| # | Time | Athlete(s) |
|---|---|---|
| 1 | 0:30.38 | |
| 2 | 0:31.31 | |
| 3 | 0:31.46 | |
| 4 | 0:31.55 | |
| 5 | 0:31.81 | |
| 6 | 0:31.94 | |
| 7 | 0:32.71 | |
| DQ |
DQ
|
| # | Time | Athlete(s) |
|---|---|---|
| 9 | 0:32.09 | |
| 10 | 0:32.22 | |
| 11 | 0:33.23 | |
| 12 | 0:33.33 | |
| 13 | 0:33.50 | |
| 14 | 0:33.62 | |
| 15 | 0:33.87 | |
| DQ |
DQ
|