Chris Daily, 58, of Farmingdale and Florida, won Mike Bahel’s Serpent’s Back Duathlon (2.3-mile run, 11.5-mile bike, and 2.3-mile run) in Montauk’s Hither Hills Sunday, in 1 hour and 34 minutes, bettering a longtime rival, Joe Amato, a Pierson High School cross-country coach, by a little less than six minutes.