| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 7 | 52.31 | ||
| 1 | 11 | 54.45 | ||
| 1 | 21 | 1:07.09 | ||
| 2 | 10 | 53.83 | ||
| 2 | 19 | 1:01.99 | ||
| 2 | 22 | DQ | ||
| 3 | 6 | 52.19 | ||
| 3 | 4 | 50.42 | ||
| 3 | 22 | NS | ||
| 4 | 12 | 55.43 | ||
| 4 | 18 | 1:01.13 | ||
| 4 | 3 | 50.24 | ||
| 5 | 20 | 1:05.37 | ||
| 5 | 17 | 58.67 | ||
| 5 | 1 | 45.71 | ||
| 6 | 16 | 58.57 | ||
| 6 | 5 | 51.92 | ||
| 6 | 22 | DQ | ||
| 7 | 9 | 53.18 | ||
| 7 | 14 | 57.49 | ||
| 7 | 2 | 49.94 | ||
| 8 | 8 | 53.11 | ||
| 8 | 13 | 56.85 | ||
| 8 | 15 | 57.87 |