| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 16 | 58.75 | ||
| 1 | 6 | 47.97 | ||
| 2 | 12 | 51.93 | ||
| 2 | 20 | DQ | ||
| 2 | 5 | 47.90 | ||
| 3 | 15 | 58.42 | ||
| 3 | 18 | 1:05.90 | ||
| 3 | 4 | 47.56 | ||
| 4 | 7 | 49.74 | ||
| 4 | 11 | 51.55 | ||
| 4 | 1 | 40.80 | ||
| 5 | 2 | 44.36 | ||
| 5 | 10 | 50.99 | ||
| 5 | 9 | 50.78 | ||
| 6 | 14 | 56.17 | ||
| 6 | 20 | NS | ||
| 6 | 3 | 44.95 | ||
| 7 | 8 | 50.55 | ||
| 7 | 13 | 53.46 | ||
| 7 | 17 | 1:01.59 | ||
| 8 | 19 | 1:06.25 | ||
| 8 | 20 | NS |