These guys workout a ton and eat a ton to get where they are.  This guy is basically a normal sumo wrestler that doesn't do the eating part.  They have crazy short life expectancy though. Its interesting to see that the long time reigning champs are NOT the super fat guys, but the more regular fat guys that have just enough mass to push people around and still be quick.  Like a lineman weight. Sumo Weight Classes:  Lightweight 85 kg (187 lb) Middleweight up to 115 kg (254 lb) Heavyweight over 115 kg (254 lb)