| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 13 | 48.31 | ||
| 1 | 7 | 44.85 | ||
| 1 | 2 | 41.87 | ||
| 2 | 15 | 50.04 | ||
| 2 | 10 | 46.63 | ||
| 2 | 9 | 45.70 | ||
| 3 | 22 | 51.06 | ||
| 3 | 14 | 48.70 | ||
| 3 | 5 | 43.88 | ||
| 4 | 4 | 43.70 | ||
| 4 | 8 | 45.39 | ||
| 4 | 17 | 50.36 | ||
| 5 | 19 | 50.73 | ||
| 5 | 6 | 43.95 | ||
| 5 | 3 | 43.18 | ||
| 6 | 23 | 52.58 | ||
| 6 | 11 | 47.70 | ||
| 6 | 20 | 50.90 | ||
| 7 | 12 | 47.81 | ||
| 7 | 16 | 50.16 | ||
| 7 | 1 | 39.08 | ||
| 8 | 24 | DQ | ||
| 8 | 21 | 50.92 | ||
| 8 | 18 | 50.69 |