| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 6 | 44.21 | ||
| 1 | 19 | 53.52 | ||
| 1 | 8 | 44.43 | ||
| 2 | 10 | 46.52 | ||
| 2 | 13 | 48.46 | ||
| 2 | 16 | 50.59 | ||
| 3 | 18 | 51.61 | ||
| 3 | 11 | 46.83 | ||
| 3 | 1 | 40.47 | ||
| 4 | 3 | 41.35 | ||
| 4 | 21 | 55.23 | ||
| 4 | 7 | 44.24 | ||
| 5 | 23 | DQ | ||
| 5 | 17 | 50.85 | ||
| 5 | 14 | 48.47 | ||
| 6 | 9 | 46.07 | ||
| 6 | 20 | 54.01 | ||
| 6 | 2 | 41.12 | ||
| 7 | 4 | 43.13 | ||
| 7 | 15 | 48.79 | ||
| 7 | 23 | DQ | ||
| 8 | 22 | 55.73 | ||
| 8 | 5 | 44.20 | ||
| 8 | 12 | 47.89 |