Pre-Race Notes: XPEL Grand Prix at Road America This weekend the NTT INDYCAR® SERIES and INDY NXT by Firestone compete on the 4.014-mile, 14-turn natural terrain road course at Road America. The track near Elkhart Lake, Wisconsin, is historically the fastest road race on the schedule with an elevation gain of nearly 211 feet per lap. NTT INDYCAR SERIES
