| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 5 | 50.03 | ||
| 1 | 22 | DQ | ||
| 1 | 8 | 51.86 | ||
| 2 | 14 | 58.38 | ||
| 2 | 17 | 1:00.97 | ||
| 2 | 1 | 47.05 | ||
| 3 | 2 | 47.87 | ||
| 3 | 10 | 55.23 | ||
| 3 | 12 | 57.68 | ||
| 4 | 13 | 58.18 | ||
| 4 | 3 | 48.50 | ||
| 4 | 11 | 55.24 | ||
| 5 | 4 | 48.68 | ||
| 5 | 16 | 59.83 | ||
| 5 | 15 | 59.43 | ||
| 6 | 19 | 1:05.99 | ||
| 6 | 6 | 50.58 | ||
| 6 | 20 | 1:12.86 | ||
| 7 | 9 | 53.56 | ||
| 7 | 18 | 1:02.94 | ||
| 7 | 21 | 1:21.88 | ||
| 8 | 7 | 51.44 | ||
| 8 | 22 | DQ |