| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 7 | 43.05 | ||
| 1 | 10 | 46.50 | ||
| 1 | 20 | 55.71 | ||
| 2 | 3 | 41.34 | ||
| 2 | 14 | 50.75 | ||
| 2 | 23 | 58.77 | ||
| 3 | 4 | 41.75 | ||
| 3 | 12 | 48.99 | ||
| 3 | 24 | DQ | ||
| 4 | 1 | 40.17 | ||
| 4 | 9 | 46.07 | ||
| 4 | 18 | 52.77 | ||
| 5 | 19 | 53.28 | ||
| 5 | 16 | 51.21 | ||
| 5 | 6 | 42.72 | ||
| 6 | 2 | 40.57 | ||
| 6 | 15 | 51.05 | ||
| 6 | 17 | 52.71 | ||
| 7 | 13 | 49.41 | ||
| 7 | 5 | 42.45 | ||
| 7 | 21 | 57.35 | ||
| 8 | 11 | 46.82 | ||
| 8 | 8 | 43.94 | ||
| 8 | 22 | 57.89 |