What started as a simple idea to have the longest endurance race in the U.S. has taken on a life of its own and, 15 years later, has blossomed into a significant U.S. racing event.The National Auto Sport Association's 25 Hours of Thunderhill presented by Hawk Performance has not only...

Robert Davis Racing (RDR) kicked off the Southern California NASA race season at Willow Springs International Raceway with a clean sweep. Starting with the Friday night St Patrick's Day three-hour endurance race, the #76 E2 class Mazda RX-8 won by a convincing margin over our friends at Honda. With Lee...

NASA's 25 Hours of Thunderhill ignited the soul of Robert Davis Racing, and tests the mettle of all those who participate. See the highlight video. Read full article on MazdaMotorsports.com

Robert Davis Racing (RDR) made its annual trip to Willows, Calif., last weekend for the annual 25 Hours of Thunderhill Presented by Hawk Brakes. The two time defending E2 class champion #34 Mazda RX-8, widely known as Kermit, was in top form, and looking for a three-peat. As in prior...

Mazda utilizes 25 Hour race as the ultimate final test for 2016 Global MX-5 Cup car. Mazda chose to debut four of the new 2016 Global MX-5 Cup cars in the always-brutal NASA 25 Hours of Thunderhill race, equal to 33 1/3 45-minute Battery Tender MX-5 Cup races, far in...

Mazda is streaming live video from the NASA 25 Hours of Thunderhill Presented by Hawk Performance. Robert Davis Racing is running four cars, including three Mazda6s in the second Dealers vs. Factory showdown. Video will be available from inside each car, along with a pit cam. When the cars aren’t...

Joshua Allan and Lee Papageorge have taken two different routes to NASA’s PTD class, both with positive results. Joshua Allan’s MX-5. Lee Papageorge’s RX-8.For any given destination there are multiple paths. Some are more scenic, some are more interesting and some are just, well, faster. Joshua Allan and Lee Papageorge...