| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 17 | 57.36 | ||
| 1 | 16 | 57.31 | ||
| 1 | 20 | DQ | ||
| 2 | 12 | 53.79 | ||
| 2 | 13 | 54.88 | ||
| 2 | 20 | NS | ||
| 3 | 9 | 52.48 | ||
| 3 | 1 | 42.80 | ||
| 3 | 11 | 52.75 | ||
| 4 | 7 | 49.73 | ||
| 4 | 3 | 45.13 | ||
| 4 | 15 | 56.24 | ||
| 5 | 8 | 50.28 | ||
| 5 | 20 | DQ | ||
| 5 | 4 | 45.75 | ||
| 6 | 2 | 42.94 | ||
| 6 | 20 | DQ | ||
| 6 | 19 | 58.69 | ||
| 7 | 10 | 52.71 | ||
| 7 | 18 | 57.57 | ||
| 7 | 5 | 48.87 | ||
| 8 | 20 | NS | ||
| 8 | 14 | 55.24 | ||
| 8 | 6 | 49.61 |