| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 20 | DQ | ||
| 1 | 12 | 52.13 | ||
| 2 | 16 | 55.13 | ||
| 2 | 6 | 43.42 | ||
| 2 | 19 | 1:02.20 | ||
| 3 | 8 | 45.32 | ||
| 3 | 3 | 39.62 | ||
| 3 | 9 | 46.33 | ||
| 4 | 1 | 36.13 | ||
| 4 | 17 | 55.30 | ||
| 4 | 5 | 42.66 | ||
| 5 | 11 | 50.70 | ||
| 5 | 10 | 48.66 | ||
| 5 | 7 | 43.82 | ||
| 6 | 13 | 54.10 | ||
| 6 | 15 | 54.99 | ||
| 6 | 2 | 37.98 | ||
| 7 | 4 | 40.73 | ||
| 7 | 18 | 1:01.80 | ||
| 7 | 14 | 54.56 | ||
| 8 | 20 | NS | ||
| 8 | 20 | DQ |