| Year | Grand Prix | No. | Team | Maufacturer | Grid | Position | Pts Points |
|---|---|---|---|---|---|---|---|
| 2005 | United States Grand Prix | 5 | Yamaha Factory Racing | Yamaha | 5 | 2 | 20 |
| 2006 | United States Grand Prix | 5 | Camel Yamaha Team | Yamaha | 2 | 9 | 7 |
| 2007 | United States Grand Prix | 5 | Fiat Yamaha Team | Yamaha | 8 | 11 | 5 |
| 2008 | United States Grand Prix | 5 | Tech 3 Yamaha | Yamaha | 7 | 14 | 2 |
| 2009 | United States Grand Prix | 5 | Monster Yamaha Tech 3 | Yamaha | 7 | 7 | 9 |
| 2010 | United States Grand Prix | 5 | Monster Yamaha Tech 3 | Yamaha | 8 | 7 | 9 |
| 2011 | United States Grand Prix | 5 | Monster Yamaha Tech 3 | Yamaha | 11 | 8 | 8 |
| 2012 | United States Grand Prix | 5 | NGM Mobile Forward Racing | Suter | 13 | 13 | 3 |
| 2013 | United States Grand Prix | 5 | NGM Mobile Forward Racing | FTR Kawasaki | 15 | 12 | 4 |
| Avg. | 8.4 | 9.2 | 7.4 |
