| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 10 | 50.76 | ||
| 1 | 21 | NS | ||
| 1 | 15 | 58.60 | ||
| 2 | 8 | 49.02 | ||
| 2 | 6 | 43.17 | ||
| 2 | 17 | 1:01.38 | ||
| 3 | 2 | 39.78 | ||
| 3 | 11 | 51.65 | ||
| 4 | 1 | 39.21 | ||
| 4 | 12 | 52.18 | ||
| 5 | 7 | 43.23 | ||
| 5 | 13 | 54.35 | ||
| 5 | 3 | 39.96 | ||
| 6 | 5 | 41.90 | ||
| 6 | 19 | 1:03.18 | ||
| 6 | 9 | 49.44 | ||
| 7 | 16 | 1:00.00 | ||
| 7 | 4 | 40.24 | ||
| 7 | 14 | 54.77 | ||
| 8 | 20 | 1:13.20 | ||
| 8 | 21 | DQ | ||
| 8 | 18 | 1:01.41 |