| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 22 | 56.24 | ||
| 1 | 3 | 42.03 | ||
| 1 | 17 | 53.04 | ||
| 2 | 6 | 43.72 | ||
| 2 | 21 | 55.57 | ||
| 2 | 9 | 46.76 | ||
| 3 | 16 | 53.03 | ||
| 3 | 13 | 50.25 | ||
| 3 | 4 | 43.62 | ||
| 4 | 1 | 41.47 | ||
| 4 | 11 | 48.67 | ||
| 4 | 18 | 53.97 | ||
| 5 | 10 | 48.27 | ||
| 5 | 19 | 54.58 | ||
| 5 | 23 | NS | ||
| 6 | 15 | 52.81 | ||
| 6 | 7 | 45.99 | ||
| 6 | 8 | 46.22 | ||
| 7 | 23 | DQ | ||
| 7 | 12 | 49.26 | ||
| 7 | 5 | 43.70 | ||
| 8 | 14 | 50.66 | ||
| 8 | 2 | 42.01 | ||
| 8 | 20 | 55.26 |