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Karen WIlliams is paced by her friend Anne WIlliams near the 2,500-foot summit of Resurrection Pass in the Kenai Mountains, about 30 miles into the Resurrection Pass Trail 100-Miler ultramarathon foot race in August 2004. The course requires runners to climb - and descend - about a mile of vertical elevation through the Chugach National Forest between Cooper Landing and Hope, Alaska.