Tour of California 2017 route guide May 08, 2017 Stage-by-stage guide to the men's Amgen Tour of California in the USA, from May 14-20Stage-by-stage guide to the men's Amgen Tour of California in the USA, from May 14-20. Tags: Racing Tour of California WorldTour Share 0 Share on Facebook Tweet Tweet on Twitter +1 +1 on Google Plus