| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 17 | 55.87 | ||
| 1 | 15 | 54.83 | ||
| 1 | 4 | 42.93 | ||
| 1 | 11 | 50.01 | ||
| 2 | 6 | 44.78 | ||
| 2 | 21 | DQ | ||
| 2 | 16 | 55.17 | ||
| 2 | 3 | 41.41 | ||
| 3 | 21 | NS | ||
| 3 | 21 | NS | ||
| 3 | 12 | 50.30 | ||
| 3 | 1 | 40.74 | ||
| 4 | 14 | 52.89 | ||
| 4 | 13 | 50.98 | ||
| 4 | 2 | 41.26 | ||
| 4 | 5 | 43.06 | ||
| 5 | 20 | 57.63 | ||
| 5 | 10 | 49.06 | ||
| 5 | 8 | 45.77 | ||
| 5 | 18 | 56.87 | ||
| 6 | 19 | 57.15 | ||
| 6 | 9 | 48.62 | ||
| 6 | 21 | DQ | ||
| 6 | 7 | 45.19 |