| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 20 | 46.21 | ||
| 1 | 19 | 46.18 | ||
| 1 | 8 | 42.43 | ||
| 2 | 22 | 46.40 | ||
| 2 | 28 | 48.44 | ||
| 2 | 11 | 43.44 | ||
| 3 | 30 | DQ | ||
| 3 | 3 | 38.84 | ||
| 3 | 23 | 46.71 | ||
| 4 | 1 | 38.55 | ||
| 4 | 27 | 48.40 | ||
| 4 | 24 | 46.77 | ||
| 5 | 4 | 39.02 | ||
| 5 | 18 | 45.87 | ||
| 5 | 10 | 43.02 | ||
| 6 | 12 | 43.61 | ||
| 6 | 7 | 41.49 | ||
| 6 | 14 | 44.75 | ||
| 7 | 13 | 44.02 | ||
| 7 | 21 | 46.35 | ||
| 7 | 6 | 41.37 | ||
| 8 | 25 | 46.99 | ||
| 8 | 2 | 38.65 | ||
| 8 | 15 | 45.29 | ||
| 9 | 16 | 45.63 | ||
| 9 | 9 | 42.89 | ||
| 9 | 26 | 47.99 | ||
| 10 | 17 | 45.86 | ||
| 10 | 29 | 56.72 | ||
| 10 | 5 | 39.79 |