The ride, which started Saturday in Portland, Ore., and is slated to end Friday in Milwaukee, follows a different route every year. Riders were welcomed Thursday by hundreds of supporters many waving miniature checkered flags or American flags at Manheim Minneapolis, located in Maple Grove. Walker said it was the first time since he been riding that the Twin Cities were one of their stops.. If you go back and chronologically look at the career that I had, albeit short,…