| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 21 | 48.96 | ||
| 2 | 8 | 42.18 | ||
| 3 | 12 | 44.07 | ||
| 3 | 31 | DQ | ||
| 3 | 18 | 46.89 | ||
| 3 | 15 | 45.40 | ||
| 4 | 4 | 39.55 | ||
| 4 | 30 | 1:17.43 | ||
| 4 | 19 | 47.06 | ||
| 4 | 31 | DQ | ||
| 4 | 14 | 44.87 | ||
| 4 | 13 | 44.39 | ||
| 4 | 3 | 39.30 | ||
| 5 | 29 | 1:16.76 | ||
| 5 | 23 | 50.20 | ||
| 5 | 20 | 47.20 | ||
| 5 | 27 | 1:01.65 | ||
| 5 | 1 | 34.42 | ||
| 5 | 5 | 39.69 | ||
| 5 | 10 | 43.36 | ||
| 6 | 6 | 39.81 | ||
| 6 | 25 | 53.07 | ||
| 6 | 22 | 49.85 | ||
| 6 | 2 | 34.60 | ||
| 6 | 28 | 1:05.08 | ||
| 6 | 17 | 46.00 | ||
| 7 | 26 | 1:01.26 | ||
| 7 | 24 | 51.51 | ||
| 7 | 7 | 41.57 | ||
| 7 | 9 | 43.01 | ||
| 8 | 11 | 43.69 | ||
| 8 | 16 | 45.82 |