| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 12 | 45.67 | ||
| 1 | 17 | 52.03 | ||
| 2 | 16 | 51.80 | ||
| 2 | 14 | 46.49 | ||
| 2 | 6 | 40.63 | ||
| 3 | 3 | 37.76 | ||
| 3 | 1 | 37.61 | ||
| 3 | 20 | DQ | ||
| 4 | 4 | 39.06 | ||
| 4 | 5 | 39.60 | ||
| 4 | 11 | 42.96 | ||
| 5 | 20 | DQ | ||
| 5 | 7 | 40.96 | ||
| 5 | 15 | 49.45 | ||
| 6 | 18 | 55.27 | ||
| 6 | 2 | 37.65 | ||
| 6 | 8 | 42.05 | ||
| 7 | 19 | 1:07.33 | ||
| 7 | 10 | 42.52 | ||
| 7 | 13 | 46.08 | ||
| 8 | 20 | NS | ||
| 8 | 9 | 42.08 |