| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 13 | 50.28 | ||
| 1 | 4 | 43.86 | ||
| 1 | 22 | 1:10.31 | ||
| 2 | 2 | 41.44 | ||
| 2 | 18 | 54.79 | ||
| 2 | 11 | 49.07 | ||
| 3 | 1 | 41.12 | ||
| 3 | 19 | 54.89 | ||
| 3 | 15 | 51.69 | ||
| 4 | 3 | 42.73 | ||
| 4 | 9 | 48.13 | ||
| 4 | 20 | 58.06 | ||
| 5 | 8 | 47.01 | ||
| 5 | 5 | 44.99 | ||
| 5 | 23 | 1:16.41 | ||
| 6 | 12 | 49.39 | ||
| 6 | 6 | 46.00 | ||
| 6 | 24 | DQ | ||
| 7 | 7 | 46.74 | ||
| 7 | 16 | 52.03 | ||
| 7 | 10 | 48.30 | ||
| 8 | 14 | 51.32 | ||
| 8 | 17 | 52.07 | ||
| 8 | 21 | 1:10.25 |