After 42 years of operation, local running store and Belmont University neighbor The Athlete’s House is approaching the finish line and is slated to close its doors in October. “It’s been a good run, but it’s time at 71 to find something else to do,” said owner and founder David Graeflin. “You have to change with the times, but we’re fortunate to have weathered 42 years.” Graeflin founded the store in 1973, five years before he set up shop in the historic, light blue brick bu