| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 22 | 56.62 | ||
| 1 | 18 | 54.84 | ||
| 1 | 3 | 45.07 | ||
| 2 | 13 | 51.43 | ||
| 2 | 17 | 54.58 | ||
| 2 | 2 | 44.11 | ||
| 3 | 4 | 45.58 | ||
| 3 | 12 | 51.31 | ||
| 3 | 15 | 51.63 | ||
| 4 | 7 | 47.01 | ||
| 4 | 21 | 56.28 | ||
| 4 | 6 | 46.89 | ||
| 5 | 9 | 48.60 | ||
| 5 | 11 | 51.14 | ||
| 5 | 8 | 47.60 | ||
| 6 | 10 | 48.69 | ||
| 6 | 19 | 55.03 | ||
| 6 | 14 | 51.60 | ||
| 7 | 16 | 52.27 | ||
| 7 | 1 | 42.23 | ||
| 7 | 20 | 55.24 | ||
| 8 | 23 | 58.05 | ||
| 8 | 5 | 46.06 | ||
| 8 | 24 | DQ |