Oswaldo Negri, Jr. Grand-Am Rolex Series results at Barber
| Year | Race # | Start | Finish | Class | Class Rank | Car # | Team | Engine | Owner | Qualifying Time | Laps | X Led | Laps Led | Points |
| 2004 | 11 | 8 | 34 | DP | 14 | 6 | Michael Shank Racing | Lexus Doran | Shank | 1:22.665 | 74 | 0 | 0 | 17 |
| 2006 | 12 | 19 | 9 | DP | 9 | 60 | Flight Options/Net App | Lexus Riley | Shank | 1:24.791 | 97 | 0 | 0 | 22 |
| 2007 | 16 | 11 | 6 | DP | 6 | 60 | Michael Shank Racing | Lexus Riley | Shank | 1:24.129 | 99 | 0 | 0 | 25 |
| 2008 | 10 | 14 | 4 | DP | 4 | 60 | Michael Shank Racing | Ford Riley | Shank | 1:23.116 | 103 | 0 | 0 | 28 |
| 2009 | 8 | 11 | 6 | DP | 6 | 60 | Michael Shank Racing | Ford Riley | Shank | 1:22.385 | 108 | 0 | 0 | 25 |
| 2010 | 3 | 9 | 2 | DP | 2 | 60 | Crown Royal XR | Ford Riley | Shank | 1:21.618 | 108 | 0 | 0 | 32 |
| 2011 | 3 | 8 | 6 | DP | 6 | 60 | Crown Royal XR | Ford Riley | Shank | 1:23.778 | 104 | 0 | 0 | 25 |
| 2012 | 2 | 5 | 8 | DP | 8 | 60 | Liveon.com/Curb Records | Ford Riley | Shank | 1:24.041 | 100 | 0 | 0 | 23 |
