Record crowd for Rolex 24 followed up with another all-time attendance mark for the Mobil 1 Twelve Hours.

Tire use, energy use, finishing position all factored in for GTP winner at each WeatherTech Championship race.

Following a successful live broadcast last month of the Historic Sportscar Racing (HSR) Classic Daytona 24 Hour Presented by Mission Foods, Greenlight Television and HSR have announced the production of a full-length highlights program, bringing audiences all the best thrills, spills and classic racing machinery from the 11th running of...

John Doonan, President of IMSA, has joined the line-up of featured speakers for the 6th Annual Race Industry Week, taking place Monday through Thursday, Dec. 1–4.

Just under a year after Historic Sportscar Racing (HSR) and North American food industry giant Mission Foods established a long-term partnership that includes Mission's sponsorship of The HSR Classic Endurance Championship presented by Mission Foods, officials from both companies announced an expansion of the agreement with the introduction of the...

Teams wishing to contest the full season, Michelin Endurance Cup, or individual events may enter to do so until Oct. 7 or until the list fills up.

The ACO and IMSA have announced a continuation of their decade-long global strategic alliance through 2032.This strategic alliance has allowed, among other things, for three IMSA WeatherTech SportsCar Championship teams to earn automatic invitations to the Le Mans 24 Hours, as well as for the Motul Petit Le Mans at...

Are we living in the platinum age of IMSA sports car racing?In this exclusive interview, RACER’s Editor-in-Chief Laurence Foster sits down with IMSA President John Doonan during the build-up to the 2024 Acura Grand Prix of Long Beach to explore that very question. A lifelong fan and passionate racer himself,...

IMSA President John Doonan reflects on the record-breaking 2024 season and previews the thrilling innovations coming in 2025 during his keynote at EPARTRADE’s 5th Annual Race Industry Week. Key highlights:Record attendance, full grids, and a growing fan base in 2024New GTP and GT3 entries, including the Aston Martin Valkyrie and...

As we stand on the precipice of the 2025 IMSA WeatherTech SportsCar Championship season, it’s impossible not to feel a palpable sense of momentum. The buzz surrounding America’s premier sports car racing series isn’t just about the amazing array of beautiful and exotic GTP and GT cars, or the great...