| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 19 | 52.01 | ||
| 1 | 14 | 49.77 | ||
| 1 | 6 | 40.82 | ||
| 2 | 16 | 50.46 | ||
| 2 | 9 | 46.68 | ||
| 2 | 3 | 40.44 | ||
| 3 | 21 | DQ | ||
| 3 | 21 | DQ | ||
| 3 | 1 | 37.81 | ||
| 4 | 8 | 43.13 | ||
| 4 | 15 | 49.86 | ||
| 4 | 4 | 40.57 | ||
| 5 | 10 | 47.83 | ||
| 5 | 13 | 49.75 | ||
| 5 | 5 | 40.70 | ||
| 6 | 7 | 41.84 | ||
| 6 | 12 | 49.44 | ||
| 6 | 11 | 48.99 | ||
| 7 | 2 | 39.29 | ||
| 7 | 20 | 52.78 | ||
| 7 | 21 | NS | ||
| 8 | 18 | 51.36 | ||
| 8 | 21 | NS | ||
| 8 | 17 | 51.23 |