Genes and running vs. joy in running

“To what extent do the results of our efforts depend on hard work, and to what extent is everything influenced by what we were simply born as?" Somewhere in our genetic code are genes that, to some extent, determine to what extent our workouts accomplished by sweat will turn into success. There are fourteen of these genes, and it could be that we have them in a set of variants that will help in sports, or one with which we are rather more likely to be average.