| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 19 | 50.42 | ||
| 1 | 18 | 49.71 | ||
| 1 | 7 | 40.12 | ||
| 2 | 3 | 35.46 | ||
| 2 | 21 | 50.96 | ||
| 2 | 15 | 48.60 | ||
| 3 | 12 | 45.55 | ||
| 3 | 2 | 35.25 | ||
| 3 | 22 | 53.69 | ||
| 4 | 4 | 37.31 | ||
| 4 | 9 | 43.73 | ||
| 4 | 11 | 44.25 | ||
| 5 | 1 | 33.23 | ||
| 5 | 10 | 44.15 | ||
| 5 | 13 | 46.58 | ||
| 6 | 17 | 49.30 | ||
| 6 | 17 | 49.30 | ||
| 6 | 8 | 41.11 | ||
| 7 | 16 | 49.01 | ||
| 7 | 5 | 38.78 | ||
| 7 | 20 | 50.60 | ||
| 8 | 23 | DQ | ||
| 8 | 6 | 38.99 | ||
| 8 | 14 | 47.03 |