NBC uploaded its 2025 IMSA WeatherTech SportsCar Championship preview special — airing initially Saturday afternoon on the network — to the NBC Motorsports YouTube channel
The 42-minute special helps introduce newer audiences to the series and previews the upcoming season, including the 63rd annual Rolex 24 at Daytona. It is hosted by NBC Sports commentator Leigh Diffey and features interviews with several notable IMSA drivers and team directors, as well as an epilogue narrated by Sam Posey.