November 1992
Mark Switala of Milford, Michigan, descends a particularly rocky section near the 20-mile mark of the Superior Trail 100. Switala finished 31st in a little over 32 hours. Photo: Tim Holmquist
Mark Switala of Milford, Michigan, descends a particularly rocky section near the 20-mile mark of the Superior Trail 100. Switala finished 31st in a little over 32 hours. Photo: Tim Holmquist