| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 20 | 56.01 | ||
| 1 | 11 | 45.68 | ||
| 2 | 21 | NS | ||
| 2 | 9 | 44.99 | ||
| 2 | 18 | 53.76 | ||
| 3 | 3 | 38.30 | ||
| 3 | 14 | 49.22 | ||
| 3 | 7 | 43.09 | ||
| 4 | 6 | 42.71 | ||
| 4 | 4 | 41.02 | ||
| 4 | 2 | 34.77 | ||
| 5 | 5 | 41.32 | ||
| 5 | 1 | 34.74 | ||
| 5 | 10 | 45.54 | ||
| 6 | 16 | 52.70 | ||
| 6 | 8 | 44.18 | ||
| 6 | 12 | 46.08 | ||
| 7 | 15 | 50.53 | ||
| 7 | 13 | 46.12 | ||
| 7 | 17 | 53.26 | ||
| 8 | 21 | DQ | ||
| 8 | 19 | 53.92 |