| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 22 | NS | ||
| 1 | 14 | 51.00 | ||
| 1 | 19 | 52.96 | ||
| 1 | 9 | 46.78 | ||
| 2 | 22 | DQ | ||
| 2 | 3 | 41.35 | ||
| 2 | 5 | 42.39 | ||
| 2 | 13 | 49.54 | ||
| 3 | 11 | 49.11 | ||
| 3 | 8 | 46.50 | ||
| 3 | 2 | 37.04 | ||
| 3 | 22 | NS | ||
| 4 | 12 | 49.20 | ||
| 4 | 4 | 42.34 | ||
| 4 | 15 | 51.16 | ||
| 4 | 1 | 36.25 | ||
| 5 | 6 | 43.44 | ||
| 5 | 7 | 43.78 | ||
| 5 | 18 | 52.31 | ||
| 5 | 20 | 53.06 | ||
| 6 | 10 | 47.15 | ||
| 6 | 17 | 51.67 | ||
| 6 | 16 | 51.27 | ||
| 6 | 21 | 55.54 |