Amgen Tour Of California Begins Friday, May 8, 2015 | Sacramento, CA Listen / download audio Update RequiredTo play audio, update browser or Flash plugin. Rodrigo Pena / AP The Amgen Tour of California rolls into Northern California this weekend. The women start their four-stage race in South Lake Tahoe today. The men start their ride in Sacramento Sunday. Sports Journalist James Raia has been covering the Tour of California for many years and joins us to talk about this year’s race.