| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 12 | 44.39 | ||
| 1 | 5 | 37.97 | ||
| 1 | 20 | NS | ||
| 2 | 6 | 38.03 | ||
| 2 | 11 | 42.92 | ||
| 2 | 20 | DQ | ||
| 3 | 14 | 46.73 | ||
| 3 | 1 | 35.48 | ||
| 3 | 20 | DQ | ||
| 4 | 18 | 53.17 | ||
| 4 | 15 | 48.97 | ||
| 4 | 2 | 36.28 | ||
| 5 | 17 | 51.45 | ||
| 5 | 9 | 42.82 | ||
| 5 | 3 | 37.38 | ||
| 6 | 19 | 54.67 | ||
| 6 | 16 | 49.66 | ||
| 6 | 4 | 37.69 | ||
| 7 | 10 | 42.87 | ||
| 7 | 7 | 38.49 | ||
| 7 | 20 | DQ | ||
| 8 | 13 | 45.58 | ||
| 8 | 8 | 40.62 | ||
| 8 | 20 | NS |