| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 10 | 47.45 | ||
| 1 | 6 | 44.44 | ||
| 2 | 15 | 52.91 | ||
| 2 | 5 | 41.87 | ||
| 2 | 17 | 54.96 | ||
| 3 | 20 | NS | ||
| 3 | 7 | 44.67 | ||
| 3 | 20 | DQ | ||
| 4 | 16 | 54.31 | ||
| 4 | 12 | 49.47 | ||
| 4 | 1 | 38.15 | ||
| 5 | 14 | 52.39 | ||
| 5 | 20 | DQ | ||
| 5 | 8 | 45.01 | ||
| 6 | 4 | 41.63 | ||
| 6 | 11 | 48.35 | ||
| 6 | 9 | 46.06 | ||
| 7 | 19 | 58.72 | ||
| 7 | 2 | 38.26 | ||
| 7 | 13 | 51.81 | ||
| 8 | 3 | 40.96 | ||
| 8 | 18 | 55.07 |