| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 12 | 48.37 | ||
| 1 | 1 | 37.00 | ||
| 1 | 14 | 49.99 | ||
| 1 | 20 | NS | ||
| 2 | 11 | 48.23 | ||
| 2 | 17 | 51.31 | ||
| 2 | 4 | 37.88 | ||
| 2 | 6 | 38.26 | ||
| 3 | 16 | 50.87 | ||
| 3 | 3 | 37.77 | ||
| 3 | 13 | 49.26 | ||
| 3 | 20 | NS | ||
| 4 | 19 | 52.76 | ||
| 4 | 5 | 38.08 | ||
| 4 | 7 | 38.51 | ||
| 4 | 20 | NS | ||
| 5 | 20 | DQ | ||
| 5 | 2 | 37.20 | ||
| 5 | 10 | 39.77 | ||
| 5 | 18 | 51.74 | ||
| 6 | 9 | 39.57 | ||
| 6 | 12 | 48.37 | ||
| 6 | 8 | 39.25 | ||
| 6 | 15 | 50.41 |