Everything You Wanted to Know About The 25 Hours Of Thunderhill Presented By Hawk Performance
The NASA 25 Hours of Thunderhill is the longest closed-course endurance race in North America. Begun in 1998 as the Timex 12 Hours of Thunderhill, the race expanded to 25 hours in 2003, and has since evolved to become known as one of the most grueling endurance races in the nation, attracting amateur and professional sports car drivers from around the world. From the challenging track and the winter weather to the speed differentials among all the cars involved, nothing about the 25 Hours of Thunderhill is easy. Almost anyone can enter, but if you want to win, you had better bring your best. This year, the NASA 25 Hours of Thunderhill will be held on December 2nd – 4th, 2022. Registration will open midsummer.
25 Hours Of Thunderhill Resources
Questions and Answers to Feed Your Curiosity
The 25 Hours of Thunderhill is almost always held the first weekend in December at Thunderhill Raceway Park in Willows, Calif.
If there are no weather delays, the race begins at 11 a.m. Saturday and ends at noon Sunday
You can, but it is not recommended.
Most teams have settled on a range of three to six drivers to run the event.
Yes, but rookies may only drive during daylight hours, so if you want to run the whole race, you must have drivers with regular competition licenses to handle night duties.
Yes. The 25 Hours of Thunderhill requires a team effort, and that means a full crew, professional or volunteer. You’re going to need people to do everything from fueling, servicing and repairing the car to forming race strategy and keeping everyone rested and fed.
Everything from the Mazda Miata and BMW 3-series cars compete alongside quarter-million-dollar prototypes. You can run what you brung or bring as much car as you want. There is a class for every vehicle except for open-wheel cars.
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