| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 12 | 53.79 | ||
| 1 | 9 | 51.69 | ||
| 1 | 15 | 55.53 | ||
| 2 | 21 | DQ | ||
| 2 | 6 | 43.76 | ||
| 2 | 8 | 50.29 | ||
| 3 | 7 | 49.64 | ||
| 3 | 4 | 42.01 | ||
| 3 | 18 | 1:01.53 | ||
| 4 | 2 | 38.88 | ||
| 4 | 11 | 52.78 | ||
| 4 | 10 | 52.69 | ||
| 5 | 17 | 59.45 | ||
| 5 | 14 | 53.84 | ||
| 5 | 1 | 38.67 | ||
| 6 | 20 | 1:12.61 | ||
| 6 | 13 | 53.83 | ||
| 6 | 5 | 42.34 | ||
| 7 | 16 | 58.98 | ||
| 7 | 19 | 1:03.26 | ||
| 7 | 3 | 41.70 |