| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 11 | 45.25 | ||
| 1 | 19 | 54.12 | ||
| 1 | 6 | 41.42 | ||
| 2 | 13 | 45.61 | ||
| 2 | 3 | 38.90 | ||
| 2 | 21 | 54.55 | ||
| 3 | 20 | 54.43 | ||
| 3 | 8 | 43.24 | ||
| 3 | 1 | 37.17 | ||
| 4 | 9 | 44.20 | ||
| 4 | 15 | 52.01 | ||
| 4 | 7 | 43.20 | ||
| 5 | 12 | 45.49 | ||
| 5 | 2 | 37.40 | ||
| 5 | 16 | 52.05 | ||
| 6 | 18 | 53.81 | ||
| 6 | 14 | 47.95 | ||
| 6 | 4 | 39.42 | ||
| 7 | 17 | 52.70 | ||
| 7 | 5 | 39.99 | ||
| 7 | 23 | DQ | ||
| 8 | 10 | 44.34 | ||
| 8 | 4 | 39.42 | ||
| 8 | 22 | 57.43 |