| Event | Heat | Lane | Name | DQ reason |
| 1 | 2 | 6 | BCC | Toes on Backstroke Start |
| 1 | 3 | 4 | WJ | Toes on Backstroke Start |
| 2 | 2 | 5 | RM | Toes on Backstroke Start |
| 2 | 3 | 2 | CH | Toes on Backstroke Start |
| 5 | 1 | 4 | Hirschfeld, Jordy | Back to Breast - shoulders past vertical towards breast |
| 5 | 3 | 8 | Martinez, Edwin | Back to Breast - shoulders past vertical towards breast |
| 5 | 4 | 6 | Lee, William | Back to Breast - shoulders past vertical towards breast |
| 5 | 5 | 3 | Lee, Andrew | Back to Breast - shoulders past vertical towards breast |
| 5 | 5 | 7 | Diehl, Ryan | Back to Breast - shoulders past vertical towards breast |
| 5 | 6 | 4 | Kapit, Jason | Back to Breast - shoulders past vertical towards breast |
| 6 | 6 | 3 | Martin, Marissa | Back to Breast - shoulders past vertical towards breast |
| 19 | 1 | 7 | Shaw, Jesse | Non-continuous turn |
| 19 | 2 | 1 | Gould, Ben | Non-continuous turn |
| 19 | 2 | 8 | Torrey, Jon | Non-continuous turn |
| 19 | 3 | 3 | Brookman, Adam | Toes on Backstroke Start |
| 19 | 6 | 6 | Sanderson, Cory | Toes on Backstroke Start |
| 20 | 1 | 5 | Goss, Diana | Non-continuous turn |
| 20 | 2 | 1 | MacFarland, Heather | Non-continuous turn |
| 20 | 2 | 6 | Africano, Christina | Toes on Backstroke Start |
| 20 | 4 | 3 | Lung, Isabella | Non-continuous turn |
| 20 | 5 | 2 | Hoppock, Julia | Non-continuous turn |