The NASA 25 Hour

The class that debuted at the 2017 25 Hours of Thunderhill hasn’t yet attracted the kind of participation we like to see, but it...

If you enjoy hard-fought endurance racing, E1 was the class to watch at Thunderhill. It has been for a few years now, with E46...

It was mission accomplished for Entropy Racing EVSR, the first all-electric car to compete at the 25 Hours of Thunderhill. The team now can...

In sprint racing, the strategy is simple: Start as far forward as you can and improve your position from there until the checkered flag...

2016 marked the first time two Nissan Z cars, a 350 and a 370 were contesting for the E0 win at Thunderhill. Typically the...

Anyone who has raced in the 25 Hours of Thunderhill will tell you it’s a monumental undertaking — even if you’re only racing one...

One Motorsport has been a fixture at the 25 Hours of Thunderhill ever since Speed News has been covering it, since 2013. The team’s...

After 14 years of trying to win his class at 25 Hours of Thunderhill, Peter Hopelain of Technik Competition can finally raise the championship...

As the adage goes, if at first you don’t succeed, try, try again. And try, and try and try. Such is the case with...

Cars Started  77 Cars Finished 56 Racecars by Brand Mazda 16 BMW 13 Acura 4 Honda 4 Porsche 4 Audi 3 Lexus 3 Chevrolet 2 Ford 2 Radical 2 Wolf 2 Datsun 1 Eagle 1 Factory 5 1 Panoz 1 Namazu 1 Norma 1 Seat 1 Superlite 1   Lap count of overall winner           705 Mileage driven by overall winner 2,016 Total laps completed by all cars     25,928 Mileage...