Quote Originally Posted by Maciamo
Sports

Rather than listing all Western sports practised in Japan, I limited myself to those playing a major role in modern culture (e.g. those played in schools or in which the Japanese excel in international competitions).

Baseball
Football
Volleyball
Badminton
Tennis
Table Tennis
Marathon
Athletics
...
I'm no expert, but I think you left off swimming and Kendo which (to my knowledge) are both very popular in Japan and present in most schools!