The heaviest living athlete in the world is Sumo wrestler Emmanuel ‘Manny’ Yarborough, of Rahway, New Jersey, USA. He stands 2m 3cm 6ft 8in tall and weighs a colossal 319.3kg 704lb. He was introduced to Sumo by his judo coach and seven years later, he is ranked number one in the Open Sumo Wrestling Category for Amateurs.