| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 32 | DQ | ||
| 1 | 21 | 48.79 | ||
| 1 | 22 | 49.20 | ||
| 2 | 9 | 41.42 | ||
| 2 | 13 | 44.88 | ||
| 2 | 17 | 47.79 | ||
| 2 | 29 | 58.40 | ||
| 2 | 12 | 44.20 | ||
| 3 | 3 | 38.12 | ||
| 3 | 15 | 46.57 | ||
| 3 | 6 | 39.26 | ||
| 3 | 31 | 1:18.17 | ||
| 3 | 10 | 41.82 | ||
| 3 | 32 | DQ | ||
| 4 | 27 | 52.75 | ||
| 4 | 14 | 45.01 | ||
| 4 | 32 | NS | ||
| 4 | 4 | 38.39 | ||
| 4 | 32 | DQ | ||
| 4 | 2 | 37.66 | ||
| 5 | 11 | 42.97 | ||
| 5 | 30 | 1:07.71 | ||
| 5 | 19 | 47.84 | ||
| 5 | 1 | 36.56 | ||
| 5 | 5 | 38.53 | ||
| 5 | 23 | 49.62 | ||
| 6 | 16 | 47.52 | ||
| 6 | 28 | 54.90 | ||
| 6 | 25 | 50.60 | ||
| 6 | 18 | 47.80 | ||
| 6 | 7 | 39.51 | ||
| 7 | 32 | DQ | ||
| 7 | 20 | 48.12 | ||
| 7 | 8 | 40.27 | ||
| 7 | 26 | 52.11 | ||
| 8 | 24 | 50.55 |