| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 10 | 52.42 | ||
| 1 | 2 | 41.80 | ||
| 2 | 11 | 55.64 | ||
| 2 | 1 | 36.15 | ||
| 3 | 12 | 55.67 | ||
| 3 | 17 | 1:10.29 | ||
| 3 | 5 | 47.80 | ||
| 4 | 4 | 45.64 | ||
| 4 | 16 | 1:09.83 | ||
| 4 | 6 | 48.38 | ||
| 5 | 18 | 1:11.75 | ||
| 5 | 9 | 52.41 | ||
| 5 | 8 | 49.17 | ||
| 6 | 19 | 1:22.11 | ||
| 6 | 15 | 1:08.75 | ||
| 6 | 14 | 59.85 | ||
| 7 | 3 | 43.23 | ||
| 7 | 20 | DQ | ||
| 7 | 13 | 57.37 | ||
| 8 | 20 | DQ | ||
| 8 | 7 | 48.78 |