| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 28 | 49.14 | ||
| 1 | 21 | 45.62 | ||
| 1 | 30 | DQ | ||
| 2 | 16 | 44.32 | ||
| 2 | 18 | 44.57 | ||
| 2 | 20 | 45.56 | ||
| 3 | 11 | 42.66 | ||
| 3 | 23 | 46.14 | ||
| 3 | 10 | 42.48 | ||
| 4 | 17 | 44.44 | ||
| 4 | 12 | 42.82 | ||
| 4 | 24 | 46.33 | ||
| 5 | 2 | 38.78 | ||
| 5 | 1 | 35.78 | ||
| 5 | 19 | 45.26 | ||
| 6 | 14 | 43.23 | ||
| 6 | 5 | 42.16 | ||
| 6 | 26 | 47.13 | ||
| 7 | 27 | 47.44 | ||
| 7 | 7 | 42.32 | ||
| 7 | 6 | 42.20 | ||
| 8 | 22 | 45.66 | ||
| 8 | 13 | 43.17 | ||
| 8 | 4 | 41.25 | ||
| 9 | 15 | 43.81 | ||
| 9 | 29 | 55.24 | ||
| 9 | 8 | 42.42 | ||
| 10 | 9 | 42.44 | ||
| 10 | 3 | 39.46 | ||
| 10 | 25 | 46.55 |