| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 10 | 45.25 | ||
| 1 | 17 | 54.59 | ||
| 1 | 11 | 47.26 | ||
| 2 | 13 | 48.99 | ||
| 2 | 19 | NS | ||
| 2 | 19 | DQ | ||
| 3 | 19 | NS | ||
| 3 | 8 | 43.94 | ||
| 3 | 9 | 43.95 | ||
| 4 | 2 | 40.05 | ||
| 4 | 6 | 42.90 | ||
| 4 | 1 | 36.28 | ||
| 5 | 3 | 40.26 | ||
| 5 | 5 | 42.31 | ||
| 5 | 19 | NS | ||
| 6 | 14 | 50.51 | ||
| 6 | 4 | 41.99 | ||
| 6 | 19 | NS | ||
| 7 | 7 | 43.42 | ||
| 7 | 9 | 43.95 | ||
| 7 | 15 | 51.77 | ||
| 8 | 18 | 58.36 | ||
| 8 | 16 | 53.22 | ||
| 8 | 12 | 47.83 |