NEW YORK CITY-University of Maine-Farmington junior Adam Stair finished sixth in the 21st Century USATV National Mens’ One-Mile racewalk championship Friday with a time of 6:54.93. The Farmington native is returning to competition after a prolonged medical hiatus and is hoping to be back in championship form within the next year. Two-time Olympian and New York native Tim Seaman won the event with a record time of 6:00.76.