Following four days of practice, qualifying and heat races at this year’s MG Tires Superkarts! USA SuperNationals presented By Mazda, the arrival of SuperSunday would throw the green flag on a packed day of heated competition and on-track survival. The quality of the racing was mixed, with a few thrilling battles and a couple of dominating performances that turned our attentions to deep in the field at the temporary circuit outside Sam Boyd Stadium in Las Vegas.  Full story on EKN