João Barbosa Grand-Am Rolex Series results at Laguna Seca
| Year | Race # | Start | Finish | Class | Class Rank | Car # | Team | Engine | Owner | Qualifying Time | Laps | X Led | Laps Led | Points |
| 2008 | 5 | 18 | 7 | DP | 7 | 59 | Brumos Porsche/Kendall | Porsche Riley | Brumos | 1:22.587 | 98 | 0 | 0 | 24 |
| 2009 | 4 | 14 | 25 | DP | 13 | 59 | Brumos Porsche/Kendall | Porsche Riley | Brumos | 1:23.138 | 96 | 0 | 0 | 18 |
| 2011 | 8 | 11 | 8 | DP | 8 | 9 | Action Express Racing | Porsche Riley | Action Express | 1:24.451 | 106 | 0 | 0 | 23 |
| 2012 | 12 | 8 | 5 | DP | 5 | 9 | Action Express Racing | Chevrolet Corvette DP | Action Express | 1:22.743 | 111 | 1 | 1 | 26 |
| 2013 | 11 | 5 | 7 | DP | 7 | 5 | Action Express Racing | Chevrolet Corvette DP | Action Express | 1:21.900 | 105 | 1 | 4 | 24 |
