| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 21 | DQ | ||
| 1 | 10 | 48.80 | ||
| 1 | 19 | 1:07.42 | ||
| 2 | 4 | 42.71 | ||
| 2 | 16 | 1:00.82 | ||
| 2 | 15 | 56.65 | ||
| 3 | 21 | DQ | ||
| 3 | 11 | 49.05 | ||
| 3 | 6 | 44.41 | ||
| 4 | 2 | 42.07 | ||
| 4 | 9 | 47.71 | ||
| 4 | 1 | 41.92 | ||
| 5 | 3 | 42.58 | ||
| 5 | 12 | 49.48 | ||
| 5 | 5 | 43.33 | ||
| 6 | 17 | 1:01.02 | ||
| 6 | 7 | 45.23 | ||
| 6 | 14 | 55.31 | ||
| 7 | 18 | 1:03.85 | ||
| 7 | 21 | NS | ||
| 7 | 8 | 47.05 | ||
| 8 | 20 | 1:08.29 | ||
| 8 | 13 | 53.67 | ||
| 8 | 21 | NS |