The 2026 Trackhouse Motorplex Karting Challenge club series is America’s Premier Club Karting Series. It’s our in-house points championship for customers who have their own karts. Featuring full grids of the most popular and competitive karting classes. The Karting Challenge provides karting enthusiasts with the region’s most affordable and exciting race program. Competitors must reserve and run the same kart number for $50 per class for the entire 2026 Karting Challenge season.