Darren Hagen continues to lead the 2007 Lucas Oil USAC National Sprint Car standings after finishing sixth in Saturday’s “Casey’s General Stores USAC Triple Crown” race at Iowa Speedway in Newton, Iowa. He takes a 20-point lead over Kevin Swindell into the 37th “Tony Hulman Classic” at the Terre Haute (Ind. ) Action Track May 19.
Tyler Walker of Los Angeles, Calif. drove a Kasey Kahne-owned car to victory at Iowa, leading the final 17 laps after passing Hagen on lap nine in his Mopar/Open Joist Beast/Mopar. Marc Jessup took second ahead of Dave Steele, Swindell and Bobby East.

|
|