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.

Series like IndyCar and Formula often average over a million TV viewers, where IMSA falls far shy of that. But by counting viewers” in an unconventional manner, IMSA says this year’s Rolex 24 ...

Peacock to Exclusively Stream Flag-to-Flag Coverage of Entire 12-Hour IMSA WeatherTech SportsCar Championship Race Beginning Saturday at 10 a.m. ET Scott Dixon, Alex Palou, and Nick Tandy Scheduled to ...

IMSA’s ongoing embrace of YouTube to reach international audiences and the steady filling of its social media channels with original digital content was rewarded at the Mobil 1 Twelve Hours of ...