| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 6 | 45.64 | ||
| 1 | 21 | DQ | ||
| 1 | 9 | 48.72 | ||
| 2 | 15 | 53.79 | ||
| 2 | 1 | 37.64 | ||
| 2 | 18 | 56.78 | ||
| 3 | 4 | 42.89 | ||
| 3 | 11 | 50.74 | ||
| 3 | 12 | 51.28 | ||
| 4 | 14 | 53.61 | ||
| 4 | 5 | 44.60 | ||
| 4 | 8 | 47.01 | ||
| 5 | 13 | 52.47 | ||
| 5 | 2 | 41.55 | ||
| 5 | 10 | 50.55 | ||
| 6 | 21 | DQ | ||
| 6 | 21 | NS | ||
| 6 | 3 | 42.08 | ||
| 7 | 19 | 58.48 | ||
| 7 | 7 | 46.99 | ||
| 7 | 16 | 55.42 | ||
| 8 | 17 | 56.39 | ||
| 8 | 20 | 1:01.46 | ||
| 8 | 21 | NS |