| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 20 | 54.90 | ||
| 1 | 12 | 49.65 | ||
| 1 | 6 | 45.05 | ||
| 2 | 23 | 1:02.25 | ||
| 2 | 7 | 45.31 | ||
| 2 | 16 | 51.74 | ||
| 3 | 8 | 45.88 | ||
| 3 | 11 | 48.09 | ||
| 3 | 22 | 58.58 | ||
| 4 | 3 | 42.96 | ||
| 4 | 14 | 51.14 | ||
| 4 | 10 | 47.62 | ||
| 5 | 2 | 42.70 | ||
| 5 | 13 | 50.96 | ||
| 5 | 18 | 53.14 | ||
| 6 | 19 | 54.69 | ||
| 6 | 5 | 44.89 | ||
| 6 | 9 | 46.88 | ||
| 7 | 4 | 43.86 | ||
| 7 | 15 | 51.19 | ||
| 7 | 24 | DQ | ||
| 8 | 17 | 51.91 | ||
| 8 | 21 | 55.03 | ||
| 8 | 1 | 42.40 |