| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 10 | 45.35 | ||
| 1 | 20 | 52.14 | ||
| 1 | 6 | 42.40 | ||
| 2 | 8 | 43.86 | ||
| 2 | 2 | 40.76 | ||
| 2 | 22 | DQ | ||
| 3 | 4 | 41.55 | ||
| 3 | 13 | 46.48 | ||
| 3 | 21 | 57.99 | ||
| 4 | 9 | 45.04 | ||
| 4 | 22 | NS | ||
| 4 | 19 | 49.88 | ||
| 5 | 7 | 43.01 | ||
| 5 | 3 | 40.87 | ||
| 5 | 15 | 48.03 | ||
| 6 | 1 | 40.25 | ||
| 6 | 14 | 46.51 | ||
| 6 | 18 | 49.51 | ||
| 7 | 17 | 49.17 | ||
| 7 | 11 | 46.24 | ||
| 7 | 5 | 41.92 | ||
| 8 | 16 | 48.49 | ||
| 8 | 22 | DQ | ||
| 8 | 12 | 46.41 |