1, short track speed skating
Tactically ever-changing, flying like the wind, better than one thousandth of a second. 1922 Winter Olympics is listed as an official event. The inner perimeter of the runway11.12m, the straight line length is 28.85m, and the minimum radius of the curve is 8m. Generally, it takes three or four rounds, and the relay race is divided into two rounds: semi-final and final. The short distance and relay are in groups of 4 people, and the long distance is in groups of 6 people. The relay race is usually replaced by one or two laps per person, and the replacement is carried out by pushing on the straight. The venue of this competition is the Capital Gymnasium, including men's events, women's events and mixed events.
2. Speed skating
Speed skating is the oldest skating sport in history, referred to as speed skating. In the individual competition, two players in each group draw lots inside and outside, and both sides have to switch tracks every time they slide. Team chase, two teams in each group, three people in each team, and start from the opposite straight at the same time. China has built the National Speed Skating Hall-"Ice Belt" for this Winter Olympics, which contains the largest ice surface in Asia, and the track has a circumference of 400 meters.