| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 21 | 1:01.36 | ||
| 1 | 13 | 53.56 | ||
| 1 | 9 | 48.68 | ||
| 2 | 15 | 54.84 | ||
| 2 | 6 | 46.88 | ||
| 2 | 11 | 51.74 | ||
| 3 | 22 | NS | ||
| 3 | 8 | 47.69 | ||
| 3 | 22 | DQ | ||
| 4 | 1 | 42.22 | ||
| 4 | 19 | 57.14 | ||
| 4 | 18 | 55.55 | ||
| 5 | 2 | 42.25 | ||
| 5 | 20 | 59.57 | ||
| 5 | 7 | 47.50 | ||
| 6 | 16 | 54.99 | ||
| 6 | 12 | 53.40 | ||
| 6 | 3 | 42.43 | ||
| 7 | 4 | 46.01 | ||
| 7 | 14 | 54.50 | ||
| 7 | 10 | 51.68 | ||
| 8 | 17 | 55.50 | ||
| 8 | 5 | 46.23 | ||
| 8 | 22 | DQ |