| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 15 | 55.26 | ||
| 1 | 9 | 47.11 | ||
| 1 | 19 | 1:03.34 | ||
| 2 | 6 | 46.24 | ||
| 2 | 21 | 1:06.74 | ||
| 2 | 13 | 50.98 | ||
| 3 | 8 | 47.09 | ||
| 3 | 10 | 49.37 | ||
| 3 | 20 | 1:03.88 | ||
| 4 | 18 | 59.81 | ||
| 4 | 4 | 45.50 | ||
| 4 | 1 | 40.84 | ||
| 5 | 7 | 46.55 | ||
| 5 | 17 | 59.54 | ||
| 5 | 2 | 43.31 | ||
| 6 | 23 | DQ | ||
| 6 | 3 | 45.18 | ||
| 6 | 11 | 49.82 | ||
| 7 | 5 | 45.67 | ||
| 7 | 22 | 1:09.68 | ||
| 7 | 14 | 54.39 | ||
| 8 | 12 | 50.73 | ||
| 8 | 16 | 57.58 |