Greg Anderson won the K&N Horsepower Challenge for the second straight year and fourth time in nine appearances, beating Mike Edwards on Saturday in the final of the Pro Stock bonus event at the Summit Racing Equipment NHRA Nationals. Anderson had a 6.587-second run at 209.17 mph in his Pontiac GXP to take the $50,000 prize. Robert Hight, Del Worsham, Erica Enders and Hector Arana Jr. raced to the No. 1 qualifying spots in their divisions in the regular NHRA Full Throttle competition. Read more: http://sports.espn.go.com/rpm/racing/nhra/news/story?id=6704581
