Thomas Merrill (Grand Sport, GS) and Karl Wittmer (Touring Car, TCR) will start from the front of their respective classes for the IMSA Michelin Pilot Challenge headliner race, the O’Reilly Auto Parts 4 Hours of Mid-Ohio at the Mid-Ohio Sports Car Course.Merrill used a late-session flyer in his No. 14...

While many of the IMSA WeatherTech SportsCar Championship's top drivers and teams are either on the way to Le Mans – or already setting up shop – there's several hungry competitors in various IMSA championships that will have the spotlight in this year's visit to Mid-Ohio Sports Car Course.