| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 8 | 42.27 | ||
| 1 | 15 | 49.00 | ||
| 1 | 14 | 48.30 | ||
| 2 | 23 | 55.58 | ||
| 2 | 12 | 47.01 | ||
| 2 | 5 | 40.61 | ||
| 3 | 4 | 40.04 | ||
| 3 | 11 | 47.00 | ||
| 3 | 22 | 52.60 | ||
| 4 | 20 | 52.21 | ||
| 4 | 3 | 39.97 | ||
| 4 | 18 | 50.05 | ||
| 5 | 2 | 39.72 | ||
| 5 | 10 | 46.68 | ||
| 5 | 24 | DQ | ||
| 6 | 13 | 47.23 | ||
| 6 | 1 | 39.47 | ||
| 6 | 21 | 52.49 | ||
| 7 | 9 | 45.90 | ||
| 7 | 6 | 41.36 | ||
| 7 | 17 | 49.64 | ||
| 8 | 16 | 49.05 | ||
| 8 | 19 | 50.79 | ||
| 8 | 7 | 41.55 |