| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 2 | 39.84 | ||
| 1 | 18 | 47.15 | ||
| 1 | 1 | 39.04 | ||
| 2 | 17 | 45.72 | ||
| 2 | 9 | 42.02 | ||
| 2 | 22 | DQ | ||
| 3 | 10 | 42.10 | ||
| 3 | 16 | 45.12 | ||
| 3 | 15 | 45.00 | ||
| 4 | 6 | 41.60 | ||
| 4 | 11 | 43.32 | ||
| 4 | 3 | 40.30 | ||
| 5 | 14 | 44.84 | ||
| 5 | 12 | 43.53 | ||
| 5 | 5 | 40.97 | ||
| 6 | 22 | NS | ||
| 6 | 7 | 41.80 | ||
| 6 | 19 | 47.73 | ||
| 7 | 13 | 44.26 | ||
| 7 | 21 | 52.56 | ||
| 7 | 8 | 41.81 | ||
| 8 | 4 | 40.83 | ||
| 8 | 20 | 48.30 |