| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 18 | 48.34 | ||
| 1 | 16 | 42.52 | ||
| 1 | 8 | 35.02 | ||
| 2 | 5 | 34.09 | ||
| 2 | 10 | 36.79 | ||
| 2 | 17 | 45.93 | ||
| 3 | 20 | 48.82 | ||
| 3 | 9 | 36.46 | ||
| 3 | 4 | 33.43 | ||
| 4 | 2 | 31.83 | ||
| 4 | 23 | DQ | ||
| 4 | 7 | 34.63 | ||
| 5 | 23 | DQ | ||
| 5 | 1 | 31.52 | ||
| 5 | 12 | 38.41 | ||
| 6 | 13 | 38.53 | ||
| 6 | 6 | 34.20 | ||
| 6 | 21 | 49.35 | ||
| 7 | 19 | 48.70 | ||
| 7 | 14 | 40.02 | ||
| 7 | 11 | 37.23 | ||
| 8 | 3 | 32.40 | ||
| 8 | 22 | 58.92 | ||
| 8 | 15 | 42.08 |