AHDRA Thunder In The Valley Nationals August 6, 2010 - August 8, 2010 Bristol Dragway provides an ideal backdrop for the Aug. 6-8 AHDRA Thunder in the Valley Nationals. Nothing matches the thrill of watching these two-wheel machines rocket through Thunder Valley with the sound of Harley-Davidson muscle echoing off the hillsides. The All Harley Drag Racing Association returns to Thunder Valley with some of the baddest Harley-Davidsons on the planet.  The Pro Categories feature insanely fast racing, including the thrilling Top Fuel Nitro-powered Harleys.  The Top Fuel bikes are among the fastest in the world, and are a crowd favorite as they blast down the famed quarter-mile in Thunder Valley at blistering speeds. With 16 classes of competition and tons of vendors, there is something for everyone at the Thunder in the Valley Nationals. For more race information, contact AHDRA at 336-924-2095 or visit www.ahdra.com.