| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 19 | DQ | ||
| 1 | 19 | NS | ||
| 1 | 16 | 55.36 | ||
| 2 | 11 | 52.91 | ||
| 2 | 8 | 48.28 | ||
| 2 | 19 | DQ | ||
| 3 | 5 | 47.17 | ||
| 3 | 19 | DQ | ||
| 3 | 2 | 46.34 | ||
| 4 | 19 | NS | ||
| 4 | 6 | 47.23 | ||
| 4 | 10 | 52.55 | ||
| 5 | 4 | 46.85 | ||
| 5 | 9 | 48.32 | ||
| 5 | 1 | 45.12 | ||
| 6 | 15 | 54.37 | ||
| 6 | 12 | 53.25 | ||
| 6 | 3 | 46.65 | ||
| 7 | 7 | 47.61 | ||
| 7 | 14 | 53.99 | ||
| 7 | 17 | 56.41 | ||
| 8 | 19 | NS | ||
| 8 | 18 | 58.43 | ||
| 8 | 13 | 53.44 |