IMSA returns to Belle Isle Park in Detroit for the 100-minute Chevrolet Sports Car Classic. With the DPi class battling for the overall lead, the GTD class is fighting for the new-for-2019 WeatherTech Sprint Cup. Tune in to NBCSN or the NBC Sports App at 12:30 p.m. ET on Saturday, June 1 for flag-to-flag coverage.
