The BMC rider wins stage 4 in Breckenridge, snatching the leader's jersey from teammate Brent Bookwalter (left) ahead of Friday's TT.
Rohan Dennis rides to victory in stage 4, takes overall lead from teammate Brent Bookwalter on eve of race's decisive time trial.
Highlights from stage 3 at the USA Pro Challenge, won by American Kiel Reijnen in a sprint finish.
The USA Pro Challenge peloton tackled more than 7,000 feet of elevation gain during stage 3, which ended with a thrilling sprint in Aspen.
Kiel Reijnen claims victory in Aspen as Brent Bookwalter retains his overall race lead.
After being dropped on Independence Pass, UnitedHealthcare's Kiel Reijnen claws his way back to lead group and wins Pro Challenge stage 3.
Brent Bookwalter and Rohan Dennis are first and second on GC at the USA Pro Challenge, and it's not entirely clear who the leader is.
Photos from stage 2 at the USA Pro Challenge, which saw BMC Racing control the peloton and then Brent Bookwalter surge ahead for the win.
Brent Bookwalter of BMC Racing earns his first win since 2013 and seizes the yellow jersey from teammate Taylor Phinney.
Highlights from the second stage of the USA Pro Challenge, which saw American Brent Bookwalter triumph on Arapahoe Basin.