Looks or Training Volume? Which is more important for ultra runners?

What matters more to performance in ultrarunners? Training or anthropometric parameters? The results from this research were published recently, combined with interesting facts on running performance such as: Skin-fold thickness is positively associated with performances over 1,500m -10,000m and marathons Length of upper leg is a positive associations with running times over 800,1500 and 5000m...Read more