In its heyday, IMSA’s GTP class gave IndyCar a run for its money as America’s chosen motorsport. Thirty years later, it’s giving Indy another scare.
Rolex 24 marks the rebirth of sports car racing in the U.S.
In its heyday, IMSA’s GTP class gave IndyCar a run for its money as America’s chosen motorsport. Thirty years later, it’s giving Indy another scare.