33 MILES TO ALPINE: — The wind and vehicle traffic will be the biggest obstacle riding northward through Star Valley on US-89. This leg is mostly flat with nothing over one to two percent up or down. Pray for a tailwind (it’s usually a crosswind) and watch out for the brutal rumble strips that border the white line.

ELEVATION: Start at 6,231 / End at 5,657

DISTANCE: 33 miles

Afton to Alpine (Leg 4):

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