| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 18 | 48.98 | ||
| 1 | 9 | 38.78 | ||
| 1 | 24 | DQ | ||
| 2 | 1 | 31.93 | ||
| 2 | 21 | 50.74 | ||
| 3 | 7 | 37.16 | ||
| 3 | 23 | 52.86 | ||
| 4 | 15 | 46.79 | ||
| 4 | 12 | 42.12 | ||
| 4 | 4 | 34.01 | ||
| 5 | 13 | 46.01 | ||
| 5 | 17 | 47.79 | ||
| 5 | 3 | 32.80 | ||
| 6 | 11 | 41.72 | ||
| 6 | 22 | 52.10 | ||
| 6 | 2 | 32.53 | ||
| 7 | 5 | 35.02 | ||
| 7 | 19 | 49.03 | ||
| 7 | 20 | 50.35 | ||
| 8 | 6 | 36.48 | ||
| 8 | 14 | 46.26 | ||
| 8 | 16 | 47.41 | ||
| 9 | 8 | 38.60 | ||
| 10 | 10 | 39.46 |