| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 12 | 52.62 | ||
| 1 | 19 | NS | ||
| 1 | 18 | 1:07.78 | ||
| 2 | 9 | 51.16 | ||
| 2 | 16 | 56.22 | ||
| 2 | 19 | NS | ||
| 3 | 15 | 53.88 | ||
| 3 | 1 | 42.97 | ||
| 3 | 19 | DQ | ||
| 4 | 2 | 43.30 | ||
| 4 | 4 | 45.90 | ||
| 4 | 6 | 48.25 | ||
| 5 | 3 | 44.50 | ||
| 5 | 8 | 50.62 | ||
| 5 | 10 | 51.53 | ||
| 6 | 14 | 53.16 | ||
| 6 | 7 | 48.27 | ||
| 6 | 19 | DQ | ||
| 7 | 19 | DQ | ||
| 7 | 5 | 46.38 | ||
| 7 | 17 | 59.33 | ||
| 8 | 11 | 52.06 | ||
| 8 | 19 | DQ | ||
| 8 | 13 | 52.87 |