| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 10 | 45.56 | ||
| 1 | 23 | DQ | ||
| 1 | 20 | 55.00 | ||
| 2 | 18 | 51.86 | ||
| 2 | 8 | 43.33 | ||
| 2 | 23 | DQ | ||
| 3 | 14 | 48.37 | ||
| 3 | 19 | 52.62 | ||
| 3 | 2 | 41.32 | ||
| 4 | 7 | 42.86 | ||
| 4 | 9 | 45.38 | ||
| 4 | 6 | 42.51 | ||
| 5 | 17 | 50.84 | ||
| 5 | 5 | 41.91 | ||
| 5 | 13 | 47.11 | ||
| 6 | 11 | 46.38 | ||
| 6 | 1 | 39.11 | ||
| 6 | 16 | 50.69 | ||
| 7 | 3 | 41.44 | ||
| 7 | 21 | 56.99 | ||
| 7 | 12 | 46.55 | ||
| 8 | 22 | 1:04.02 | ||
| 8 | 4 | 41.84 | ||
| 8 | 15 | 49.89 |