| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 17 | 51.31 | ||
| 1 | 18 | 52.38 | ||
| 1 | 8 | 38.58 | ||
| 2 | 20 | DQ | ||
| 2 | 9 | 40.02 | ||
| 2 | 1 | 33.96 | ||
| 3 | 6 | 38.22 | ||
| 3 | 7 | 38.50 | ||
| 3 | 14 | 48.98 | ||
| 4 | 20 | NS | ||
| 4 | 2 | 35.10 | ||
| 4 | 10 | 40.29 | ||
| 5 | 3 | 35.43 | ||
| 5 | 13 | 48.22 | ||
| 5 | 11 | 42.15 | ||
| 6 | 12 | 44.60 | ||
| 6 | 5 | 38.21 | ||
| 6 | 15 | 49.18 | ||
| 7 | 20 | DQ | ||
| 7 | 16 | 50.87 | ||
| 8 | 4 | 38.19 | ||
| 8 | 19 | 53.67 |