| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 21 | 47.57 | ||
| 1 | 10 | 41.79 | ||
| 1 | 12 | 42.25 | ||
| 1 | 30 | 55.05 | ||
| 2 | 31 | 55.90 | ||
| 2 | 20 | 47.52 | ||
| 2 | 5 | 37.93 | ||
| 2 | 13 | 42.55 | ||
| 3 | 14 | 42.68 | ||
| 3 | 6 | 38.03 | ||
| 3 | 18 | 47.17 | ||
| 3 | 33 | DQ | ||
| 4 | 23 | 48.31 | ||
| 4 | 24 | 48.52 | ||
| 4 | 26 | 50.22 | ||
| 4 | 1 | 36.03 | ||
| 4 | 17 | 45.51 | ||
| 4 | 2 | 36.17 | ||
| 5 | 9 | 41.56 | ||
| 5 | 3 | 36.76 | ||
| 5 | 25 | 49.86 | ||
| 5 | 16 | 45.43 | ||
| 6 | 12 | 42.25 | ||
| 6 | 19 | 47.39 | ||
| 6 | 29 | 54.20 | ||
| 6 | 7 | 39.00 | ||
| 7 | 28 | 53.60 | ||
| 7 | 4 | 37.60 | ||
| 7 | 11 | 41.93 | ||
| 7 | 22 | 47.72 | ||
| 8 | 27 | 50.47 | ||
| 8 | 15 | 44.25 | ||
| 8 | 8 | 41.55 | ||
| 8 | 32 | 56.66 |