With the expected increase in involvement of IMSA’s works teams in the 24 Hours of Le Mans, Detroit’s disappearance from the WeatherTech Championship schedule is no surprise, given the close proximity between the race dates.
However, IMSA’s Michelin Pilot Challenge will be on the support-race schedule for the NTT IndyCar Series’ Motown date, as it switches from Belle Isle to a new downtown course.
