USA Pro Challenge Riders Back In Mountains

WOODLAND PARK, Colo. (AP) — The USA Pro Challenge is back in the mountains.

Riders are racing from Woodland Park to Breckenridge on Friday over the highest point in the race — 11,500-foot Hoosier Pass.

Aspen's Tejay van Garderen still has the yellow jersey and a 20-second overall lead.

PHOTO GALLERY: USA Pro Challenge Stage 4

Italian racer Elia Viviani used a powerful surge near the finish to win Thursday's stage in Colorado Springs, beating out crowd favorite Jens Voigt.

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