# Event Details

- **Event Name**: The NASA 25 Hour of Ozarks, (formerly the 25 Hours of Thunderhill)
- **Event Start and End Date**: Thu, 13 Nov, 2025 at 07:00 am – Sun, 16 Nov, 2025 at 01:00 pm
- **Event Description**: Welcome to the NASA 25 Hours of Ozarks. Hit Going or Interested to follow this event.
The Longest and one of the most famous Endurance Races in the Country.
Formerly the Iconic 25 Hours of Thunderhill
Welcome to History in the Making!  Be a part of this race.

The legendary 25-hour endurance race that captured the spirit of racers for decades at Thunderhill is reborn at
Ozarks International Raceway. This is where long run endurance meets the most advanced tech in racing.
This is your chance to be part of the longest, most grueling, most iconic endurance race in North America.

Challenge your team. Test your machine. Push yourself beyond the limits. Build better drivers. Become a better team.

Event Details
Event: NASA 25 Hours of Ozarks
Date: November 13-16
Pro Pass Holders Early Entry 2pm, Nov 12
Load in 5pm, Nov 12
Location: Ozarks International Raceway, Gravois Mills, MO
Classes: Multi-Class. 5 classes 
HYC (Hypercar) 
PLE (Prototype Lite Endurance)
GTE (Grand Touring Endurance)
STE (Super Touring Endurance)
TCE (Touring Car Endurance)
Single Class Qualifying
Entry Cap: 62 Teams
? 
What’s New?
New venue with dynamic natural terrain.
Fresh challenges and strategy with the unique Ozarks circuit.
Sector Timing. You'll know where your team is fastest and slowest. Compared with all other teams.
Day and Night Practice - Thursday, Nov. 13.
Test and Tune - Friday, AM Nov 14.
Speed Delta's set and managed. Overall lap times 2:50 or better.
Single Class Qualifying, Best Time
My Laps in car virtual flags join the best corner flaggers in racing. GPS satellite location monitoring shows exactly where you are every second.
Livestream for the full 25 Hour, roving announcers, guest speakers. Your team and Sponsors highlighted.
WhatsApp team communication from tower to team.
Yellow Flag Pit Stops
Team/Sponsor Suites Available

? 
Register Your Team Now:  DriveNASA.com, Choose, MidAmerica Region.   https://members.drivenasa.com/events/5157  Get all the info you need at NASA25Hour.com

Questions? 

We'd like to hear from you.

Donna or Randy Lane

25hr@drivenasa.com

❤️??
- **Event URL**: https://allevents.in/gravois-mills/the-nasa-25-hour-of-ozarks-formerly-the-25-hours-of-thunderhill/200028650243147
- **Event Categories**: workshops, sports, contests, virtual
- **Interested Audience**: 
  - total_interested_count: 1115

## Ticket Details


## Event venue details

- **city**: Gravois Mills
- **state**: MO
- **country**: United States
- **location**: Ozarks International Raceway
- **lat**: 38.26779
- **long**: -92.89249
- **full address**: Ozarks International Raceway, 29211 MO-135, Gravois Mills, MO 65037-5312, United States

## Event gallery

- **Alt text**: The NASA 25 Hour of Ozarks, (formerly the 25 Hours of Thunderhill)
  - **Image URL**: https://cdn-az.allevents.in/events2/banners/5f8c9abeeeed31e17e8cc9730cfbc7448df562c333cb6061472a834266c180c2-rimg-w1200-h675-dc07192d-gmir?v=1761250164

## FAQs

- **Q**: When and where is The NASA 25 Hour of Ozarks, (formerly the 25 Hours of Thunderhill) being held?
  - **A:** The NASA 25 Hour of Ozarks, (formerly the 25 Hours of Thunderhill) takes place on Thu, 13 Nov, 2025 at 07:00 am to Sun, 16 Nov, 2025 at 01:00 pm at Ozarks International Raceway, 29211 MO-135, Gravois Mills, MO 65037-5312, United States.
- **Q**: Who is organizing The NASA 25 Hour of Ozarks, (formerly the 25 Hours of Thunderhill)?
  - **A:** The NASA 25 Hour of Ozarks, (formerly the 25 Hours of Thunderhill) is organized by NASA MidAmerica.
- **Q**: Who is this event for? Is it right for me?
  - **A:** The NASA 25 Hour of Ozarks, (formerly the 25 Hours of Thunderhill) is ideal for party-goers, social butterflies, and anyone looking for a great night out with music, drinks, and good vibes. Whether you're a first-time attendee or a longtime enthusiast in Gravois Mills, this event is thoughtfully curated to deliver a standout experience worth every moment. With 1,100+ people already showing interest, this is clearly an event worth adding to your calendar - don't miss out.

## Structured Data (JSON-LD)

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