| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 5 | 49.50 | ||
| 1 | 18 | 1:07.53 | ||
| 1 | 11 | 56.57 | ||
| 2 | 17 | 1:06.16 | ||
| 2 | 20 | DQ | ||
| 2 | 4 | 48.08 | ||
| 3 | 9 | 52.17 | ||
| 3 | 16 | 1:05.08 | ||
| 3 | 20 | DQ | ||
| 3 | 2 | 43.86 | ||
| 4 | 7 | 50.63 | ||
| 4 | 6 | 50.12 | ||
| 4 | 14 | 59.03 | ||
| 4 | 20 | DQ | ||
| 5 | 8 | 51.92 | ||
| 5 | 3 | 47.12 | ||
| 5 | 12 | 56.76 | ||
| 5 | 13 | 58.46 | ||
| 6 | 1 | 42.16 | ||
| 6 | 15 | 1:03.68 | ||
| 6 | 19 | 1:09.08 | ||
| 7 | 10 | 52.55 | ||
| 7 | 20 | DQ | ||
| 7 | 20 | DQ | ||
| 8 | 20 | DQ |