| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 13 | 51.91 | ||
| 1 | 18 | 52.92 | ||
| 1 | 4 | 42.34 | ||
| 2 | 17 | 52.67 | ||
| 2 | 2 | 40.50 | ||
| 2 | 21 | 58.84 | ||
| 3 | 22 | NS | ||
| 3 | 6 | 42.63 | ||
| 3 | 19 | 53.75 | ||
| 4 | 5 | 42.36 | ||
| 4 | 12 | 51.61 | ||
| 4 | 10 | 46.83 | ||
| 5 | 9 | 46.51 | ||
| 5 | 8 | 43.40 | ||
| 5 | 14 | 51.97 | ||
| 6 | 16 | 52.39 | ||
| 6 | 22 | DQ | ||
| 6 | 3 | 40.51 | ||
| 7 | 20 | 54.79 | ||
| 7 | 11 | 49.61 | ||
| 7 | 1 | 39.66 | ||
| 8 | 13 | 51.91 | ||
| 8 | 15 | 52.27 | ||
| 8 | 7 | 42.82 |