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Photo Credit: Ken Stouffer

2016 NASA 25 Hours of Thunderhill presented by Hawk Performance Race Details

Event Website    Entry List    Event Schedule    Media Guide

Supplementary Regulations

Event Name: NASA 25 Hours of Thunderhill presented by Hawk Performance

Location: Thunderhill Raceway Park (Three Mile Course with Bypass) – Willows, CA, USA

Duration: 25 Hours

The NASA 25 Hours of Thunderhill presented by Hawk Performance is one of the most well-recognized events in amateur endurance racing. While also being the longest closed-circuit race in the United States, it plays host to some of the most diverse machinery in any race worldwide. Two unlimited classes for closed-top and sports racer cars highlight the event with professional entries, while four production classes fill out the nearly sixty car grid. 2016 is the 13th running of the NASA 25 Hours of Thunderhill. For the sixth straight year, Endurance Radio will play host to exclusively live coverage of the event, with over 27 hours of commentary over the course of the weekend.


Live from Thunderhill

For the sixth straight season, Endurance Radio will be the exclusively live commentary team for the NASA 25 Hours of Thunderhill. Our normal team will be back in full force for live coverage, including 27+ hours of live coverage from the booth, continual updates from the pitlane and paddock, as well as a full social media presence with live tweets during the race and impressions on Facebook and Instagram.

Qualifying:

Race: 


#nasa25hour


57 teams currently registered for the 2017 Race. Team list to be posted soon. ... See MoreSee Less

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The longest Closed Course road race in America ... See MoreSee Less

2017 USAF 25Hrs of Thunderhill presented by Hawk Performance

December 1, 2017, 12:00pm - December 3, 2017, 6:00pm

The longest Closed Course road race in America

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Registration will open on Wednesday July 19th, 2017 @ 7am PST. Check back here for the link. ... See MoreSee Less

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