| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 17 | 45.84 | ||
| 1 | 2 | 40.49 | ||
| 1 | 21 | 53.86 | ||
| 2 | 15 | 44.69 | ||
| 2 | 5 | 42.06 | ||
| 2 | 20 | 51.99 | ||
| 3 | 7 | 42.41 | ||
| 3 | 13 | 43.74 | ||
| 3 | 4 | 41.80 | ||
| 4 | 6 | 42.37 | ||
| 4 | 22 | DQ | ||
| 4 | 3 | 41.14 | ||
| 5 | 16 | 45.47 | ||
| 5 | 11 | 43.43 | ||
| 5 | 9 | 42.85 | ||
| 6 | 1 | 39.26 | ||
| 6 | 12 | 43.64 | ||
| 6 | 10 | 43.11 | ||
| 7 | 22 | NS | ||
| 7 | 18 | 46.41 | ||
| 7 | 19 | 50.02 | ||
| 8 | 22 | NS | ||
| 8 | 8 | 42.48 | ||
| 8 | 14 | 44.49 |