Having attended both F1 and IMSA races, I found some distinct differences, and you might be surprised at what I discovered.

Unusual shows of passion, non-traditional viewing platforms added up to a winning Rolex 24 for the glass offices at IMSA.

It's also the only production-based car in IMSA GTP, the only car with a V-12 in either series, and the only car built by a major manufacturer without a hybrid system in either category.

Honda has made a big change to its IMSA program for 2025 which affects everything it does on and off the track, and could ...

Two Valkyrie Hypercars will compete in WEC, and one will compete in IMSA. Like the road car, the racer sports a 6.5-liter naturally-aspirated V12. This year’s 24 Hours of Le Mans is shaping up ...

In the North American-based IMSA SportsCar Championship, there will be a single blue #23 Aston Martin Valkyrie competing in their GTP category. IMSA champions Ross Gunn and Romain de Angelis will ...

The Iron Dames has retained Michelle Gatting, Rahel Frey and Sarah Bovy for the remaining four IMSA Endurance Cup races of the 2025 season. As having competed in the 2024 IMSA SportsCar Championship, ...

One of the fascinating storylines going into the 63rd Rolex 24 At Daytona examined just how different the 61-car grid looked ...

The Aston Martin Valkyrie first emerged as an electrically assisted 6.5 litre, naturally aspirated V12 hybrid mid-engined halo model that has been co-developed with Red Bull Advanced Technologies.

The draw is finished. Select Play to watch it back.