| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 20 | 55.83 | ||
| 1 | 22 | NS | ||
| 1 | 21 | 57.63 | ||
| 2 | 2 | 41.00 | ||
| 2 | 12 | 49.70 | ||
| 2 | 19 | 55.25 | ||
| 3 | 6 | 43.43 | ||
| 3 | 15 | 51.40 | ||
| 3 | 11 | 49.13 | ||
| 4 | 1 | 40.64 | ||
| 4 | 16 | 53.62 | ||
| 4 | 4 | 42.03 | ||
| 5 | 8 | 45.16 | ||
| 5 | 5 | 42.07 | ||
| 5 | 10 | 48.48 | ||
| 6 | 9 | 47.01 | ||
| 6 | 7 | 44.08 | ||
| 6 | 17 | 54.49 | ||
| 7 | 3 | 41.62 | ||
| 7 | 14 | 51.21 | ||
| 7 | 18 | 55.03 | ||
| 8 | 22 | DQ | ||
| 8 | 13 | 50.22 |