| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 7 | 47.15 | ||
| 1 | 5 | 46.83 | ||
| 1 | 20 | 1:14.47 | ||
| 2 | 2 | 43.94 | ||
| 2 | 13 | 56.69 | ||
| 2 | 21 | NS | ||
| 3 | 10 | 51.51 | ||
| 3 | 3 | 45.73 | ||
| 3 | 15 | 1:02.07 | ||
| 4 | 6 | 46.85 | ||
| 4 | 1 | 40.34 | ||
| 4 | 19 | 1:11.18 | ||
| 5 | 14 | 1:00.41 | ||
| 5 | 4 | 46.41 | ||
| 5 | 9 | 51.12 | ||
| 6 | 17 | 1:05.04 | ||
| 6 | 11 | 51.95 | ||
| 6 | 21 | DQ | ||
| 7 | 16 | 1:03.08 | ||
| 7 | 8 | 48.44 | ||
| 7 | 12 | 55.43 | ||
| 8 | 18 | 1:10.65 |