Sapporo Sport is a term used to describe the various sports and activities that take place in Sapporo, Japan. One of the most popular sports in Sapporo is SUMO, which is a form of wrestling where two opponents attempt to force each other out of a circular ring. SUMO is an ancient Japanese martial art that has been practiced since the Edo period. It is considered a national sport in Japan and is very popular in Sapporo.