| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 19 | 57.77 | ||
| 1 | 18 | 56.42 | ||
| 1 | 16 | 49.49 | ||
| 2 | 14 | 48.38 | ||
| 2 | 15 | 48.73 | ||
| 2 | 3 | 43.27 | ||
| 2 | 4 | 43.97 | ||
| 3 | 5 | 45.38 | ||
| 3 | 2 | 38.06 | ||
| 3 | 7 | 46.18 | ||
| 3 | 10 | 46.60 | ||
| 4 | 1 | 37.99 | ||
| 4 | 6 | 45.94 | ||
| 4 | 9 | 46.46 | ||
| 4 | 12 | 47.57 | ||
| 5 | 21 | DQ | ||
| 5 | 8 | 46.34 | ||
| 5 | 11 | 47.44 | ||
| 5 | 13 | 48.25 | ||
| 6 | 17 | 50.19 | ||
| 6 | 20 | 59.50 | ||
| 6 | 21 | DQ |