| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 10 | 47.41 | ||
| 1 | 12 | 48.12 | ||
| 1 | 21 | 1:08.83 | ||
| 2 | 6 | 44.57 | ||
| 2 | 19 | 58.58 | ||
| 2 | 22 | 1:10.61 | ||
| 3 | 18 | 54.40 | ||
| 3 | 8 | 45.97 | ||
| 3 | 4 | 43.08 | ||
| 4 | 16 | 52.04 | ||
| 4 | 1 | 36.57 | ||
| 4 | 5 | 43.87 | ||
| 5 | 13 | 50.29 | ||
| 5 | 3 | 41.28 | ||
| 5 | 23 | DQ | ||
| 6 | 15 | 51.62 | ||
| 6 | 23 | NS | ||
| 6 | 2 | 41.04 | ||
| 7 | 14 | 51.25 | ||
| 7 | 9 | 46.59 | ||
| 7 | 7 | 45.40 | ||
| 8 | 20 | 59.27 | ||
| 8 | 17 | 53.30 | ||
| 8 | 11 | 47.69 |