Again it's not a very useful to compare a (not purely athletic) competition in it's infancy a century ago with a sprint which people have been doing for thousan

Again it's not a very useful to compare a (not purely athletic) competition in it's infancy a century ago with a sprint which people have been doing for thousands of years. And again the analogy is poor because modern bodybuilders look radically different for multiple reasons that go beyond simply training, nutrition and knowledge.