| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 13 | 55.69 | ||
| 1 | 3 | 43.62 | ||
| 2 | 15 | 57.41 | ||
| 2 | 11 | 52.01 | ||
| 2 | 8 | 47.13 | ||
| 3 | 19 | 1:10.24 | ||
| 3 | 5 | 44.96 | ||
| 3 | 20 | DQ | ||
| 4 | 12 | 54.95 | ||
| 4 | 4 | 44.32 | ||
| 4 | 1 | 42.38 | ||
| 5 | 10 | 50.35 | ||
| 5 | 9 | 48.24 | ||
| 5 | 14 | 55.86 | ||
| 6 | 2 | 42.76 | ||
| 6 | 20 | NS | ||
| 6 | 7 | 46.54 | ||
| 7 | 17 | 1:01.87 | ||
| 7 | 6 | 46.34 | ||
| 7 | 18 | 1:04.26 | ||
| 8 | 16 | 59.44 |