| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 6 | 34.56 | ||
| 1 | 17 | 51.80 | ||
| 2 | 16 | 51.58 | ||
| 2 | 14 | 50.35 | ||
| 2 | 5 | 33.88 | ||
| 3 | 18 | 52.81 | ||
| 3 | 20 | 54.47 | ||
| 3 | 3 | 32.78 | ||
| 4 | 21 | DQ | ||
| 4 | 1 | 30.40 | ||
| 4 | 9 | 44.78 | ||
| 5 | 2 | 32.42 | ||
| 5 | 12 | 47.83 | ||
| 5 | 21 | NS | ||
| 6 | 4 | 32.95 | ||
| 6 | 11 | 47.78 | ||
| 6 | 15 | 50.75 | ||
| 7 | 19 | 54.25 | ||
| 7 | 13 | 47.92 | ||
| 7 | 8 | 35.90 | ||
| 8 | 10 | 47.77 | ||
| 8 | 7 | 35.05 |