Zane Smith, driver of the No. 41 LaPaz Margarita Mix/ICON Vehicle Dynamics Toyota leads the Sioux Chief Short Track Challenge standings heading into this weekend’s Primera Plastics 200 at Berlin Raceway in Marne, Michigan. The short track challenge is a championship-within-a-championship inside the ARCA Racing Series presented by Menards that encompasses the nine short track races and two dirt track events on the 2018 schedule.