| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 7 | 45.76 | ||
| 1 | 22 | 1:00.41 | ||
| 1 | 2 | 42.42 | ||
| 2 | 5 | 45.02 | ||
| 2 | 14 | 50.53 | ||
| 2 | 10 | 46.59 | ||
| 3 | 6 | 45.09 | ||
| 3 | 12 | 49.34 | ||
| 3 | 16 | 51.37 | ||
| 4 | 19 | 54.62 | ||
| 4 | 3 | 43.64 | ||
| 4 | 9 | 46.27 | ||
| 5 | 18 | 52.75 | ||
| 5 | 1 | 41.24 | ||
| 5 | 4 | 43.90 | ||
| 6 | 23 | DQ | ||
| 6 | 13 | 49.81 | ||
| 6 | 15 | 50.70 | ||
| 7 | 11 | 46.65 | ||
| 7 | 17 | 51.64 | ||
| 7 | 20 | 55.13 | ||
| 8 | 8 | 46.07 | ||
| 8 | 21 | 56.67 |