The NASA 25 Hour

Experienced Teams Strengthening Driver Rosters and Honing Strategies The 15th running of the NASA 25 Hours of Thunderhill presented by Hawk Performance is attracting past...

By the time 8 p.m. Saturday night rolls around during the 25 Hours of Thunderhill, teams that avoided contact and mechanical issues have settled...

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...

As teams gear up for the start of Saturday’s 2023 25 Hours of Thunderhill Presented by Hawk Performance, Kleen Blast/Davids Race Products will be...

Team Toyo Tires Valkyrie Autosport driver Brian Lock provides a good luck at what traffic at the 25 Hours of Thunderhill can be like....

Every year, the first weekend of December, a magical event occurs in the sleepy northern California town of Willows. Large car haulers roll into...

JFC Racing has been bringing its Wolf chassis to Thunderhill for a couple of years now, and it’s usually one of the fastest ESR...

Overall Position Class Position Team Laps 1 ES/1 Flying Lizard Motorsports 690 2 ES/2 Quick Racing Products 655 3 ES/3 Prototype Development Group 631 4 ES/4 Stammer Inc./Bavarian Performa 626 5 ESR/1 Gryphon Racing 626 6 E0/1 El Diablo Motorsports 617 7 E1/1 Grip Racing 0 615 8 E0/2 Edge "Last Minute" Motorworks 607 9 E1/2 Grip Racing 95 607 10 E0/3 RoadShagger Racing 1 603 11 E1/3 THRW/Honda Racing...

Closing in on the last few hours of NASA’s 25 Hours of Thunderhill presented by Hawk Performance, the leaderboard is tightening as teams race...

The leaderboard was holding steady Saturday night with Crowdstrike by Riley continuing to widen its lead at the 25 Hours of Thunderhill presented by...