| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 22 | DQ | ||
| 1 | 19 | 55.63 | ||
| 1 | 15 | 51.52 | ||
| 2 | 5 | 42.75 | ||
| 2 | 20 | 56.16 | ||
| 2 | 17 | 52.29 | ||
| 3 | 6 | 44.70 | ||
| 3 | 18 | 53.62 | ||
| 3 | 1 | 41.77 | ||
| 4 | 12 | 48.80 | ||
| 4 | 10 | 47.18 | ||
| 4 | 3 | 42.05 | ||
| 5 | 4 | 42.59 | ||
| 5 | 7 | 45.15 | ||
| 5 | 9 | 46.71 | ||
| 6 | 22 | DQ | ||
| 6 | 16 | 51.70 | ||
| 6 | 2 | 42.04 | ||
| 7 | 14 | 50.86 | ||
| 7 | 8 | 46.35 | ||
| 7 | 11 | 47.27 | ||
| 8 | 22 | DQ | ||
| 8 | 21 | 57.03 | ||
| 8 | 13 | 49.10 |