| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 12 | 51.55 | ||
| 1 | 5 | 42.53 | ||
| 2 | 1 | 41.43 | ||
| 2 | 16 | 1:04.05 | ||
| 2 | 20 | DQ | ||
| 3 | 17 | 1:05.13 | ||
| 3 | 10 | 45.73 | ||
| 3 | 8 | 43.84 | ||
| 4 | 2 | 41.77 | ||
| 4 | 14 | 56.74 | ||
| 4 | 6 | 42.69 | ||
| 5 | 4 | 42.23 | ||
| 5 | 15 | 1:00.93 | ||
| 5 | 3 | 41.98 | ||
| 6 | 9 | 43.87 | ||
| 6 | 20 | DQ | ||
| 6 | 13 | 55.35 | ||
| 7 | 7 | 43.75 | ||
| 7 | 18 | 1:08.49 | ||
| 7 | 19 | 1:20.46 | ||
| 8 | 20 | DQ | ||
| 8 | 11 | 46.79 |