After Jamis rider Daniel Jaramillo crashes in stage 4, questions are raised about the conduct of the WorldTour teams.
Robbie Squire of Hincapie Racing is third overall entering Friday's time trial, but he says the peloton hasn't been kind to him.
Casey B. Gibson captures the action at the fourth stage of the USA Pro Challenge, which took the peloton up the brutal Independence Pass.
The Pro Challenge GC changes hands again, but BMC keeps the overall lead as Rohan Dennis wins his first stage of the race.
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.