| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 17 | 48.28 | ||
| 1 | 5 | 39.24 | ||
| 1 | 13 | 46.28 | ||
| 2 | 4 | 39.15 | ||
| 2 | 14 | 46.78 | ||
| 2 | 18 | 49.62 | ||
| 3 | 2 | 38.41 | ||
| 3 | 10 | 43.12 | ||
| 3 | 19 | 50.72 | ||
| 4 | 9 | 42.90 | ||
| 4 | 1 | 36.60 | ||
| 4 | 12 | 45.88 | ||
| 5 | 16 | 47.35 | ||
| 5 | 23 | DQ | ||
| 5 | 8 | 42.03 | ||
| 6 | 21 | 52.02 | ||
| 6 | 6 | 39.39 | ||
| 6 | 3 | 38.90 | ||
| 7 | 22 | 52.39 | ||
| 7 | 11 | 44.03 | ||
| 7 | 15 | 46.96 | ||
| 8 | 7 | 41.34 | ||
| 8 | 20 | 51.44 | ||
| 8 | 23 | DQ |