| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 6 | 45.42 | ||
| 1 | 20 | 58.17 | ||
| 1 | 17 | 52.08 | ||
| 2 | 22 | 1:01.92 | ||
| 2 | 13 | 50.56 | ||
| 2 | 8 | 46.49 | ||
| 3 | 4 | 44.71 | ||
| 3 | 12 | 50.39 | ||
| 3 | 11 | 49.80 | ||
| 4 | 23 | DQ | ||
| 4 | 10 | 49.41 | ||
| 4 | 1 | 41.05 | ||
| 5 | 16 | 51.99 | ||
| 5 | 2 | 42.63 | ||
| 5 | 14 | 51.06 | ||
| 6 | 15 | 51.80 | ||
| 6 | 5 | 44.76 | ||
| 6 | 19 | 55.72 | ||
| 7 | 18 | 52.84 | ||
| 7 | 21 | 58.25 | ||
| 7 | 3 | 44.47 | ||
| 8 | 7 | 45.85 | ||
| 8 | 23 | NS | ||
| 8 | 9 | 48.91 |