| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 12 | 55.36 | ||
| 1 | 17 | 1:00.51 | ||
| 1 | 8 | 52.78 | ||
| 2 | 5 | 45.39 | ||
| 2 | 2 | 44.63 | ||
| 2 | 18 | 1:03.23 | ||
| 3 | 16 | 1:00.01 | ||
| 3 | 20 | DQ | ||
| 3 | 4 | 45.35 | ||
| 4 | 9 | 54.93 | ||
| 4 | 7 | 48.96 | ||
| 4 | 3 | 44.84 | ||
| 5 | 15 | 58.77 | ||
| 5 | 10 | 54.94 | ||
| 5 | 1 | 44.53 | ||
| 6 | 13 | 56.82 | ||
| 6 | 20 | NS | ||
| 6 | 14 | 57.92 | ||
| 7 | 19 | 1:11.24 | ||
| 7 | 6 | 47.41 | ||
| 7 | 11 | 54.95 |