| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 21 | 54.07 | ||
| 1 | 9 | 39.62 | ||
| 1 | 20 | 53.49 | ||
| 2 | 16 | 49.68 | ||
| 2 | 7 | 36.66 | ||
| 2 | 25 | DQ | ||
| 3 | 3 | 35.00 | ||
| 3 | 17 | 49.69 | ||
| 3 | 14 | 49.09 | ||
| 4 | 16 | 49.68 | ||
| 4 | 18 | 51.56 | ||
| 4 | 6 | 36.02 | ||
| 5 | 12 | 46.96 | ||
| 5 | 10 | 41.77 | ||
| 5 | 1 | 32.71 | ||
| 6 | 11 | 46.32 | ||
| 6 | 15 | 49.18 | ||
| 6 | 5 | 35.23 | ||
| 7 | 19 | 52.02 | ||
| 7 | 23 | 54.37 | ||
| 7 | 2 | 33.55 | ||
| 8 | 13 | 47.25 | ||
| 8 | 24 | 58.50 | ||
| 8 | 4 | 35.16 | ||
| 9 | 22 | 54.10 | ||
| 9 | 25 | DQ | ||
| 9 | 8 | 38.62 |