Ride 10, 28, or 50 miles on paved roads by lakes and rivers, through miles of seeing the changing of the leaves, or take a shorter out-and-back ride on Mercer’s new paved bike trail. Registration includes a T-shirt, goodie bag, snacks, and Chamber bucks. Contact: Mercer Area Chamber of Commerce, 715-476-2389 or www.mercerbybike.com