| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 12 | 54.78 | ||
| 1 | 19 | DQ | ||
| 1 | 14 | 55.48 | ||
| 2 | 11 | 54.15 | ||
| 2 | 19 | DQ | ||
| 2 | 18 | 1:01.35 | ||
| 3 | 10 | 53.72 | ||
| 3 | 16 | 56.33 | ||
| 3 | 8 | 52.84 | ||
| 4 | 6 | 50.66 | ||
| 4 | 3 | 50.15 | ||
| 5 | 15 | 55.73 | ||
| 5 | 17 | 59.46 | ||
| 5 | 2 | 48.44 | ||
| 6 | 13 | 55.43 | ||
| 6 | 4 | 50.25 | ||
| 6 | 1 | 47.81 | ||
| 7 | 19 | NS | ||
| 7 | 5 | 50.39 | ||
| 7 | 19 | DQ | ||
| 8 | 19 | NS | ||
| 8 | 9 | 53.20 | ||
| 8 | 7 | 50.91 |