NBC Sports’ motorsports play-by-play commentator Leigh Diffey – the “Voice of Speed” – will lead IMSA coverage, along with ...

The IMSA WeatherTech SportsCar Championship will return to the streets of Detroit for the second (and last) 100-minute race on a street course this season. Porsche Penske Motorsport won the Long Beach ...

NBC Sports has announced its 2026 schedule of IMSA television and streaming coverage, with more than 160 hours of racing ...

Hoping their "dream year" continues, Jonathan Diuguid and Raul Prados go back to their day jobs in the IMSA WeatherTech SportsCar Championship this weekend. Diuguid, the managing director of Porsche ...

Sections of the 1.645-mile, nine-turn course in Detroit are some of the bumpiest—maybe even THE bumpiest—on the IMSA calendar, Detroit is one of those tracks that evolves during a race week to the ...

The 2026 IMSA schedule on NBC will feature the 64th Rolex 24 at Daytona on January 24-25, the Battle on the Bricks on ...

Chris Mitchum with Action Express Racing in IMSA joined us this morning to talk about the Whelan Cadillac Racing team that will race at the Detroit Grand Prix this weekend. Tom Cruise's Space Movie ...

The first of six IMSA STEM curriculum days of 2025 premiered during the Roar Before the Rolex 24 test at Daytona ...

NTT Indy Car Series driver Callum Ilott will join Wright Motorsports as a full-time driver for the 2026 IMSA WeatherTech ...

The IMSA WeatherTech SportsCar Championship races on Belle Isle in Detroit this weekend, marking the final race weekend on the island before the event moves to downtown Detroit in 2023. There are six ...