| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 8 | 44.52 | ||
| 1 | 16 | 50.49 | ||
| 1 | 23 | DQ | ||
| 2 | 14 | 49.39 | ||
| 2 | 17 | 50.52 | ||
| 2 | 18 | 50.79 | ||
| 3 | 3 | 40.82 | ||
| 3 | 19 | 52.78 | ||
| 3 | 13 | 48.35 | ||
| 4 | 7 | 44.12 | ||
| 4 | 2 | 40.50 | ||
| 4 | 10 | 47.48 | ||
| 5 | 4 | 41.10 | ||
| 5 | 15 | 50.10 | ||
| 5 | 11 | 48.01 | ||
| 6 | 20 | 53.79 | ||
| 6 | 9 | 45.15 | ||
| 6 | 1 | 37.93 | ||
| 7 | 12 | 48.08 | ||
| 7 | 6 | 42.04 | ||
| 7 | 22 | 56.58 | ||
| 8 | 21 | 54.83 | ||
| 8 | 23 | NS | ||
| 8 | 5 | 41.53 |