| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 11 | 46.63 | ||
| 1 | 13 | 48.87 | ||
| 1 | 5 | 43.91 | ||
| 2 | 20 | 55.20 | ||
| 2 | 6 | 43.99 | ||
| 2 | 22 | 58.74 | ||
| 3 | 2 | 42.91 | ||
| 3 | 14 | 49.39 | ||
| 3 | 15 | 49.99 | ||
| 4 | 23 | DQ | ||
| 4 | 12 | 48.15 | ||
| 4 | 4 | 43.71 | ||
| 5 | 1 | 42.74 | ||
| 5 | 23 | DQ | ||
| 5 | 19 | 54.15 | ||
| 6 | 17 | 51.53 | ||
| 6 | 8 | 45.11 | ||
| 6 | 10 | 46.38 | ||
| 7 | 18 | 51.77 | ||
| 7 | 7 | 44.53 | ||
| 7 | 16 | 50.66 | ||
| 8 | 9 | 45.12 | ||
| 8 | 3 | 43.22 | ||
| 8 | 21 | 57.95 |