| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 6 | 40.94 | ||
| 1 | 20 | DQ | ||
| 1 | 20 | DQ | ||
| 2 | 14 | 48.04 | ||
| 2 | 18 | 50.52 | ||
| 2 | 4 | 38.25 | ||
| 3 | 3 | 38.22 | ||
| 3 | 16 | 48.40 | ||
| 3 | 9 | 44.98 | ||
| 4 | 12 | 46.78 | ||
| 4 | 7 | 41.87 | ||
| 4 | 1 | 37.43 | ||
| 5 | 8 | 43.77 | ||
| 5 | 20 | NS | ||
| 5 | 11 | 46.54 | ||
| 6 | 2 | 38.18 | ||
| 6 | 15 | 48.36 | ||
| 6 | 13 | 47.52 | ||
| 7 | 10 | 46.51 | ||
| 7 | 19 | 53.93 | ||
| 7 | 5 | 39.15 | ||
| 8 | 20 | NS | ||
| 8 | 20 | NS | ||
| 8 | 17 | 48.61 |