| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 17 | 54.66 | ||
| 1 | 19 | 55.47 | ||
| 1 | 16 | 53.09 | ||
| 2 | 2 | 40.37 | ||
| 2 | 9 | 48.38 | ||
| 2 | 8 | 45.04 | ||
| 3 | 6 | 43.32 | ||
| 3 | 13 | 51.66 | ||
| 3 | 1 | 36.32 | ||
| 4 | 21 | DQ | ||
| 4 | 4 | 42.56 | ||
| 4 | 11 | 48.87 | ||
| 5 | 7 | 43.43 | ||
| 5 | 3 | 42.42 | ||
| 5 | 12 | 50.65 | ||
| 6 | 5 | 42.88 | ||
| 6 | 10 | 48.76 | ||
| 6 | 14 | 51.96 | ||
| 7 | 18 | 54.70 | ||
| 7 | 15 | 52.01 | ||
| 8 | 21 | NS | ||
| 8 | 20 | 59.80 |