| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 15 | 48.87 | ||
| 1 | 5 | 39.83 | ||
| 1 | 21 | 54.35 | ||
| 2 | 11 | 45.61 | ||
| 2 | 4 | 39.44 | ||
| 2 | 20 | 50.64 | ||
| 3 | 2 | 39.17 | ||
| 3 | 18 | 49.89 | ||
| 3 | 13 | 47.33 | ||
| 4 | 10 | 45.04 | ||
| 4 | 9 | 43.99 | ||
| 4 | 3 | 39.21 | ||
| 5 | 17 | 49.43 | ||
| 5 | 1 | 38.34 | ||
| 5 | 24 | DQ | ||
| 6 | 12 | 46.46 | ||
| 6 | 19 | 50.43 | ||
| 6 | 8 | 40.75 | ||
| 7 | 14 | 47.82 | ||
| 7 | 6 | 40.10 | ||
| 7 | 22 | 55.47 | ||
| 8 | 16 | 49.17 | ||
| 8 | 7 | 40.62 | ||
| 8 | 23 | 56.25 |