| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 14 | 46.55 | ||
| 1 | 9 | 42.83 | ||
| 2 | 21 | DQ | ||
| 2 | 13 | 46.18 | ||
| 2 | 11 | 43.57 | ||
| 3 | 15 | 46.64 | ||
| 3 | 12 | 45.47 | ||
| 3 | 2 | 36.55 | ||
| 4 | 6 | 40.89 | ||
| 4 | 21 | NS | ||
| 4 | 4 | 37.04 | ||
| 5 | 18 | 48.33 | ||
| 5 | 7 | 40.97 | ||
| 5 | 1 | 35.46 | ||
| 6 | 3 | 36.77 | ||
| 6 | 16 | 46.74 | ||
| 6 | 20 | 54.56 | ||
| 7 | 10 | 43.24 | ||
| 7 | 8 | 42.82 | ||
| 7 | 19 | 51.85 | ||
| 8 | 17 | 47.97 | ||
| 8 | 5 | 39.90 |