27–28 Apr | Pittsburgh International Race Complex, United States | ||
25–28 Jul | Pittsburgh International Race Complex, United States NCNon-championship round. No points are awarded. Pittsburgh Vintage Grand Prix | ||
3–4 Aug | Schenley Park Street Circuit, United States NCNon-championship round. No points are awarded. Pittsburgh Vintage Grand Prix | ||
24–25 Aug | Pittsburgh International Race Complex, United States End of Summer Spectacular Double Divisional |