There are twelve races on the calendar for the 2013 Grand-Am season.
| 26.01. - 27.01.2013 | Daytona International Speedway | |
| 02.03. - 02.03.2013 | Circuit of the Americas | |
| 06.04. - 06.04.2013 | Barber Motorsports Park | |
| 20.04. - 20.04.2013 | Road Atlanta | |
| 01.06. - 01.06.2013 | Detroit Belle Isle | |
| 15.06. - 15.06.2013 | Mid-Ohio Sports Car Course | |
| 30.06. - 30.06.2013 | Watkins Glen International | |
| 26.07. - 26.07.2013 | Indianapolis Motor Speedway | |
| 10.08. - 10.08.2013 | Road America | |
| 17.08. - 17.08.2013 | Kansas Speedway | |
| 08.09. - 08.09.2013 | Mazda Raceway Laguna Seca | |
| 28.09. - 28.09.2013 | Lime Rock Park | |