| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 20 | DQ | ||
| 1 | 18 | 57.02 | ||
| 1 | 20 | DQ | ||
| 2 | 1 | 43.51 | ||
| 2 | 16 | 53.88 | ||
| 2 | 15 | 52.95 | ||
| 3 | 12 | 52.14 | ||
| 3 | 11 | 51.31 | ||
| 3 | 4 | 44.17 | ||
| 4 | 19 | 57.15 | ||
| 4 | 9 | 50.40 | ||
| 4 | 5 | 44.23 | ||
| 5 | 8 | 50.23 | ||
| 5 | 2 | 44.03 | ||
| 5 | 7 | 49.79 | ||
| 6 | 13 | 52.60 | ||
| 6 | 3 | 44.07 | ||
| 6 | 20 | DQ | ||
| 7 | 20 | NS | ||
| 7 | 14 | 52.93 | ||
| 7 | 10 | 50.67 | ||
| 8 | 20 | DQ | ||
| 8 | 17 | 56.56 | ||
| 8 | 6 | 46.54 |