| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 5 | 41.95 | ||
| 1 | 6 | 44.01 | ||
| 1 | 21 | DQ | ||
| 1 | 16 | 50.99 | ||
| 2 | 3 | 40.98 | ||
| 2 | 21 | NS | ||
| 2 | 9 | 46.50 | ||
| 2 | 14 | 50.60 | ||
| 3 | 12 | 49.62 | ||
| 3 | 17 | 51.33 | ||
| 3 | 1 | 38.50 | ||
| 3 | 8 | 45.52 | ||
| 4 | 13 | 50.00 | ||
| 4 | 2 | 38.90 | ||
| 4 | 11 | 48.22 | ||
| 4 | 10 | 47.99 | ||
| 5 | 4 | 41.53 | ||
| 5 | 21 | NS | ||
| 5 | 15 | 50.82 | ||
| 5 | 21 | NS | ||
| 6 | 18 | 51.91 | ||
| 6 | 20 | 59.32 | ||
| 6 | 19 | 52.14 | ||
| 6 | 7 | 45.04 |