| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 17 | 55.37 | ||
| 1 | 8 | 44.21 | ||
| 1 | 5 | 40.93 | ||
| 1 | 21 | NS | ||
| 2 | 12 | 48.94 | ||
| 2 | 4 | 40.54 | ||
| 2 | 7 | 43.78 | ||
| 2 | 13 | 49.95 | ||
| 3 | 6 | 43.35 | ||
| 3 | 16 | 51.91 | ||
| 3 | 1 | 36.38 | ||
| 3 | 21 | NS | ||
| 4 | 3 | 39.29 | ||
| 4 | 14 | 51.13 | ||
| 4 | 21 | DQ | ||
| 4 | 9 | 44.36 | ||
| 5 | 2 | 39.01 | ||
| 5 | 15 | 51.29 | ||
| 5 | 11 | 45.90 | ||
| 5 | 19 | 55.93 | ||
| 6 | 18 | 55.54 | ||
| 6 | 21 | DQ | ||
| 6 | 20 | 56.61 | ||
| 6 | 10 | 45.36 |