| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 9 | 55.57 | ||
| 1 | 22 | DQ | ||
| 1 | 22 | DQ | ||
| 2 | 2 | 49.21 | ||
| 2 | 14 | 58.46 | ||
| 2 | 18 | 1:00.37 | ||
| 3 | 19 | 1:01.35 | ||
| 3 | 10 | 55.69 | ||
| 3 | 15 | 58.55 | ||
| 4 | 20 | 1:10.95 | ||
| 4 | 5 | 53.77 | ||
| 4 | 1 | 46.48 | ||
| 5 | 3 | 52.77 | ||
| 5 | 17 | 59.41 | ||
| 5 | 21 | 1:13.89 | ||
| 6 | 13 | 57.66 | ||
| 6 | 12 | 57.30 | ||
| 6 | 8 | 54.84 | ||
| 7 | 4 | 53.64 | ||
| 7 | 16 | 58.73 | ||
| 7 | 7 | 54.64 | ||
| 8 | 11 | 56.73 | ||
| 8 | 22 | DQ | ||
| 8 | 6 | 54.07 |