| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 11 | 46.82 | ||
| 1 | 17 | 51.19 | ||
| 1 | 18 | 51.89 | ||
| 2 | 15 | 50.38 | ||
| 2 | 2 | 40.87 | ||
| 2 | 20 | 54.03 | ||
| 3 | 6 | 41.74 | ||
| 3 | 10 | 45.92 | ||
| 3 | 9 | 44.53 | ||
| 4 | 7 | 43.45 | ||
| 4 | 1 | 37.01 | ||
| 4 | 3 | 41.52 | ||
| 5 | 12 | 47.22 | ||
| 5 | 8 | 44.43 | ||
| 5 | 5 | 41.73 | ||
| 6 | 21 | NS | ||
| 6 | 4 | 41.55 | ||
| 6 | 13 | 49.56 | ||
| 7 | 19 | 53.99 | ||
| 7 | 14 | 50.02 | ||
| 7 | 21 | DQ | ||
| 8 | 16 | 51.11 | ||
| 8 | 21 | NS | ||
| 8 | 21 | DQ |