The largest bicycle race in North America is the Amgen Tour of California, and this year, stage four began in Sonora, Ca. Around 120 riders from all over the planet began a 130-mile stage on a brutal route.
The Amgen Tour of California bicycle race, stage four city, Sonora, Ca. held the first of several meetings to announce the route of the fourth stage. Contenders only need apply, pretenders will be hurt by this.