| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 10 | 48.42 | ||
| 2 | 18 | DQ | ||
| 2 | 17 | 1:02.56 | ||
| 3 | 18 | DQ | ||
| 3 | 2 | 40.78 | ||
| 3 | 18 | DQ | ||
| 3 | 13 | 55.06 | ||
| 3 | 14 | 56.96 | ||
| 4 | 18 | DQ | ||
| 4 | 3 | 40.87 | ||
| 4 | 5 | 46.86 | ||
| 4 | 1 | 37.72 | ||
| 4 | 6 | 47.34 | ||
| 4 | 18 | DQ | ||
| 5 | 15 | 58.88 | ||
| 5 | 4 | 45.72 | ||
| 5 | 12 | 53.66 | ||
| 5 | 9 | 48.41 | ||
| 5 | 18 | DQ | ||
| 5 | 7 | 47.40 | ||
| 6 | 18 | DQ | ||
| 6 | 16 | 59.06 | ||
| 6 | 8 | 47.58 | ||
| 7 | 18 | DQ | ||
| 7 | 11 | 52.05 |