| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 8 | 41.54 | ||
| 1 | 10 | 43.84 | ||
| 1 | 17 | 49.39 | ||
| 2 | 4 | 38.84 | ||
| 2 | 22 | 56.78 | ||
| 2 | 18 | 49.84 | ||
| 3 | 5 | 39.63 | ||
| 3 | 12 | 46.09 | ||
| 3 | 23 | DQ | ||
| 4 | 14 | 47.02 | ||
| 4 | 2 | 38.13 | ||
| 4 | 7 | 41.35 | ||
| 5 | 11 | 44.31 | ||
| 5 | 1 | 37.41 | ||
| 5 | 19 | 51.21 | ||
| 6 | 15 | 48.86 | ||
| 6 | 3 | 38.77 | ||
| 6 | 13 | 46.52 | ||
| 7 | 21 | 55.86 | ||
| 7 | 9 | 42.67 | ||
| 7 | 23 | DQ | ||
| 8 | 16 | 49.01 | ||
| 8 | 20 | 52.44 | ||
| 8 | 6 | 39.68 |