sentences:  Free skating, also called the free skate or long program, is the second segment in single skating, pair skating, and synchronized skating in international competitions, including all ISU championships, the Olympic Winter Games, the Winter Youth Games, qualifying competitions for the Olympic Winter Games, and ISU Grand Prix events for both junior and senior-level skaters (including the finals).Its duration, across all disciplines, is four minutes for senior skaters and teams, and three-and-one-half minutes for junior skaters.American skater Nathan Chen holds the highest single men's free skating program score of 216.02, which he earned at the 2019 World Championships.