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 Williams, Sean | |||||||
| No. | Rank | Points | Date | City | Class | Season | |
| 1 | 43 | 0 | 28.05.2006 | | Aliso Viejo | Open Modified | 2006 |
| 2 | 21 | 0 | 24.05.2009 | | Roseville | Invitational | 2009 |
| 3 | 14 | 0 | 29.05.2011 | | Union City | Open Modified | 2011 |
| 4 | 8 | 0 | 27.05.2012 | | Union City | Open Modified | 2012 |
| 5 | 18 | 0 | 26.05.2013 | | Union City | Modified Touring | 2013 |
