Annual USA Gymnastics men's winter National Championships. Performances at the 2013 Winter Cup Challenge will help determine the 15 men who will comprise the U.S. Men’s Senior National Team through the 2013 U.S. Gymnastics Championships in Hartford, Conn., Aug. 15-18.The eight members of the 2012 U.S. Olympic squad retain their spots on the national team. The remaining seven spots will be determined based on the following criteria: the top two ranked all-around athletes who are not already on the senior national team; two based on the National Team Points System; two athletes selected by the Men’s Program Committee; and one selected by the national team coordinator.