Lead at Superweek up in the air with three to go

Sterling Magnell (Rock Racing) hopes to get the lead back from Aussie Jonathan Cantwell (Jittery Joe's)

Sterling Magnell (Rock Racing) hopes to get the lead back from Aussie Jonathan Cantwell (Jittery Joe's) (Image credit: Mark Zalewski)

By Mark Zalewski, North American Editor in Milwaukee, Wisconsin