| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 13 | 52.28 | ||
| 1 | 8 | 50.23 | ||
| 1 | 22 | DQ | ||
| 2 | 5 | 49.75 | ||
| 2 | 9 | 50.27 | ||
| 2 | 21 | 59.34 | ||
| 3 | 14 | 54.09 | ||
| 3 | 12 | 50.90 | ||
| 3 | 22 | DQ | ||
| 4 | 3 | 44.88 | ||
| 4 | 18 | 56.75 | ||
| 4 | 1 | 41.57 | ||
| 5 | 17 | 56.35 | ||
| 5 | 2 | 43.50 | ||
| 5 | 4 | 46.43 | ||
| 6 | 7 | 50.13 | ||
| 6 | 15 | 54.50 | ||
| 6 | 16 | 55.19 | ||
| 7 | 11 | 50.46 | ||
| 7 | 10 | 50.36 | ||
| 7 | 20 | 59.28 | ||
| 8 | 6 | 49.76 | ||
| 8 | 19 | 56.78 |