Schedule
| Rnd | Race | Circuit | Date |
|---|---|---|---|
| 1 | Mobil 1 12 Hours of Sebring | Sebring International Raceway | March 18 |
| 2 | Lone Star Grand Prix | Reliant Park | May 12 |
| 3 | American Le Mans at Mid-Ohio | Mid-Ohio | May 21 |
| 4 | New England Grand Prix | Lime Rock Park | July 1 |
| 5 | Utah Grand Prix | Miller Motorsports Park | July 15 |
| 6 | Portland Grand Prix | Portland International Raceway | July 22 |
| 7 | Generac 500 at Road America | Road America | August 20 |
| 8 | Grand Prix of Mosport | Mosport | September 3 |
| 9 | Petit Le Mans powered by Mazda CX-7 | Road Atlanta | September 30 |
| 10 | Monterey Sports Car Championships | Mazda Raceway Laguna Seca | October 21 |
All races are 2 Hours and 45 Minutes except for Sebring (12 Hours), Petit Le Mans (10 Hours or 1000 Miles), and Laguna Seca (4 Hours).
Read more about this topic: 2006 American Le Mans Series Season