The American got himself into the breakaway in both Wednesday's and Thursday's stages during the final week of the race.
Thursday's stage 18 contains five climbs and could potentially shake up the GC standings.
The Colorado Classic names a preliminary roster of men's teams, including BMC Racing, Cannondale-Drapac, and Trek-Segafredo.
After an embarrassing Giro d'Italia queen stage, Tom Dumoulin knows he'll have a fight to keep the overall race lead in the mountains.
Pierre Rolland rides to victory in Giro d'Italia stage 17. After a dismal 2016 season, the win comes as sweet payback for the Frenchman.
A strong time trial rider who is developing his climbing talents, Bob Jungels grows into his role as a grand tour hopeful.
Stage 17: Rolland gives breakaway the slip
Sky's Mikel Landa lost Tuesday's stage 16 by fractions of a wheel to Vincenzo Nibali.
Tom Dumoulin hopes that Tuesday's emergency bathroom break, which lost him time in the Giro, isn't a sign of more serious illness.
A second maglia rosa suddenly looks much more realistic for Nairo Quintana than it did Tuesday morning.