| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 18 | NS | ||
| 1 | 18 | NS | ||
| 2 | 7 | 47.87 | ||
| 2 | 8 | 47.89 | ||
| 2 | 13 | 54.91 | ||
| 3 | 2 | 40.79 | ||
| 3 | 6 | 46.40 | ||
| 3 | 14 | 56.73 | ||
| 3 | 15 | 1:00.66 | ||
| 4 | 10 | 49.61 | ||
| 4 | 17 | 1:09.27 | ||
| 4 | 9 | 48.04 | ||
| 4 | 16 | 1:03.67 | ||
| 5 | 5 | 46.17 | ||
| 5 | 4 | 45.65 | ||
| 5 | 18 | NS | ||
| 5 | 18 | DQ | ||
| 6 | 3 | 43.67 | ||
| 6 | 1 | 39.34 | ||
| 7 | 11 | 51.15 | ||
| 7 | 12 | 51.46 | ||
| 8 | 18 | DQ |