NASA 25 Hours of Thunderhill Reinvented and Reinvigorated for 2023

There are a lot of new developments happening with the 2023 25 Hours of Thunderhill, the longest closed-course endurance race in North America. NASA announced last year that the event was moving to Nov. 10-12, 2023, which gets the event out of the middle of the holiday season and right at the end of the customary racing season, a move designed to boost appeal and attendance.

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