| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 14 | 48.16 | ||
| 1 | 7 | 42.94 | ||
| 1 | 20 | 51.98 | ||
| 2 | 19 | 49.69 | ||
| 2 | 21 | 52.08 | ||
| 2 | 9 | 44.02 | ||
| 3 | 1 | 39.51 | ||
| 3 | 15 | 48.64 | ||
| 3 | 13 | 46.78 | ||
| 4 | 2 | 40.60 | ||
| 4 | 4 | 41.19 | ||
| 4 | 8 | 43.34 | ||
| 5 | 22 | 55.12 | ||
| 5 | 3 | 41.12 | ||
| 5 | 5 | 41.31 | ||
| 6 | 18 | 49.67 | ||
| 6 | 17 | 48.67 | ||
| 6 | 12 | 45.45 | ||
| 7 | 6 | 41.58 | ||
| 7 | 16 | 48.65 | ||
| 7 | 10 | 44.12 | ||
| 8 | 23 | DQ | ||
| 8 | 11 | 44.58 | ||
| 8 | 23 | NS |