| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 8 | 48.00 | ||
| 1 | 18 | 1:02.03 | ||
| 1 | 21 | 1:18.11 | ||
| 2 | 12 | 49.14 | ||
| 2 | 17 | 1:01.33 | ||
| 2 | 3 | 42.58 | ||
| 3 | 22 | DQ | ||
| 3 | 2 | 42.11 | ||
| 3 | 15 | 54.44 | ||
| 4 | 4 | 42.86 | ||
| 4 | 13 | 52.93 | ||
| 4 | 1 | 41.77 | ||
| 5 | 14 | 54.17 | ||
| 5 | 5 | 43.38 | ||
| 5 | 22 | DQ | ||
| 6 | 19 | 1:04.13 | ||
| 6 | 6 | 43.75 | ||
| 6 | 11 | 48.84 | ||
| 7 | 7 | 43.78 | ||
| 7 | 10 | 48.68 | ||
| 7 | 16 | 54.60 | ||
| 8 | 20 | 1:13.44 | ||
| 8 | 9 | 48.30 |