| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 19 | DQ | ||
| 1 | 16 | 59.01 | ||
| 1 | 7 | 43.12 | ||
| 2 | 12 | 48.19 | ||
| 2 | 17 | 1:00.04 | ||
| 2 | 18 | 1:00.24 | ||
| 3 | 9 | 44.02 | ||
| 3 | 8 | 43.34 | ||
| 3 | 13 | 50.08 | ||
| 4 | 1 | 40.99 | ||
| 4 | 6 | 42.81 | ||
| 4 | 5 | 42.47 | ||
| 5 | 4 | 42.12 | ||
| 5 | 14 | 51.99 | ||
| 5 | 3 | 42.01 | ||
| 6 | 2 | 41.80 | ||
| 6 | 10 | 46.69 | ||
| 6 | 15 | 58.91 | ||
| 7 | 19 | DQ | ||
| 7 | 10 | 46.69 | ||
| 7 | 19 | DQ | ||
| 8 | 11 | 48.02 |