Christopher Quin parks his bike in front of Prairie Welding and Repair as owner Ray Sherman looks on. Sherman has been fixing Rockham-area cars and machinery since 1946. "It was a big town when I came," he says. Rockham now tallies a population of 48. At 83, Sherman is a gold medal winner in the 5,000- and 15,000-meter racewallking events at the National Senior Olympics.