Having attended both F1 and IMSA races, I found some distinct differences, and you might be surprised at what I discovered. F1 cars are built to go insanely fast and are incredibly nimble.

Courtesy of IMSA The International Motor Sports Association (IMSA) is having a moment. Buried for decades behind bigger and more-popular racing series, the Florida-based IMSA series is fighting ...

The IMSA WeatherTech SportsCar Championship features by far the highest level of technology in American motorsport. It’s therefore no surprise that a growing number of America’s leading technology ...

The first 60 minutes and last two hours will air on NBC. USA, IMSA.TV and YouTube will share the middle portions. After that, IMSA, NASCAR’s sports-car cousin, will hibernate for six weeks.

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 ...

Increased opportunities are part of the rising tide created by the convergence of hybrid prototype rules between IMSA and the World Endurance Championship. The demand for drivers is fueled in part ...

IMSA stripped Tower Motorsports of its LMP2 class victory at the Rolex 24 at Daytona because of a technical infraction. The win was awarded to runner-up United Autosports. United is co-owned by ...

Need a break? Play the USA TODAY Daily Crossword Puzzle. This weekend also features two IMSA VP Racing Challenge Series races. The 45-minute sprints will begin at 2 p.m. Saturday and 1:20 p.m. Sunday.

Both feature a similar base of regulations, with a few tweaks, and both can compete in either WEC or IMSA. Le Mans Daytona h (LMDh): LMDh regulations mandate that a chassis must be built by one of ...

That's sandbagging, for fans and competitors who think or even accuse teams or drivers of taking it was easy when IMSA officials are setting allowable power levels for the cars. Those power levels ...

Here are some before and after pictures of the company's wordmark and logo. Need a break? Play the USA TODAY Daily Crossword Puzzle. Here's a look at how the new wordmark and logo will appear on ...