| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 20 | 57.69 | ||
| 1 | 14 | 51.00 | ||
| 1 | 10 | 50.08 | ||
| 2 | 8 | 47.66 | ||
| 2 | 22 | NS | ||
| 2 | 21 | 57.99 | ||
| 3 | 3 | 43.86 | ||
| 3 | 12 | 50.62 | ||
| 3 | 4 | 45.00 | ||
| 4 | 2 | 40.13 | ||
| 4 | 18 | 54.08 | ||
| 4 | 7 | 47.22 | ||
| 5 | 9 | 48.27 | ||
| 5 | 1 | 39.81 | ||
| 5 | 15 | 52.00 | ||
| 6 | 6 | 47.21 | ||
| 6 | 5 | 45.93 | ||
| 6 | 22 | DQ | ||
| 7 | 11 | 50.11 | ||
| 7 | 16 | 53.01 | ||
| 7 | 19 | 55.14 | ||
| 8 | 13 | 50.86 | ||
| 8 | 22 | DQ | ||
| 8 | 17 | 53.93 |