First introduced to the WeatherTech GTP class, GTD Pro and GTD will sport similar hardware at the Rolex 24 making it easier to mandate and adjust performance.

GTP and GT classes will see an additional variable added into the equation meant to even out the performance playing field.

It’s a great time to be a professional sports car driver.

NBC Sports will present more than 160 hours of IMSA coverage in 2025, headlined by the IMSA WeatherTech SportsCar ...

While Field’s last start in IMSA-sanctioned competition came in 2011 with his own team, the Ohio native made a racing comeback in Radical Cup North America and also took part in last year’s HSR ...

All WeatherTech SportsCar Championship GTD PRO and GTD cars are competing with torque sensors attached to their rear axles ...

NBC Network Schedule Features 63rd Rolex 24 At Daytona on Jan. 25-26, Monterey Race on May 11, Six Hours of The Glen on June ...

When the alarm goes off on race day morning, the longest day of the season begins. Michelin engineers arrive at the track around 8:00 a.m. After a team meeting and pre-race ceremonies, the race ...

An unofficial one, of course. Really, the IMSA WeatherTech Sportscar Championship 2025 schedule kicks off Saturday and Sunday with the 24 Hours of Daytona race at Daytona International Speedway.

Qualifying for the IMSA WeatherTech SportsCar Championship season opener will now occur on Thursday, Jan. 23. The endurance race itself goes green at 1:40 p.m. Saturday, Jan. 25, and ends 24 hours ...

A little chill, but the sunshine more than made up for it. IMSA WeatherTech Championship race cars hit the track for the first time Friday morning, kicking off a three-day testing window.

NBC Sports begins its coverage of the 2025 IMSA WeatherTech SportsCar Championship season with comprehensive live coverage of ...