.63 | ||
| 5 | 2 | 35.47 | ||
| 6 | 15 | 45.73 | ||
| 6 | 5 | 36.65 | ||
| 6 | 19 | 48.18 | ||
| 7 | 3 | 36.42 | ||
| 7 | 22 | NS | ||
| 7 | 17 | 46.57 | ||
| 8 | 18 | 47.15 | ||
| 8 | 16 | 46.05 | ||
| 8 | 5 | 36.65 |