Sixty-one teams across four classes will race in the Rolex 24 at Daytona International Speedway this weekend. See the full ...

The first 60 minutes and last two hours will air on NBC. USA, IMSA.TV and YouTube will share the middle portions. After that, IMSA, NASCAR’s sports-car cousin, will hibernate for six weeks.

IMSA season launches today at the Daytona International Speedway with the annual Roar Before the 24 test, but almost every ...

IMSA stripped Tower Motorsports of its LMP2 class victory at the Rolex 24 at Daytona because of a technical infraction.

Joining forces with Forte Racing for the event, the NASCAR veteran is excited to become an IMSA rookie. “Well, it's been a dream, a bucket list item ... to have some on-track representatives ...

IMSA Classic Saturday morning at the 63rd Rolex 24 At Daytona truly offered race fans and competitors alike a period-correct ...

There will be cars on the track at Daytona International Speedway ... This weekend also features two IMSA VP Racing Challenge Series races. The 45-minute sprints will begin at 2 p.m. Saturday ...

Courtesy of IMSA The International Motor Sports Association ... a commitment to hybrid technology, great racing on track and continued growth in attendance and broadcast coverage.

But cars will hit the track before then ... Qualifying for the IMSA WeatherTech SportsCar Championship season opener will now occur on Thursday, Jan. 23. The endurance race itself goes green ...