The win at Martinsville propelled Johnson to the Championship 4 at Homestead - Miami Speedway , where he won the organization 's 12th Sprint Cup Series championship .
The five wins came at five different tracks -- Atlanta , Fontana , Charlotte , Martinsville and Homestead .
The win at Martinsville propelled Johnson to the Championship 4 at Homestead       , where he won the organization 's 12th Sprint Cup Series championship .
The five wins came at five different tracks -- Atlanta , Fontana , Charlotte , Martinsville and Homestead .