| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 17 | 47.37 | ||
| 1 | 16 | 47.11 | ||
| 1 | 23 | NS | ||
| 2 | 7 | 41.28 | ||
| 2 | 6 | 40.83 | ||
| 2 | 21 | 49.47 | ||
| 3 | 2 | 38.36 | ||
| 3 | 23 | DQ | ||
| 3 | 14 | 46.58 | ||
| 4 | 20 | 49.38 | ||
| 4 | 3 | 38.67 | ||
| 4 | 9 | 42.42 | ||
| 5 | 11 | 43.92 | ||
| 5 | 18 | 48.40 | ||
| 5 | 8 | 41.75 | ||
| 6 | 4 | 39.09 | ||
| 6 | 12 | 45.73 | ||
| 6 | 15 | 46.62 | ||
| 7 | 1 | 36.60 | ||
| 7 | 10 | 43.22 | ||
| 7 | 13 | 46.50 | ||
| 8 | 22 | 50.10 | ||
| 8 | 5 | 40.74 | ||
| 8 | 19 | 48.62 |