| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 14 | 51.20 | ||
| 1 | 9 | 47.88 | ||
| 1 | 18 | 59.10 | ||
| 2 | 17 | 53.96 | ||
| 2 | 13 | 49.66 | ||
| 2 | 11 | 48.66 | ||
| 3 | 4 | 45.78 | ||
| 3 | 6 | 46.55 | ||
| 3 | 19 | DQ | ||
| 4 | 15 | 52.12 | ||
| 4 | 3 | 44.16 | ||
| 4 | 5 | 46.48 | ||
| 5 | 1 | 42.56 | ||
| 5 | 19 | DQ | ||
| 5 | 8 | 47.60 | ||
| 6 | 19 | NS | ||
| 6 | 2 | 43.46 | ||
| 6 | 6 | 46.55 | ||
| 7 | 16 | 52.43 | ||
| 7 | 7 | 46.90 | ||
| 7 | 10 | 48.16 | ||
| 8 | 12 | 48.96 | ||
| 8 | 19 | DQ |