Joe Nonnamaker Grand-Am Rolex Series results at Mid-Ohio
| Year | Race # | Start | Finish | Class | Class Rank | Car # | Team | Engine | Owner | Qualifying Time | Laps | X Led | Laps Led | Points |
| 2003 | 7 | 20 | 21 | GT | 13 | 40 | Planet Earth Motorsports | Porsche 911 | Phoenix Promotions | no time | 64 | 0 | 0 | 18 |
| 2004 | 7 | 36 | 20 | SGS | 1 | 41 | GoJo/NRAuto.com | Porsche GT3 Cup | Phoenix Promotions | 1:31.498 | 91 | 0 | 0 | 35 |
| 2004 | 7 | 29 | 25 | SGS | 6 | 42 | GoJo/NRAuto.com | Porsche GT3 Cup | Phoenix Promotions | 1:32.919 | 90 | 0 | 0 | 25 |
| 2007 | 11 | 13 | 7 | GT | 7 | 43 | HRPworld.com | Chevrolet Corvette | Sahlen | 1:27.055 | 94 | 0 | 0 | 24 |
| 2008 | 8 | 34 | 17 | GT | 6 | 43 | Theracesite.com | Chevrolet Corvette | Sahlen | 1:26.988 | 75 | 0 | 0 | 25 |
| 2009 | 6 | 31 | 22 | GT | 10 | 43 | Team Sahlen | Chevrolet Corvette | Sahlen | 1:32.680 | 105 | 0 | 0 | 21 |
| 2010 | 7 | 26 | 22 | GT | 11 | 43 | Theracesite.com | Mazda RX-8 | Sahlen | 1:26.325 | 100 | 0 | 0 | 20 |
| 2011 | 12 | 26 | 20 | GT | 10 | 43 | Theracesite.com | Mazda RX-8 | Sahlen | 1:28.385 | 94 | 0 | 0 | 21 |
| 2012 | 6 | 22 | 20 | GT | 12 | 43 | Theracesite.com | Mazda RX-8 | Sahlen | 1:28.097 | 105 | 0 | 0 | 19 |
| 2013 | 6 | 12 | 22 | DP | 12 | 43 | Sahlen's | BMW Riley | Sahlen | 1:21.839 | 101 | 0 | 0 | 19 |
