IMSA officials have already docked the Valkyrie by nearly 15 horsepower in the new Balance of Performance released after ...

The IMSA formula has built on the heritage of classic events like Sebring’s Mobil 1 Twelve Hours by attracting a vibrant ...

Ahead of today’s Mobil 1 Twelve Hours of Sebring, which streams live at 10 a.m. ET on Peacock in the U.S. and IMSA’s official ...