Hike the Mammoth Challenge this October

Hike the Mammoth Challenge this October WIS. DEPT. OF NATURAL RESOURCES This October, our friends at the Ice Age Trail Alliance invite you to take the Mammoth Hike Challenge. Hike, run, walk or backpack 43 miles on the Ice Age Trail and visit three Trail Communities to earn a limited-edition patch and certificate. Unsure about hiking all 43 miles? Gaining bonus miles is an option, with