| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 4 | 48.51 | ||
| 1 | 11 | 51.79 | ||
| 1 | 13 | 51.98 | ||
| 2 | 15 | 52.54 | ||
| 2 | 22 | 58.27 | ||
| 2 | 6 | 49.09 | ||
| 3 | 23 | DQ | ||
| 3 | 17 | 53.54 | ||
| 3 | 3 | 47.75 | ||
| 4 | 21 | 55.14 | ||
| 4 | 2 | 46.13 | ||
| 4 | 10 | 51.69 | ||
| 5 | 14 | 52.28 | ||
| 5 | 12 | 51.84 | ||
| 5 | 5 | 48.79 | ||
| 6 | 8 | 49.95 | ||
| 6 | 1 | 45.06 | ||
| 6 | 9 | 51.49 | ||
| 7 | 20 | 55.02 | ||
| 7 | 7 | 49.72 | ||
| 7 | 16 | 52.96 | ||
| 8 | 19 | 54.56 | ||
| 8 | 18 | 53.83 |