| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 11 | 54.82 | ||
| 1 | 12 | 55.59 | ||
| 2 | 9 | 54.00 | ||
| 2 | 10 | 54.56 | ||
| 2 | 6 | 52.89 | ||
| 3 | 4 | 52.34 | ||
| 3 | 19 | 1:10.28 | ||
| 3 | 13 | 56.19 | ||
| 4 | 20 | DQ | ||
| 4 | 1 | 45.84 | ||
| 4 | 5 | 52.79 | ||
| 5 | 17 | 1:09.04 | ||
| 5 | 8 | 53.96 | ||
| 5 | 2 | 50.82 | ||
| 6 | 20 | DQ | ||
| 6 | 14 | 58.44 | ||
| 6 | 16 | 1:05.51 | ||
| 7 | 3 | 52.08 | ||
| 7 | 7 | 53.44 | ||
| 7 | 15 | 1:00.41 | ||
| 8 | 20 | DQ | ||
| 8 | 18 | 1:09.97 |