NASCAR Whelen All-American Series and Thursday Thunder Rules Ready To View The 2015 Beech Ridge Motor Speedway season is still more than five months away, but teams can begin their preparations now. 2015 rulebooks for all divisions, including the NASCAR Whelen All-American Series andThursday Thunder divisions, are now posted online via the Beech Ridge Motor Speedway website. CLICK HERE to view the 2015 rulebooks. Beech Ridge Motor Speedway is Maine's only NASCAR-sanctioned short track. In addition to the NASCAR Whelen All-American Series, which competes from May through September each season, the track hosts the 10-week Thursday Thunder series from June through August, and Car Wars on Friday nights in August.
