| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 16 | 53.21 | ||
| 1 | 17 | 53.72 | ||
| 1 | 2 | 36.17 | ||
| 2 | 6 | 38.54 | ||
| 2 | 20 | 54.75 | ||
| 2 | 18 | 53.76 | ||
| 3 | 14 | 51.97 | ||
| 3 | 3 | 36.99 | ||
| 3 | 12 | 50.41 | ||
| 4 | 21 | 55.12 | ||
| 4 | 1 | 35.17 | ||
| 4 | 10 | 47.41 | ||
| 5 | 24 | DQ | ||
| 5 | 13 | 51.49 | ||
| 5 | 4 | 37.92 | ||
| 6 | 7 | 38.73 | ||
| 6 | 9 | 47.36 | ||
| 6 | 19 | 53.98 | ||
| 7 | 5 | 38.46 | ||
| 7 | 15 | 53.07 | ||
| 7 | 22 | 57.09 | ||
| 8 | 8 | 39.82 | ||
| 8 | 23 | 58.04 | ||
| 8 | 11 | 50.23 |