| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 19 | 48.00 | ||
| 1 | 23 | DQ | ||
| 1 | 8 | 38.86 | ||
| 2 | 16 | 45.59 | ||
| 2 | 13 | 44.20 | ||
| 2 | 6 | 35.97 | ||
| 3 | 18 | 45.75 | ||
| 3 | 4 | 35.52 | ||
| 3 | 12 | 42.58 | ||
| 4 | 1 | 32.54 | ||
| 4 | 10 | 41.54 | ||
| 4 | 11 | 41.97 | ||
| 5 | 15 | 45.08 | ||
| 5 | 9 | 41.48 | ||
| 5 | 3 | 34.52 | ||
| 6 | 5 | 35.73 | ||
| 6 | 17 | 45.68 | ||
| 6 | 14 | 44.52 | ||
| 7 | 20 | 48.15 | ||
| 7 | 21 | 57.88 | ||
| 7 | 7 | 37.95 | ||
| 8 | 22 | 1:01.33 | ||
| 8 | 23 | NS | ||
| 8 | 2 | 34.46 |