| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 17 | 50.01 | ||
| 1 | 10 | 45.66 | ||
| 2 | 8 | 44.47 | ||
| 2 | 7 | 44.04 | ||
| 2 | 13 | 47.09 | ||
| 3 | 1 | 39.77 | ||
| 3 | 11 | 46.16 | ||
| 3 | 20 | NS | ||
| 4 | 2 | 39.90 | ||
| 4 | 14 | 48.01 | ||
| 4 | 6 | 43.51 | ||
| 5 | 20 | DQ | ||
| 5 | 15 | 49.15 | ||
| 5 | 4 | 41.69 | ||
| 6 | 20 | NS | ||
| 6 | 3 | 40.24 | ||
| 6 | 16 | 49.35 | ||
| 7 | 18 | 57.85 | ||
| 7 | 12 | 46.49 | ||
| 7 | 5 | 43.24 | ||
| 8 | 19 | 58.86 | ||
| 9 | 9 | 44.53 |