June 13, 2017

Jeff Crumbaugh of Great Lakes Endurance on his eco-friendly trail races in northern Michigan, the U.P. & Wisconsin

Jeff Crumbaugh, longtime runner, race director and founder of race management company Great Lakes Endurance, is known for his commitment […]

Back to Top

Love exploring and staying active in Michigan as much as we do?
Join the MRG community — everyone is welcome! Sign up for our newsletter that’s packed with great ideas for getting outside and enjoying the Mitten! You’ll be the first to hear about the latest MRG news, events + happenings. (We promise we won’t overwhelm your inbox!)