| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 15 | 54.49 | ||
| 1 | 19 | NS | ||
| 1 | 16 | 55.60 | ||
| 2 | 2 | 40.19 | ||
| 2 | 14 | 52.46 | ||
| 2 | 10 | 47.56 | ||
| 3 | 6 | 42.72 | ||
| 3 | 4 | 42.41 | ||
| 3 | 19 | NS | ||
| 4 | 1 | 39.80 | ||
| 4 | 11 | 47.57 | ||
| 4 | 9 | 46.96 | ||
| 5 | 19 | DQ | ||
| 5 | 12 | 48.70 | ||
| 5 | 13 | 50.86 | ||
| 6 | 19 | NS | ||
| 6 | 7 | 46.28 | ||
| 6 | 3 | 41.54 | ||
| 7 | 5 | 42.56 | ||
| 7 | 17 | 56.58 | ||
| 7 | 18 | 1:01.45 | ||
| 8 | 8 | 46.75 | ||
| 8 | 19 | DQ | ||
| 8 | 19 | NS |