| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 19 | 49.59 | ||
| 1 | 6 | 36.33 | ||
| 2 | 18 | 47.65 | ||
| 2 | 4 | 35.07 | ||
| 2 | 15 | 43.14 | ||
| 3 | 9 | 38.96 | ||
| 3 | 14 | 43.05 | ||
| 3 | 5 | 36.22 | ||
| 4 | 4 | 35.07 | ||
| 4 | 11 | 40.83 | ||
| 4 | 1 | 31.57 | ||
| 5 | 12 | 41.96 | ||
| 5 | 2 | 33.38 | ||
| 5 | 10 | 39.34 | ||
| 6 | 3 | 35.06 | ||
| 6 | 13 | 42.73 | ||
| 6 | 21 | DQ | ||
| 7 | 20 | 54.54 | ||
| 7 | 7 | 36.50 | ||
| 7 | 16 | 44.19 | ||
| 8 | 8 | 37.34 | ||
| 8 | 17 | 45.18 |