November 1992
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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