| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 18 | 52.43 | ||
| 1 | 20 | NS | ||
| 1 | 1 | 33.73 | ||
| 2 | 16 | 50.34 | ||
| 2 | 6 | 42.04 | ||
| 2 | 17 | 51.25 | ||
| 3 | 14 | 45.88 | ||
| 3 | 4 | 40.23 | ||
| 3 | 12 | 44.31 | ||
| 4 | 13 | 45.40 | ||
| 4 | 3 | 39.30 | ||
| 4 | 11 | 43.90 | ||
| 5 | 5 | 40.71 | ||
| 5 | 10 | 43.59 | ||
| 5 | 13 | 45.40 | ||
| 6 | 20 | NS | ||
| 6 | 9 | 43.51 | ||
| 6 | 15 | 49.25 | ||
| 7 | 20 | NS | ||
| 7 | 7 | 42.79 | ||
| 7 | 2 | 39.14 | ||
| 8 | 19 | 56.49 | ||
| 8 | 20 | DQ | ||
| 8 | 8 | 43.36 |