The 3 HiLo Rides 100 Mile4,200 ft elevation gain. 68% gravel, 27% rough blacktop, 8% pavement. View the route details here. Sign me Up! 70 Mile3,549 ft elevation gain. 50% gravel, 50% pavement.View the route details here.Sign me up! 22 Mile 650 ft elevation gain. 100% gravel.View route details here.Sign me up!