| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 12 | 53.35 | ||
| 1 | 9 | 46.79 | ||
| 1 | 11 | 49.99 | ||
| 2 | 17 | 58.54 | ||
| 2 | 15 | 54.69 | ||
| 2 | 3 | 39.69 | ||
| 3 | 19 | DQ | ||
| 3 | 5 | 40.46 | ||
| 3 | 8 | 46.63 | ||
| 4 | 18 | 1:09.51 | ||
| 4 | 19 | NS | ||
| 4 | 1 | 37.42 | ||
| 5 | 2 | 38.28 | ||
| 5 | 7 | 40.51 | ||
| 5 | 14 | 54.52 | ||
| 6 | 19 | DQ | ||
| 6 | 13 | 53.86 | ||
| 6 | 4 | 39.96 | ||
| 7 | 19 | DQ | ||
| 7 | 10 | 48.24 | ||
| 7 | 6 | 40.50 | ||
| 8 | 19 | NS | ||
| 8 | 16 | 55.59 |