| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 21 | DQ | ||
| 1 | 6 | 49.99 | ||
| 1 | 11 | 56.15 | ||
| 2 | 7 | 50.05 | ||
| 2 | 21 | DQ | ||
| 2 | 21 | DQ | ||
| 3 | 13 | 57.24 | ||
| 3 | 16 | 1:04.45 | ||
| 3 | 2 | 46.97 | ||
| 4 | 1 | 46.42 | ||
| 4 | 17 | 1:04.79 | ||
| 4 | 4 | 49.46 | ||
| 5 | 10 | 55.20 | ||
| 5 | 3 | 47.04 | ||
| 5 | 15 | 1:03.93 | ||
| 6 | 12 | 57.15 | ||
| 6 | 5 | 49.82 | ||
| 6 | 20 | 1:19.57 | ||
| 7 | 18 | 1:19.24 | ||
| 7 | 14 | 1:00.78 | ||
| 7 | 8 | 50.58 | ||
| 8 | 21 | DQ | ||
| 8 | 9 | 52.54 | ||
| 8 | 19 | 1:19.49 |