| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 3 | 43.90 | ||
| 1 | 17 | 52.43 | ||
| 1 | 21 | 54.74 | ||
| 2 | 5 | 46.79 | ||
| 2 | 2 | 43.25 | ||
| 2 | 16 | 52.17 | ||
| 3 | 14 | 51.14 | ||
| 3 | 15 | 52.05 | ||
| 3 | 9 | 49.01 | ||
| 4 | 1 | 42.53 | ||
| 4 | 4 | 45.97 | ||
| 4 | 10 | 49.69 | ||
| 5 | 6 | 46.89 | ||
| 5 | 22 | DQ | ||
| 5 | 7 | 47.15 | ||
| 6 | 11 | 50.08 | ||
| 6 | 8 | 48.48 | ||
| 6 | 22 | NS | ||
| 7 | 12 | 50.28 | ||
| 7 | 19 | 53.27 | ||
| 7 | 13 | 50.29 | ||
| 8 | 22 | DQ | ||
| 8 | 18 | 52.53 | ||
| 8 | 20 | 53.79 |