| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 29 | DQ | ||
| 1 | 12 | 53.24 | ||
| 1 | 10 | 50.88 | ||
| 2 | 23 | 57.66 | ||
| 2 | 6 | 44.99 | ||
| 2 | 17 | 54.58 | ||
| 3 | 9 | 47.60 | ||
| 3 | 14 | 53.56 | ||
| 3 | 26 | 58.14 | ||
| 4 | 4 | 44.60 | ||
| 4 | 15 | 53.60 | ||
| 4 | 25 | 57.83 | ||
| 5 | 11 | 52.65 | ||
| 5 | 18 | 54.77 | ||
| 5 | 7 | 45.18 | ||
| 6 | 13 | 53.28 | ||
| 6 | 29 | NS | ||
| 6 | 5 | 44.83 | ||
| 7 | 19 | 56.31 | ||
| 7 | 24 | 57.81 | ||
| 7 | 2 | 43.70 | ||
| 8 | 3 | 43.98 | ||
| 8 | 27 | 58.74 | ||
| 8 | 16 | 54.06 | ||
| 9 | 8 | 45.28 | ||
| 9 | 22 | 57.55 | ||
| 9 | 21 | 57.05 | ||
| 10 | 20 | 57.00 | ||
| 10 | 1 | 42.02 | ||
| 10 | 28 | 59.93 |