| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 11 | 50.97 | ||
| 1 | 3 | 42.82 | ||
| 1 | 14 | 53.22 | ||
| 2 | 21 | DQ | ||
| 2 | 6 | 44.19 | ||
| 2 | 13 | 51.90 | ||
| 3 | 19 | 58.27 | ||
| 3 | 2 | 42.30 | ||
| 3 | 9 | 47.20 | ||
| 4 | 18 | 58.26 | ||
| 4 | 4 | 42.99 | ||
| 4 | 1 | 41.77 | ||
| 5 | 8 | 45.76 | ||
| 5 | 3 | 42.82 | ||
| 5 | 20 | 1:11.08 | ||
| 6 | 12 | 51.76 | ||
| 6 | 10 | 50.60 | ||
| 6 | 21 | NS | ||
| 7 | 16 | 53.53 | ||
| 7 | 21 | NS | ||
| 7 | 5 | 43.82 | ||
| 8 | 7 | 45.75 | ||
| 8 | 17 | 57.01 | ||
| 8 | 15 | 53.49 |