The answer by most Japanese would be "No, there is only one race in Japan." And if one thinks about it that is technically a valid answer. But then one only has to watch TV Osaka's long-running きらきらアフロ2011 or "Glistening Afro" television show and you may see some 'comic' scenes like this:
See Rarge Size
See also: Japanese Engrish Teacher Teaches Engrish