The six-hour race produced one of the wildest IMSA races in recent memory, punctuated by a clash between podium contenders Kevin Estre and Jack Aitken. CLICK HERE for unofficial IMSA Road America resultsCLICK HERE for unofficial IMSA Road America results by classEstre’s Penske Motorsport Porsche also came off second-hand as it went off and into the wall. “And I just think that the driving by some of the others around us was over the line. “So, a DNF for us in the last 10 minutes of the race,” Estre said on social media. “Thank you to IMSA and Road America’s safety and medical teams for their quick response and care.