| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 38 | DQ | ||
| 1 | 22 | 46.54 | ||
| 1 | 33 | 55.20 | ||
| 1 | 14 | 41.14 | ||
| 1 | 35 | 56.87 | ||
| 2 | 18 | 42.69 | ||
| 2 | 7 | 37.84 | ||
| 2 | 31 | 53.35 | ||
| 2 | 38 | DQ | ||
| 2 | 20 | 44.90 | ||
| 3 | 25 | 47.50 | ||
| 3 | 9 | 39.01 | ||
| 3 | 4 | 34.83 | ||
| 3 | 17 | 42.40 | ||
| 3 | 30 | 50.70 | ||
| 4 | 28 | 49.21 | ||
| 4 | 10 | 39.18 | ||
| 4 | 11 | 39.29 | ||
| 4 | 2 | 33.64 | ||
| 4 | 1 | 30.23 | ||
| 5 | 3 | 34.30 | ||
| 5 | 21 | 45.94 | ||
| 5 | 15 | 41.33 | ||
| 5 | 8 | 38.80 | ||
| 5 | 19 | 44.17 | ||
| 6 | 26 | 48.04 | ||
| 6 | 27 | 49.20 | ||
| 6 | 24 | 46.91 | ||
| 6 | 6 | 37.34 | ||
| 6 | 12 | 40.44 | ||
| 7 | 5 | 35.93 | ||
| 7 | 13 | 41.04 | ||
| 7 | 32 | 53.45 | ||
| 7 | 16 | 42.02 | ||
| 7 | 34 | 56.23 | ||
| 8 | 36 | 1:01.42 | ||
| 8 | 23 | 46.62 | ||
| 8 | 37 | 1:04.28 | ||
| 8 | 29 | 49.25 | ||
| 8 | 38 | NS |