| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 3 | 47.69 | ||
| 1 | 7 | 51.14 | ||
| 2 | 5 | 51.04 | ||
| 2 | 16 | 54.79 | ||
| 2 | 6 | 51.06 | ||
| 3 | 13 | 53.27 | ||
| 3 | 15 | 54.28 | ||
| 4 | 12 | 52.81 | ||
| 4 | 2 | 47.52 | ||
| 4 | 1 | 46.07 | ||
| 5 | 14 | 53.82 | ||
| 5 | 8 | 51.31 | ||
| 5 | 21 | 58.68 | ||
| 6 | 18 | 56.79 | ||
| 6 | 9 | 51.93 | ||
| 6 | 4 | 50.78 | ||
| 7 | 22 | NS | ||
| 7 | 20 | 57.77 | ||
| 7 | 19 | 56.84 | ||
| 8 | 10 | 51.94 | ||
| 8 | 11 | 52.01 | ||
| 8 | 17 | 55.85 |