| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 20 | 53.64 | ||
| 1 | 5 | 32.74 | ||
| 2 | 12 | 43.65 | ||
| 2 | 18 | 51.63 | ||
| 2 | 3 | 32.05 | ||
| 3 | 13 | 44.55 | ||
| 3 | 6 | 32.89 | ||
| 3 | 17 | 50.85 | ||
| 4 | 1 | 29.51 | ||
| 4 | 10 | 43.36 | ||
| 4 | 15 | 47.43 | ||
| 5 | 2 | 31.05 | ||
| 5 | 11 | 43.59 | ||
| 5 | 21 | DQ | ||
| 6 | 8 | 41.46 | ||
| 6 | 4 | 32.20 | ||
| 6 | 14 | 45.97 | ||
| 7 | 16 | 49.78 | ||
| 7 | 5 | 32.74 | ||
| 7 | 9 | 42.33 | ||
| 8 | 19 | 52.84 | ||
| 8 | 7 | 33.25 |