| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 23 | 49.93 | ||
| 1 | 24 | 50.30 | ||
| 1 | 22 | 49.36 | ||
| 2 | 9 | 41.91 | ||
| 2 | 12 | 42.97 | ||
| 2 | 20 | 47.68 | ||
| 3 | 10 | 42.76 | ||
| 3 | 18 | 46.48 | ||
| 3 | 11 | 42.90 | ||
| 4 | 13 | 43.60 | ||
| 4 | 6 | 41.07 | ||
| 4 | 19 | 47.02 | ||
| 5 | 5 | 41.05 | ||
| 5 | 15 | 43.87 | ||
| 5 | 14 | 43.71 | ||
| 6 | 16 | 43.94 | ||
| 6 | 4 | 40.66 | ||
| 6 | 3 | 39.87 | ||
| 7 | 2 | 39.69 | ||
| 7 | 1 | 39.47 | ||
| 7 | 17 | 45.43 | ||
| 8 | 7 | 41.31 | ||
| 8 | 21 | 48.57 | ||
| 8 | 8 | 41.80 |