A total of 12 GTP cars are listed on pre-event documents, including the No. 23 Aston Martin, which was recently spotted testing at Michelin Raceway Road Atlanta as part of its initial North America ...

IMSA’s official test at Daytona International Speedway later this month is set to be a significant one for multiple reasons.

By the end of the century sports-car racing was splintered and fragmented, but 10 years ago the IMSA name was reborn and a unification of sports-car interests put IMSA on a path to its solid and ...

Hypothetically, if IMSA’s 18 original equipment manufacturers (OEMs) were laid out on a wheel and you spun the wheel, you’d ...

Sports-car racing at the highest level is a different ballgame, and Saturday, like season finales before, brought the ultimate example. One race: 12 potential winners. IMSA's top series features ...