| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 6 | 46.51 | ||
| 1 | 8 | 50.18 | ||
| 1 | 16 | 1:00.59 | ||
| 2 | 14 | 59.65 | ||
| 2 | 15 | 1:00.15 | ||
| 2 | 3 | 43.59 | ||
| 3 | 1 | 42.07 | ||
| 3 | 20 | NS | ||
| 3 | 13 | 55.14 | ||
| 4 | 17 | 1:04.51 | ||
| 4 | 20 | NS | ||
| 4 | 4 | 44.38 | ||
| 5 | 2 | 43.44 | ||
| 5 | 12 | 53.08 | ||
| 5 | 18 | 1:15.01 | ||
| 6 | 5 | 46.40 | ||
| 6 | 11 | 51.99 | ||
| 6 | 19 | 1:22.71 | ||
| 7 | 9 | 50.63 | ||
| 7 | 20 | DQ | ||
| 7 | 7 | 47.96 | ||
| 8 | 20 | NS | ||
| 8 | 10 | 51.66 | ||
| 8 | 20 | DQ |