That will fly at 1:40 p.m. Saturday. But Thursday remains a big day for the endurance classic. IMSA WeatherTech SportsCar Championship qualifying will help set the starting lineup Thursday.

But without the ability to run a test car using IMSA’s logging and timing systems, there was more work to be done on the ground in Florida during the Roar Before the 24. While AMG anticipated ...

Plus, thanks to its early season timing, plenty of Formula 1 drivers ... and both can compete in either WEC or IMSA. Le Mans Daytona h (LMDh): LMDh regulations mandate that a chassis must be ...

The decision by Penske Racing president Tim Cindric to step back from overseeing all of Roger Penske’s programs across IMSA, IndyCar and NASCAR came as a surprise last week, but he says the call ...

IMSA is introducing a two-stage Balance of Performance equation that aims to even the playing field between acceleration and top speed. The new BoP is modeled after the system introduced by the ...