The McLaren P1 GTR Driver Program got off to a roaring start last week, as the brand’s most powerful car was put through its paces at the Circuit de Barcelona–Catalunya in Spain. Seven McLaren P1 GTR owners participated in the elite three-day, racing-intensive driving experience, which was specifically designed to help them tame the 986 hp track-only torpedo.

Before laying rubber to the road, each driver received customized coaching—based on experience and ability—from a team of motorsport professionals fro…