| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 15 | 48.27 | ||
| 1 | 8 | 43.67 | ||
| 1 | 10 | 44.52 | ||
| 2 | 14 | 46.85 | ||
| 2 | 5 | 41.59 | ||
| 2 | 7 | 42.85 | ||
| 3 | 20 | NS | ||
| 3 | 2 | 38.33 | ||
| 3 | 12 | 45.03 | ||
| 4 | 1 | 34.09 | ||
| 5 | 16 | 49.45 | ||
| 5 | 20 | NS | ||
| 5 | 3 | 39.38 | ||
| 6 | 4 | 41.41 | ||
| 6 | 17 | 50.12 | ||
| 6 | 11 | 44.66 | ||
| 7 | 18 | 53.94 | ||
| 7 | 6 | 42.02 | ||
| 7 | 20 | DQ | ||
| 8 | 19 | 54.92 | ||
| 8 | 13 | 46.68 | ||
| 8 | 9 | 43.85 |